Frequently Asked Questions (FAQ)
Do you have a question about the Dlubal programs? The FAQ page provides answers to frequently asked questions and commonly encountered problems. The solution is only a few clicks away! No need to wait with immediate access to hundreds of FAQ. The category filters and keyword search help you to quickly find the relevant question and answer.
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Option – Independent FE Mesh Preferred
What is the effect of the "Independent FE Mesh Ppreferred" option in the mesh settings?
Plastic Hinges
How do I define a plastic hinge in RFEM 6?
Importing Surfaces from Rhino into RFEM 6
Why are not all surfaces transferred when importing surfaces from Rhino into RFEM 6?
Interface RFEM 6 / RSTAB 9 – IDEA StatiCa
How can I exchange data between RFEM 6 / RSTAB 9 and IDEA StatiCa?
Inactive Object Intensity
How can I adjust the brightness of inactive objects?
Advantages of CFD Simulation
What are the advantages of CFD simulation compared to conventional experimental tests?
Add-ons for Concrete Structures
Which products do you recommend for the structural analysis and design of reinforced concrete structures?
Add-ons for Steel Structures
I process steel structures. Which products do you recommend for this area?
Direct vs. Iterative Solver
The calculation in RFEM 6 takes a very long time, but the processor utilization of my system is low. Why is this?
State of Development of Beam Panel
What is the current state of development of the "beam panel" element for modeling timber frame walls?
Not Valid/Deactivated Punching Nodes
In the table of the objects to be designed in the Concrete Design add-on, punching nodes are listed in the not valid/deactivated column, although I have defined them as punching nodes. How can I fix this?
Area Loads on Members via Cells
How can I generate an area load on members via cells in RFEM 6 or RSTAB 9?
Changing Mia's Shortcut
The keyboard shortcut of the AI assistant Mia conflicts with another shortcut that I use in the system. How can I change the Mia shortcut?
Setting of I-Beam Flange Support for Design in Structure Stability Add-on
In the Steel Design add-on, I have set the boundary conditions in such a way that the I-beam flange is restrained against the horizontal displacement. I then calculated the critical load factors using the Structure Stability add-on, but with no effect on the critical load factor value. What is the reason for this?
Download Student Version
I have installed a trial version of RFEM 6 on my computer and now I want to use the student version. Where can I download the student license?
Remote Desktop and OpenGL
I would like to access another computer via Remote Desktop and run RFEM 6 there. However, RFEM crashes directly after the registration. How can I solve this problem?
Inactive Objects in Visibilities
How can I only display objects that are selected as a "visibility"? The inactive objects are displayed transparently. However, I want to hide them completely.
Graphic Templates for Printing Reinforcement Layout
How can I use graphic templates for multi printing of a reinforcement?
Load Transfer Surfaces
The loads from the load transfer surfaces are not displayed. Where are they?
Saving Toolbars
I have customized my toolbars. How can I save these settings to use them on another computer?
Design Cases
Can I use design cases in RFEM 6 in the same way as in RFEM 5?
Where can I find my customer number in RFEM or RSTAB?
Where can I find my customer number in RFEM or RSTAB?
Error Message when Accessing Template in Revit or Rhino/Grasshopper
I use a template for the data exchange with Revit or Rhino/Grasshopper, and get an error message.
3D View Home Button
Is there a way to reset the 3D view to the original perspective if I have adjusted it using the 3D cube?
Activating Steel Fiber Concrete Design in "Concrete Design" Add-on
How can I activate the design with steel fiber-reinforced concrete in the "Concrete Design" add-on for RFEM 6?
How can I define temporary supports for a form-finding process in RFEM& 6?
How can I define temporary supports for a form-finding process in RFEM& 6?
Imperfection Case
There is no "Imperfection" action category. How can I create an imperfection load case?
Design properties
Where can I specify various properties for the design (for example, effective lengths)?
Unit Stresses
Can I estimate which minimum cross-sections I should use before starting to design my model?
User-Defined Material
How can I create and edit a user-defined material from an existing material?
Member Nonlinearity
Is it possible to define member nonlinearities for beam members?
For example, can I define a member that absorbs all internal forces, except for the compressive axial forces?
Pipe as Shear Key in RF-/JOINTS Steel – Column Base Add-on Module
How do I define a pipe as a shear key in RF‑/JOINTS Steel – Column Base add-on module?
Are the solids with a common surface automatically connected rigidly to each other?
Are the solids with a common surface automatically connected rigidly to each other?
Exporting Parametric Cross-Sections from Grasshopper
I get an error when entering the name of a parametric section (for example, R_M1 500/1000) in Grasshopper.
Is it possible to avoid the login when starting the programs RFEM 6 and RSTAB 9?
Is it possible to avoid the login when starting the programs RFEM 6 and RSTAB 9?
RWIND Calculation Error E315
When performing high-quality transient simulations with a high number of mesh cells, I get this error: "Calculation failed! RWindSolverTransient failed, E315." After that, RWIND stops without results. What can I do?
Incorrect Material or Cross-Section Conversion in Revit or Tekla
I get an incorrect conversion in Tekla/Revit when using regular expressions in the conversion table.
Steady-State or Transient Simulation for Parapet in RWIND
What is the most accurate CFD method for the wind simulation of parapets?
Effective Section
Can I calculate the effective section properties of a cross-section using RSECTION?
- 005450
- RFEM 6
- RSTAB 9
-
- Steel Design for RFEM 6
- Steel Design for RSTAB 9
- Aluminum Design for RFEM 6
- Aluminum Design for RSTAB 9
- Form-Finding for RFEM 6
- Steel Structures
- Aluminum and Lightweight Structures
- Temporary Structures
- Tensile Membrane Structures
- Structural Analysis & Design
- Form-Finding and Cutting Patterns
- Dynamic and Seismic Analysis
- Eurocode 3
- Eurocode 9
- ANSI/AISC 360
- ADM
Temporary Structures
I would like to analyze temporary structures. Which programs do you recommend?
Viewer Mode
I would like to send my model to a partner. How can I use the program as a "viewer" to view the model?
Power Plants and Conveyor Structures
Which programs can I use to design power plants and conveyor structures?
Scaffolding and Rack Structures
We are looking for a program for scaffolding and rack structures. Is Dlubal Software suitable for this?
Tensile Membrane Structures
Which Dlubal programs do I need for tensile membrane structures?
Aluminum and Lightweight Structures
I would like to design an aluminum structure. Is it possible to use RFEM or RSTAB for this?
Cable and Tensile Structures
I would like to analyze cable and tensile structures. Is it possible to use RFEM or RSTAB for this?
Programs for Laminate and CLT Structures
Which programs do I need for laminate and sandwich structures, or cross-laminated timber (CLT)?
Programs for Timber Structures
Which Dlubal Software programs can I use to calculate and design timber structures?
Fast Support via Mia Chatbot
Where can I find the support chat for quick assistance on the Dlubal website?
Design of Hydraulic Steel Structures
Can I analyze and design hydraulic steel structures with the Dlubal programs?
- 005437
- RFEM 6
- RSTAB 9
-
- Steel Design for RFEM 6
- Steel Design for RSTAB 9
- Steel Joints for RFEM 6
- Torsional Warping (7 DOF) for RFEM 6
- Torsional Warping (7 DOF) for RSTAB 9
- Steel Structures
- Structural Analysis & Design
- Stress Analysis
- Stability Analysis
- Warping Torsion Analysis
- Steel Connections
- Cold-Formed Sections
- Eurocode 3
- ANSI/AISC 360
- CSA S16
- IS 800
- GB 50017
- SP 63.13330
- BS 5950-1
- AS 4100
- SIA 263
Programs for Steel Structures
Which programs and add-ons are suitable for the structural analysis and design of steel structures?
Programs for Concrete Structures
Which programs and add-ons are suitable for concrete structures?
Member Internal Forces – Units of Strain – RFEM 6
What does the unit symbol for axial and shear strain represent in RFEM 6?
Surface Result Points
How can I set user-defined points for result values on surfaces in RFEM 6?
The applied free additional reinforcement is not considered in the punching shear design.
The applied free additional reinforcement (free rectangle, free circular, or free polygon) is not considered in the punching shear design or calculation.
Isotropic Load Transfer Surface
How does the "Isotropic-FEA" load transfer surface work?
Dlubal Material and Section Names for Conversion in Revit, Tekla, Grasshopper
Where can I find the complete Dlubal material and section denotation? I need it for the conversion when exchanging data with other programs.
AISC 341 Limit State Types
Which Limit State Types are applicable for the AISC 341 seismic design?
Colored Scale of Tables and Report
Is it possible to hide the color scale in blue/red in tables and in a printout report?
Numbering of Nodes with Supports
How can I quickly isolate the nodes that are used as nodal supports in order to display their numbers?
Area Load on Open Structures
How can I apply area loads to an open structure in RFEM 6?
Data Exchange Between RFEM 5 / RSTAB 8 and Tekla Structures 2023
How can I exchange data between RFEM 5 / RSTAB 8 and Tekla Structures 2023?
Virus Warning
I get a warning that a file created with RFEM, RSTAB, or RSECTION contains a virus or a Trojan horse. What should I do?
Cloud Calculation - SSL Handshake Failed
When trying to start a cloud calculation, I get the error message SSL handshake failed. What should I do?
Excluding COs from Design
How do I exclude specific load combinations (COs) in the design add-on?
CSA S16 Class 4 Sections
Can I design members with Class 4 sections according to CSA S16 in the Steel Design add-on?
Is it possible to display the wind simulation results, calculated in RWIND, in RFEM?
Is it possible to display the results, calculated in RWIND, in RFEM?
How can I create a model template in RFEM 6?
How can I create a model template in RFEM 6?
How can I enable model add-ons when using WebService?
How can I enable model add-ons when using WebService?
How can I create a new model with add-ons enabled?
How can I model a corrugated web beam in RFEM 6?
How can I model a corrugated web beam in RFEM 6?
How can I use a template when exporting data from Rhino Grasshopper to RFEM 6?
How can I use a template when exporting data from Rhino Grasshopper to RFEM 6?
How can I create a new model with add-ons enabled?
How can I create a contact solid between two surfaces in RFEM?
How can I create a contact solid between two surfaces in RFEM?
How can I connect surfaces to other surfaces or members in a hinged/semi-rigid way in RFEM 6?
How can I connect surfaces to other surfaces or members in a hinged/semi-rigid way?
What are Line Hinges and Line Releases?
Adding New Load Case to Automatically Generated Combination
I design pipelines using the RF-PIPING Design add-on module. I have created a new prestress load case and loaded the piping with longitudinal displacement.
Is it possible to add this new load case to combinations that are generated automatically?
Surface Reinforcement in Rib Design
How do I consider the surface (slab) reinforcement in my rib member (T-beam) design?
Equivalent Round Section Dimension
How is the dimension for an equivalent round section calculated in the Timber Design add-on?
Online Training
I have registered for an online training session. Do I need a dongle?
Automatic Generation of Zones
Is it possible to automatically generate zones in RWIND 2?
Member Hinge Graphical Assignment
How can a member hinge be assigned to members graphically in RFEM 6 / RSTAB 9?
Coupling or Rigid Member Result Display
How can I display the internal forces of a coupling member or rigid member in RFEM 6 / RSTAB 9?
Warning on Corrupted Database
When opening a model file, I get the warning message saying that "dangling pointers have been fixed." What does this message mean?
Using Load Wizard "Import Support Reactions"
How do I use the "Import Support Reactions" load wizard?
Precamber
I have entered the Precamber load type into my model, but it doesn't seem to work. The results show no deformation.
Section Moduli About Axes y, z
How are the section moduli about the y- and z-axis calculated in RSECTION 1, SHAPE‑THIN, and SHAPE‑MASSIVE?
Blocks with JavaScript
How can I create and save a block using JavaScript?
Stability Analysis with Incrementally Increasing Loading
Can I incrementally increase the load in RFEM 6 or RSTAB 9?
Dlubal Software on Citrix Server
Is it possible to operate RFEM 6, RSTAB 9, and RSECTION 1 on a Citrix server?
PC Recognized as Virtual Machine
My Surface Book is recognized as a "Hyper V" virtual machine, so my local license does not work. What can I do?
Import RSECTION Cross-Section
How can I import my RSECTION cross-section into RFEM 6/RSTAB 9?
Bolt Holes in Thin-Walled Cross-Sections
How can I model bolt holes in thin-walled cross-sections?
Hardware and System Requirements
What are the minimum requirements for RFEM 6 and RSTAB 9?
Setting Deformations to 0
How can I set the deformations from an LC/CO or a construction stage to 0?
Connecting Elements
When are elements mutually connected in RSECTION 1? How can I connect the unconnected elements with each other?
Calculation Time in RFEM 6
How can I determine the calculation time in RFEM 6?
Instability when Using Building Model with "Rigid Diaphragm"
I have a 3D model and try to split it up into "walls" and "surfaces" with the Building Model and to calculate them separately. However, my structural system becomes unstable then. What can be the reason?
Curved Beam in RSTAB 9 with Block Manager
How can I enter a curved beam in RSTAB 9?
Drawing Vertical Line Support Results in XY Plane
For the result documentation, I would like to display the vertical line support results clearly in the top view. Which setting do I have to use for this?
Splice Connection
How do I create a splice connection in the Steel Joints add-on?
Question
How can I edit multiple models in one script using Python?
How can I use RFEM 6 / RSTAB 9 on an Apple Macintosh?
How can I use RFEM 6 / RSTAB 9 on an Apple Macintosh?
Graphics in Parallels Desktop
I am using RFEM 6 on an Apple Macintosh and I use Parallels Desktop for this. The axes are not displayed correctly in the graphics. How can I fix that?
Working Directory
Where can I find the working directory of RFEM 6, RSTAB 9, and RSECTION 1?
Moving Loads in RFEM 6 via Script
I would like to apply moving loads to members in my model, but I cannot find the RF‑MOVE add-on module. What can I do?
Standardized Sections for AISI Design
Which standardized sections are valid for AISI cold-formed steel design in RFEM 6?
Custom Sections for AISI Design
Can I design user-defined (parametric) sections according to AISI S100 or CSA S136?
AISI Table B4.1-1 Applicability Limits
Does RFEM check the applicability limits of AISI Table B4.1‑1?
Installation of Tekla Add-ins for RFEM 6
Is the Tekla add-in installed automatically in RFEM 6?
AISC 360-16 Shear Plane in Thread Option
Can I exclude bolt threads from the shear planes according to AISC 360-16 in the Steel Joints Add-on?
RFEM 6 / RSTAB 9 - IFC Export/Import
How can I export or import an IFC file in RFEM 6 / RSTAB 9?
Geotechnical Analysis and Load Cases
I want to consider the soil-structure interaction using one of the nonlinear soil material models. Why is it not reasonable to calculate the individual load cases with this model?
RFEM 6 / RSTAB 9 and Virtual Machines
Is RFEM 6 / RSTAB 9 able to run on a virtual machine?
Parametric Cross-Sections with Python
How can I create parametric cross-sections using Python?
Multilayer Composition with Python
How can I create a multilayer composition using the Python program?
Orthotropic Material with Python
How can I create an orthotropic material using the Python program?
Elastic Nodal Support with Python
How can I create an elastic nodal support using the Python program?
Reading out Nodal Deformation with Python
How can I read out the deformation at a certain node using the Python program?
Creating Nonlinear Line Hinge with Python
How can I create a nonlinear line hinge with the Python program?
User-Defined Parameters for Methods of Python High Level Library
I have to use custom parameters for the Python High Level Library methods for RFEM in my Python program. How can I determine the necessary parameters?
Where can I display or adjust the local axis systems in RFEM 6?
Where can I display or adjust the local axis systems in RFEM 6?
How can I define a scissor hinge in RFEM 6?
How can I define a scissor hinge in RFEM 6?
Using Feature "Transfer of Support Forces from Other Model"
How do I use the "Transfer of Support Forces from Other Model" feature?
Too Large Member Loads and Supports
The model loads, supports, and so on, are scaled extremely large even if I set the scaling to the minimum. How can I decrease the size?
ASD Strength Design in RFEM 6
How can I design my structure according to ASD strength design (such as AISC, ADM, NDS, and so on)?
Support Forces vs. Support Reactions
Why are the support reaction orientations shown graphically opposite of what I expect based on the table result output?
Definition of Rib Element in RFEM 6
How can I model a rib element in RFEM 6?
Hiding Surface Results via Gray Area
I want to hide my surface results for a certain range close to the zero value. How can I easily do this in RFEM 6?
Calculation Diagrams in RFEM 6 and RSTAB 9
How can I open calculation diagrams in RFEM 6 or RSTAB 9 after the calculation?
Selecting Dedicated GPU in Windows for RFEM 6 or RSTAB 9
How can I make sure RFEM 6 and RSTAB 9 are using the dedicated graphics card in my computer?
Sum of Drag Forces of Zones with ParaView and Excel
Is there an option to export the results of drag forces of all zones from RWIND in a table?
Optimize RFEM 6 and RSTAB 9 Models
What can I do to increase the performance when the model is very large?
Geo-Zone Tool – Cookies
The Geo-Zone Tool is not loading. What can I do?
Instability
My model is unstable. What could be the reason?
IFC Cross-Sections Not Converted Correctly
The cross-sections from my imported IFC file are not converted correctly.
Silent Installation RWIND
I am looking for a way to roll out RWIND using software deployment. Unfortunately, I cannot find an MSI file.
Importing Cross-Section from RSECTION 1
When importing a cross-section from RSECTION 1, I get an error message regarding the version. What can I do?
Automatic Load Combinations Not Generated
There are no automatic load combinations created. What can I do?
Unstable Model as of RFEM 5.27
My old model is suddenly unstable. What can be the reason?
Displaying Max/Min Information
The result of extreme values is not displayed. Where can I activate the max/min information?
Error 1327: Calculation Failed
I get Error 1327: Calculation failed. What can I do?
Error Message 7731 when Exporting RFEM Model to RWIND
When exporting my model from RFEM to RWIND, I get the message "Warning No. 7731 | Reading of logger file failed." What can I do to start the simulation in RWIND?
Line Supports | Stiffness via Fictitious Wall
I would like to determine and consider the stiffness of a line support using a fictitious wall. Why is this option grayed out?
RWIND 2 Basic vs. Pro
What is the difference between RWIND 2 Basic vs. Pro?
Load Transfer vs. Load Wizards
The load distribution on my members looks different when using the Load Transfer surface vs. the Load Wizards. What is the reason?
Different Nodal Mesh Refinement
How do the various options for the nodal mesh refinement differ?
Setting License
Where can I change my license?
Animation of Load Increase or Construction Process
How can I animate a load increase or a construction process?
How can I delete the connection to a project folder in the Dlubal Center?
How can I delete the connection to a project folder in the Dlubal Center?
Earthquake Data in Geo-Zone Tool According to DIN EN 1998
How does the Geo-zone tool determine the earthquake data according to DIN EN 1998‑1?
Surface Type Error
I received an error message “Surface of incompatible type... (Surface in upper plane of building story must be of ‘Load transfer’ type)” when running the calculation. What is the reason?
Exclude Lateral Torsional Buckling Check
My beam has a continuous lateral support and therefore lateral torsional buckling (LTB) is not a concern. How do I define the effective length?
Opening Printout Report in Another PDF Reader
Can I open the printout report in another PDF reader?
Line Hinges on Several Surfaces
How can I efficiently define line hinges on several surfaces?
Orthotropy Direction for Layers
Why cannot I define a rotation when defining layers?
Displaying / Adjusting Other Settings of Printout Report
Is it possible to adjust the layout (for example, the header) in the printout report in RFEM 6 / RSTAB 9?
AutoCAD Import into RFEM 6 with Cross Section and Material
How can I import my AutoCAD model into RFEM 6 and have the cross section and material information transfer over?
RFEM and RSTAB Not Starting with 3D Mouse
RFEM and RSTAB crash at the moment of starting the program. I work with a 3D mouse. Where is the problem?
Effects of Precision Setting
What effects does the precision setting have on the model?
Generated Seismic Load Combinations
My ASCE 7 generated seismic load combinations combine the X and Y directions in the same CO. How do I change this to independent directions only?
Overstrength Factors
How do I include the overstrength factor(s) Ωo in the ASCE 7 load combinations?
Exact Cross-Section Search
When using the search function of the cross-section library, a lot of similar cross-section series are displayed. How can I limit the search results to the exact cross-section description?
Creating User-Defined Fabric
How do I create a user-defined fabric?
ASCE 7 Reduced Live Load Factor
My live load is less than or equal to 100 psf. How do I consider the reduced load factor in the ASCE 7 load combinations?
Redundancy Factors
How do I include the redundancy factor(s) ρ in the ASCE 7 load combinations?
Activating and Deactivating "Drag and Drop"
How can I activate or deactivate the "Drag and Drop" function?
Auto Connect Lines/Members
When modeling, I use the "Auto connect lines/members" function. However, RFEM 6 always creates a connection node of the "on member" type. How do I proceed to automatically divide the members?
Limiting Value Scale to Positive Values
How can I limit the value scale in RFEM 6 and RSTAB 9 to only display the positive values?
ASCE 7 Seismic Load Combinations
I do not see the seismic load cases in my generated ASCE 7 load combinations (COs). How do I add them?
Cross-Section Parameter Modifications
How can I edit the parameters of an existing cross-section in the RFEM 6/RSTAB 9 library?
Load Increments and Nonlinear Materials
Is it possible to set load increments, save the results of each step, and view at which load increment the material is yielding?
Creating Response Spectrum ASCE 7-22
How can I create a response spectrum according to ASCE 7‑22?
Imperfection from Mode Shape
How do I create an imperfection based on a mode shape in RFEM 6?
Installation of Revit Add-in for RFEM 6
Is Revit Add-in installed automatically in RFEM 6?
Borrowing of Online Licenses
Is it possible to borrow an online license of RFEM 6/RSTAB 9 over an extended period of time?
Error Message Import Python
When trying to import an IFC File to RFEM, an error message appears. How can I solve the problem?
Result Diagram with Smooth Range in RFEM 6
How can I insert a smooth range / a smooth line in a result diagram of RFEM 6?
Nodal Supports with Nonlinearity "Partial Activity"
How can I create a nodal support with the "Partial Activity" nonlinearity via the COM interface?
Time Recording of License Sessions
I signed in with my Dlubal online license at 12:39 AM (Central European Summer Time). I would like to reserve the license for 24 hours. However, my account shows me that my session will end at 10:39 AM. What has caused this difference?
Wind Zone 2*
Where does the information about the port of Hamburg come from? How far do the boundaries of the port of Hamburg extend?
Strength of Weld-Affected Zone for Aluminum
How do I consider the strength of weld-affected zone for aluminum?
ASCE 7 Orthogonal Directional Combination Procedure
How do I apply the ASCE 7 Orthogonal Directional Combination procedure (100% + 30% rule) to my seismic load in a static analysis?
SLS Rotational Deformations of Crane Runway Girder
Is it possible in the CRANEWAY software to obtain the SLS rotational deformations of a continuous beam at the supports for an isostatic beam in the web plane?
Why does the eHORA map of Austria give different snow loads than your Geo-Zone tool?
Why does the eHORA map of Austria give different snow loads than your Geo-Zone tool?
Why does the load wizard "Member Load from Area Load" give unnecessary concentrated loads?
Why does the load wizard "Member Load from Area Load" give unnecessary concentrated loads?
MESA Software Renderer
I have display problems in RFEM 6, RSTAB 9, and RSECTION 1, or the program crashes immediately after starting it. What options do I have to improve this?
Font Size
How can I adjust font sizes in RFEM 6 and RSTAB 9 for a screen view and a printout report?
Various Wind Profiles by Wind Direction
How can I consider various wind profiles for various wind directions?
Welds in RFEM 6
In the case of stairs with a complicated geometry, it is often difficult to design welds by using the analytical methods. How can I do this with RFEM?
Weekly Release of New Versions
Why does Dlubal Software release new versions of RFEM 6, RSTAB 9, and RSECTION every week?
Printout Report Navigator
How can I show or hide the printout report navigator?
Importing Member Properties
How can I import properties of another member?
Case-Related Design with Different Load Situations
How can I carry out case-related design for different load situations?
Implausible Results – Torsional Warping
My results of the calculation with Torsional Warping are implausible. What could be the reason?
Displaying Purchased Products in Customer Account
Not all programs are displayed in our customer account on the website. I would also like to know where I can find the respective licenses.
How can I check the way RFEM 6 determines the required reinforcement?
How can I check the way RFEM 6 determines the required reinforcement?
Not Covered Reinforcement on Members | Concrete Design in RFEM 6 and RSTAB 9
Although all the member design checks have been fulfilled, I get the "Not Covered Reinforcement" result. What is the reason?
Installation: Error Message R6025
During the installation, I get error message R6025. What should I do?
Deleting Unassigned Loads
How can I delete all unassigned loads?
User-Defined Material
Can I also use a user-defined material in RF‑/PLATE‑BUCKLING?
Internal Forces by Cross-Section
How can I clearly print the internal forces in the printout report?
Change of Font Size for Design Formulas
Can I display the design formulas in the printout report in a slightly larger font?
Adjusting Lamellas for Glulam Sections in RFEM 6
How can I modify the lamella thickness for a glulam section in RFEM 6?
Opening RFEM 5 and RSTAB 8 Models in Previous Program Versions
Is it possible to open an RFEM 5 or RSTAB 8 file in a previous program version?
Display Properties as Template
How can I save my preferred settings as a template in the display properties?
Importing Support Reaction as Load
Is it possible to transfer "foundation loads" (support loads from hall columns, for example) to another RFEM model and combine them as new loads for the foundation slab?
Displaying MAX/MIN Info
The output of extreme values is not displayed. Where can I activate the MAX/MIN info?
Mode Shapes - Limiting Selection of Shapes
I need many mode shapes to achieve a sum of 90% effective modal mass. Can I limit the number of mode shapes for generating equivalent loads?
University License for RFEM 6 and RSTAB 9
What information is needed for a university license?
Calculating Selected Load Cases, Load Combinations, and Result Combinations
Can I calculate a selection of load cases, load combinations, and result combinations? In the case of complex models in particular, I do not always want to have all load cases calculated.
Displaying VEd in Surface Calculation
How can I display the result value for VEd in the results of a static analysis?
Block Manager
I downloaded RFEM 6, but I cannot find the "Generate Model - Members" option like we have in RFEM 5. Can you tell me where I can find this option?
Warping Release
How do I set a release for warping?
Online License Data Requirement
I am currently working abroad and sometimes I have to log in to the program using mobile data, which costs a lot. What is the data consumption of the RFEM operation?
Export/Import of Printout Report Templates
How can I import printout report templates from other computers?
Tangent to Circle
Is there an easy way to generate a tangent to a circle in RFEM 6?
Small Cohesion for Non-Cohesive Soils
What value can I use for cohesion in order to avoid singularities?
Uneven Terrain
The terrain surface of my soil to be analyzed is uneven. How can I edit the geometry of my soil massif for the modeling?
Activating Geotechnical Analysis Add-on
I have a license for the Geotechnical Analysis add-on and it appears as available to me. However, I cannot activate it. What could be the reason?
Warping Spring and Warping Restraint
How can I define a warping spring or a warping restraint?
Supports and Loads for Calculation with Warping Torsion
At which point on a cross-section are the supports and loads assumed for the calculation with warping torsion?
Rotated Surface Error
I would like to create a rotationally symmetric surface in RFEM 6. However, the rotated surface is not created. Why?
Backup File
Where can I find the backup file in RFEM 6?
Communication of RFEM 6 / RSTAB 9 / RSECTION 1 with Dlubal Extranet
When having RFEM 6 / RSTAB 9 / RSECTION 1 installed, does the application communicate or coexist with the systems/data? Do you store the data or do we receive the data from you?
RWIND 2 on MAC
Does RWIND 2 also work on a MAC?
Stress Ratio
The limit stress is activated, but my stress ratio is “non-designable” in the Stress-Strain Analysis add-on. What could be the reason?
Silent Installation
How can I distribute installations for RFEM 6 and RSTAB 9 via the network?
Deactivating 7th Degree of Freedom by Member
How can I deactivate the 7th degree of freedom for only certain members or cross-sections?
Cross-Section Warping
How can I display the cross-section warping?
Effective Lengths for Steel Stability Design
How do I define effective lengths when designing steel members in RFEM 6?
Construction Stages - Modifying Properties
Is it possible to change the properties of members or surfaces, such as their location, in the individual construction stages?
DXF Import Scale
I am trying to import a DXF file. The file can be imported into the model, but it does not have the correct scale. Where is the problem?
Generating Nodes at Intersections Without Dividing Lines in RFEM 6
Is there a way to generate nodes at intersections of lines without dividing the line in RFEM 6?
In RFEM 6, is it possible to display a graphic with the distribution of the required reinforcement in the DIN A0 format?
In RFEM 6, is it possible to display a graphic with the distribution of the required reinforcement in the DIN A0 format?
Member Design Supports for Deflection Checks
How do I define a member as a cantilever and not as supported at both ends for serviceability or deflection design?
Why are new COs generated during the calculation in RF‑/FOUNDATION Pro?
Why are new COs generated during the calculation in RF‑/FOUNDATION Pro?
Editing Script
I get an error message when trying to edit a script. What can I do?
Torispherical Head
How can I quickly create a torispherical head with RFEM 6?
Main Objects to Activate
Why is it not possible to create surfaces in my RFEM model?
Creating Block
How can I create and open blocks in RFEM 6 / RSTAB 9?
Scissor Hinge
When calculating a file with several scissor hinges, an instability message appears. What can be the cause?
Import RFEM 5 Printout Report Templates into RFEM 6
Can I import RFEM 5 printout reports into RFEM 6?
Influence of Analysis Methods
Does the analysis method selected in RSECTION affect the cross-section design in RFEM/RSTAB?
Unsymmetrical Cross-Section (UPE)
I am having trouble with the design of a steel structure. For a singly symmetric cross-section (UPE), the program cannot perform the stability analysis. It reports that the Equivalent Member Method 6.3.3 is not applicable for an unsymmetrical cross-section. Is it possible to design such cross-sections in the program?
Tapered Member in RFEM 6 and RSTAB 9
I would like to model a frame beam with a tapered cross-section. For this, I have created a member with the cross-section distribution "Tapered at member start". However, the resulting cross-section is displayed incorrectly in the rendering. What is the problem here?
Results of Punching | Concrete design in RFEM 6
Where can I find the graphical results of punching shear in the concrete design? Especially the distribution of shear forces at the critical perimeter or the punching loads.
Geographic Coordinates by Longitude and Latitude
In which format should I enter the geographic coordinates by longitude and latitude in the online service?
Importing DXF as Background Layer
How can I insert a DXF file as a background layer in RFEM 6 or RSTAB 9?
Aligning Line Supports to Local Axis System
I do not get any local support reactions on line supports in RFEM 6. What should I do to get them?
Reinforcement Description
Is it possible to display the reinforcement description in RFEM 6?
Export Excel Table
I would like to export nodal support forces of several load cases, load combinations and result combinations into an Excel spreadsheet in RFEM 6. How should I proceed?
RSECTION Analysis Method
What is the difference between the "Finite Element Analysis" and the "Thin-Walled Analysis"?
Backward Compatibility
Will it be possible to open an RFEM 6 project in RFEM 5?
Invalid Punching Node
I would like to perform punching design of a reinforced concrete slab. I have selected a node and set it for the punching design. The node is classified as invalid. Why?
Punching Shear Reinforcement
RFEM 6 reports that the punching shear resistance design of a slab without shear reinforcement is not fulfilled. Can the program design this reinforcement?
Visibility - Shortcuts
When activating Visibility in the Views navigator, I cannot see or use the shortcuts, although they are active. Why?
Hiding Types
Where can find the option to hide the defined types (for example, design supports or effective lengths)?
Deleting Blocks
Can I delete user-defined blocks in the Dlubal Center?
MS Office Repair
When exporting to Excel, I get the error message "Microsoft Excel is not installed on this computer" although Excel is installed. Why?
Modify Loading by Multiplier Factor
Is it possible to apply a factor to the loads of one or more load cases that uniformly increases or decreases all loads in these load cases?
Modifying Partial Safety Factors and Combination Coefficients
How can I adjust the partial safety factors and combination coefficients in RFEM 6 and RSTAB 9?
Load Wizard - Member Loads from Area Loads | Display Separately
When displayed separately in my model, the loads from the load wizard disappear. What am I doing wrong?
User-Defined Design Situation
How do I create a user-defined Design Situation with my own chosen load combinations?
What is the function of the Object Properties table?
What is the function of the Object Properties table?
How can I graphically deselect elements in RFEM 6?
How can I graphically deselect elements in RFEM 6? It seems that I can only select them. But not deselect.
Adapted Method (Enable Double Bending)
I cannot analyze a UPN cross-section subjected to double bending in the program. Is it possible to do this in the program?
Where can I activate the reduction of load combinations in RFEM 6? And how does this reduction work?
Where can I activate the reduction of load combinations in RFEM 6? And how does this reduction work?
Design of Member Sets
I have activated Steel Design in my model and defined design types for the members. Why can I not design the superordinate member set?
Crash Report
Right after starting the program, I get the error message "Assertion failed!" What can I do to solve this problem?
Weld
Is it possible to calculate the weld stresses between surfaces with RFEM 6?
Member Stiffness Modification
How can I modify the stiffnesses of particular members using a factor in RFEM 6 and RSTAB 9?
Instability
My model is unstable. What could be the reason?
Importing Coordinates
Is it possible to import the coordinates of another point?
Favorable Permanent Actions
Where can I activate the "Favorable permanent actions" option in RFEM 6 and RSTAB 9 in order to combine the self-weight in the ultimate limit state with 1.0?
Neglecting Torsion
How can I neglect torsion in the steel and timber design?
Automatic Reinforcement Design
Can the RFEM 6 Concrete Design add-on automatically design member and surface reinforcement?
Nominal Reinforcement Bar Size
Can I define a different bar size in the RFEM 6 Concrete Design add-on other than the default bar sizes available in the drop-down?
Internet Connection License
Can I use RFEM 6 and RSTAB 9 without an Internet connection?
Model Tolerances
How can a model be regenerated, or where can I adjust the model tolerances?
Shear Stiffness
How can I deactivate the consideration of shear stiffness for a cross-section calculation?
Colors for Compression and Tension
What is the reason for changing the colors for compression and tension in RFEM 6 and RSTAB 9 with respect to previous program versions? Since that time, compression has been red and tension has been blue.
Static Analysis Settings
Where can I find the calculation parameters to be set?
Parallel Calculations
When analyzing the combinations using the geometric linear method, it seems that the parallel calculation works. However, when I change the method to the second-order analysis, it seems that the solver calculates the combinations one by one.
Web Service and API
Do I have to rewrite my own tools created with RF‑COM, for example, to enter models in RFEM 6?
Unstable Model - Troubleshooting
My model in RFEM 6 / RSTAB 9 is unstable. How can I fix it?
User-Defined Additional Reinforcement
Why is it not possible to select the user-defined additional reinforcement for the serviceability limit state design in RF‑CONCRETE Surfaces?
User-Defined Additional Reinforcement in Partial Areas
Is it possible to define only the user-defined additional reinforcement in certain areas of a surface in RF‑CONCRETE Surfaces, while the rest is determined automatically?
Viewer Mode
Do you provide a free viewer where I can open the RFEM 6 or RSTAB 9 files?
National Annex DIN EN 1998-1/NA:2021-07
Is the German National Annex 2021‑07 to Eurocode 8 available in RFEM 5 / RSTAB 8?
Interface with MS Excel
Is the import from Microsoft Excel still available in RFEM 6?
Units and Decimal Places
How can I permanently save the parameters in the "Units and Decimal Places" dialog box?
Effective Width of Rib
How can I remove or reduce the effective width of a rib in RFEM 6?
Generation of Surface Imperfections
How can I generate imperfections on surfaces in RFEM 6 on the basis of the governing buckling mode?
Export of Response Spectrum
Can I export a response spectrum from RFEM 6 and use it in RFEM 5, for example?
Page Break in Printout Report
Is it possible to create page breaks manually in a printout report?
Global Calculation Parameters: Modify Stiffness
I have deactivated objects by load case. Why are they still considered in the calculation in the corresponding load case?
What is the maximum number of reinforcement groups that can be created in RF‑CONCRETE Surfaces?
What is the maximum number of reinforcement groups that can be created in a design case in RF‑CONCRETE Surfaces?
Elastic Surface Foundation with High Spring Constant
I would like to enter a large spring constant. Is this possible?
Line Hinge of Slab-Wall Connection
I would like to connect my masonry wall to a reinforced concrete slab. What is the best way to create a line hinge?
Question
How can I update the graphics card driver, and where do I find the current driver versions?
System Diagnostics RFEM 6 / RSTAB 9
How can I carry out system diagnostics in RFEM 6 or RSTAB 9 and send it to customer support?
Results on couplings
How can I display the internal forces of a coupling member or rigid member?
Punching
I would like to perform punching design of a floor slab. I have selected nodes for the design, but they are marked as invalid. Where did I make a mistake?
Extranet - Deactivating User
How can I set a user as inactive in the extranet?
Extranet - Adding Users
How can I create a new user in the extranet?
Extranet - Password Change
How can I change my password for the extranet?
Display Options for Results
Where can I find the display options for results?
In RFEM 5 and RSTAB 8, they could be found in the Display navigator.
FE Mesh Refinement
How can I define an FE mesh refinement in RFEM 6? In RFEM 5, this was available in the Data navigator.
Clipping Plane
Is it possible to create different section planes for the visualization of results?
Fatigue Design
Where is the fatigue design activated in the CRANEWAY program?
Analyse de déformation
Is it possible to display the deformation analysis of a surface (limit 0.5‰)?
Object Selection: Add and Remove
How can I select objects one after the other or add them to a selection? And how does the deselection or removal of the objects from the selection work?
Online Licenses for RFEM 6 and RSTAB 9
Are there only online licenses for RFEM 6 and RSTAB 9?
Opening Load
How can the openings of surfaces be subjected to a load?
Clipping Box
Is it possible to focus on a particular area of a model and hide the rest?
Wind Simulation Setting in RFEM 6 / RSTAB 9
Where can I adjust the settings of my wind simulation in RFEM 6 / RSTAB 9?
Neglecting Masses in RFEM 6 / RSTAB 9
How can I neglect masses in my modal analysis in RFEM 6 / RSTAB 9?
Normalization of Mode Shape
Where can I adjust the normalization of a mode shape in RFEM 6 / RSTAB 9?
Values on Surfaces in Surface Grid
I have activated values on surfaces in grid points, but only get the extreme values displayed. How can I display all values in all grid points as desired?
Column Failure Modal Analysis
How can I analyze the failure of an object, such as a column, in my modal analysis?
Values on Surfaces: Details
I have activated values on surfaces. How can I display only the extreme values, for example?
Load Transfer Surface RWIND
Is it possible to use load transfer surfaces in RFEM 6 for wind load generation using RWIND?
Is the deformation analysis in state II included in the concrete design in RFEM 6?
Is the deformation analysis in state II included in the concrete design in RFEM 6?
How can I open the interaction diagram from Concrete Design?
How can I open the interaction diagram from Concrete Design?
Why are the members not valid for the Concrete Design add-on?
Why are the members not valid for the Concrete Design add-on?
Creep and Shrinkage of Concrete
Where can I activate creep or shrinkage for concrete design?
Member Representative
What does a member representative mean?
Is it possible to design single-layer reinforced surfaces with RFEM 6?
Is it possible to design single-layer reinforced surfaces with RFEM 6?
Log4j Vulnerability
As a Dlubal customer, am I affected by the Log4j security gap?
Update Report, Bugs, Features
Where can I find the update reports, information about problem solving, and new features in RFEM 6 and RSTAB 9?
Webservice
After starting a web service or an interface from RFEM 6 / RSTAB 9, I get an error message. What can I do?
Handling Nonlinearities in RSTAB 9
How is the nonlinearity handled in RSTAB 9?
Generating Parts Lists
How can I generate parts lists in RFEM 6 and RSTAB 9?
Rigid Link
How can I implement a rigid coupling between two surfaces in RFEM 6?
Deactivating Objects by Load
How can I deactivate certain objects, such as members, surfaces, or supports, by load case?
Installation of Dlubal Plugin for Rhino and Grasshopper
Is the Dlubal plugin for Rhino or Grasshopper installed automatically?
Combinations for Road Bridges According to EN 1991-2 in RFEM 6
Does RFEM 6 include the combinations for road bridges according to EN 1991‑2?
Importing Layers as Visibility
Is it possible to import layers as a visibility?
Online License - Damage or Loss
What happens to the online license if a computer is broken or stolen?
Moving Authorization
We have purchased several online licenses. How can I move the authorization from one license to another?
Structure Stability
How do I perform stability analysis to determine the critical load factor in RFEM 6?
Authorization File
How do I get the current authorization file for RFEM 5, RSTAB 8, and other stand-alone programs?
Trial Expired
Unfortunately, the trial period of my trial version of RFEM 6 / RSTAB 9 has already expired. How can I continue to test new Dlubal products?
Creating Member End Release with Diagram via COM Interface
How can I create a member end release with a "diagram" using the COM interface?
Contact Between Surfaces
What is the fastest way to create a contact between two surfaces?
Assigning Loads to New Load Case
How can I assign existing loads to another load case?
Assignment of Free Loads
Why are the free line loads not displayed completely at certain locations after copying them, for example?
RFEM 6 License Type
How do I change the license type from "Demo" to "Trial" or "Purchased" in RFEM 6?
Cross-Section Optimization
How can I optimize cross-sections within the steel design?
Factorize / Optimize Provided Reinforcement
What is the meaning of the terms "Factorize provided reinforcement" and "Optimize provided reinforcement" in concrete design?
RWIND 2 with RFEM 5 / RSTAB 8
Can I also use RWIND 2 with RFEM 5/RSTAB 8?
Link to Main Program
I cannot create a new file. The menu item is grayed out. What can I do?
Modal Analysis - Minimum Initial Strain
Why do the results in a modal analysis differ between the initial prestress and the surface load?
Switching Between Results in Grid Points and Mesh Nodes
Can I switch the required reinforcement in the result tables from "mesh nodes" to "grid points"?
Line Releases and Line Hinges in RFEM 6
In RFEM 6, I am looking for the line releases known from RFEM 5. Are they no longer available in RFEM 6?
RFEM 6 90-Day Trial Access Concurrent use with RFEM 5 License
Can I download a 90-day trial version of RFEM 6 to test it out even if I own RFEM 5 now?
Nodal Support with Friction
Is it also possible to consider friction at nodal support in RFEM or RSTAB?
Overview of Add-ons
Is it possible to use the add-ons that are grayed out in the overview?
Compatibility Between RFEM 5 → RFEM 6 and RSTAB 8 → RSTAB 9
Can I open my old RFEM 5 models in RFEM 6 without problems and edit them further?
Constant on Elements
Where in RFEM 6 can I set that the stresses within the elements should be displayed constantly?
Surface Results Adjustment in RFEM 6
Where can I enter average regions or surface result adjustments in RFEM 6?
Printout Report Template
How can I create standardized printout reports in RFEM 6 and RSTAB 9 and use them as a template on other computers?
Login - SSL Handshake Failed
When trying to log in, I get an error message: SSL handshake failed. What should I do?
Opening RWIND in RFEM 6 or RSTAB 9
How can I open RWIND using the load wizard in RFEM and RSTAB?
Modal Analysis
How can I display mode shapes in RFEM 6 and RSTAB 9?
Response Spectrum Analysis
How can I perform an earthquake analysis in RFEM 6 and RSTAB 9?
- 005113
- Timber Design for RFEM 6
- Timber Design for RSTAB 9
-
- Aluminum Design for RFEM 6
- Aluminum Design for RSTAB 9
- Steel Design for RFEM 6
- Steel Design for RSTAB 9
- Stress-Strain Analysis for RFEM 6
- Stress-Strain Analysis for RSTAB 9
- Steel Joints for RFEM 6
- Timber Structures
- Concrete Structures
- Steel Structures
- Structural Analysis & Design
- Eurocode 2
- Eurocode 3
- Eurocode 5
- Eurocode 9
Materials of National Annexes
Where can I find the materials for the corresponding National Annexes in RFEM 6 and RSTAB 9?
Requesting and Using Student License
How can I request and use a student license?
Working with Templates
How can I speed up my work in RFEM 6 and RSTAB 9 when creating a new file?
SHAPE-THIN Cross-Section in RFEM 6 or RSTAB 9
Can I import a SHAPE‑THIN cross-section into RFEM 6 or RSTAB 9?
Multi-Core Capability
How many cores can RFEM 6 activate for the calculation?
RFEM / RSTAB Download Links on Dlubal Website
Where can I find the download links to the latest RFEM / RSTAB program versions?
Distance of Load to Object
How can I change the distance of a load to an object in the graphic?
Authorization File Download in New Dlubal Extranet
Where on the Dlubal extranet can I download my RFEM/RSTAB authorization file?
Preselection
What can I set using the preselection?
Adding Taper
How can I add a taper on a member?
Slider
How can I quickly change the size of some objects, such as supports and loads?
Undo Function
Is it possible to undo the work steps up to a certain step?
RFEM 5 Access after RFEM 6 Upgrade
Will I lose access to RFEM 5 when I upgrade to RFEM 6?
RFEM 5 and Add-On Module Upgrade Options
If I have multiple RFEM 5 licenses including multiple add-on modules, do I have to upgrade them all at the same time?
RFEM 6 Add-On Standards and Codes
If I upgrade an RFEM 5 design add-on module, which codes or standards will I have access to in RFEM 6?
RFEM 6 Upgrade Timeline
Do I have to upgrade to RFEM 6 right away?
RFEM 5 Continued Support
I want to continue using RFEM 5. Are you going to stop supporting this version now?
RFEM 6 Service Contract Options
Will RFEM 6 have a separate Service Contract than what I’m paying now for RFEM 5?
RFEM 6 Licensing Configurations
Will there be either a network or standalone licensing configuration for RFEM 6?
RFEM 6 Add-On Sharing Capability
Can add-ons be shared with the main RFEM 6 program like it is now with an RFEM 5 network license (for example, (2) seats of RFEM share (1) seat of RF‑TIMBER AWC)?
RFEM 6 First Release Features vs. RFEM 5 Features
Are all features that I'm using now in RFEM 5 available in the first release of RFEM 6?
RFEM 6 New Features
What new features are offered in RFEM 6?
RFEM 6 User Interface vs. RFEM 5
Does the RFEM 6 user interface look the same as RFEM 5?
RFEM 5 Model Integration in RFEM 6
Can I open RFEM 5 models in RFEM 6 without losing any data?
RFEM 6 90-Day Trial Version User Access
Can every user in my company download their own RFEM 6 90-day trial version?
Load on Non Coplanar Structures
How do I apply load on members that are non coplanar in RFEM 6?
Load Distribution
What options are available in RFEM 6 and RSTAB 9 to distribute the surface loads on members of a planar member structure as member loads?
Separated Display of Member Loads
I have applied surface loads to the surfaces with the "Load Transfer" stiffness type. How do I get to the separate display to see the corresponding member loads?
Upgrade to RFEM 6 / RSTAB 9 with RFEM 5 Service Contract
Can I upgrade to RFEM 6 or RSTAB 9 for free with my current RFEM 5 or RSTAB 8 service contract?
RFEM 6 Upgrade Costs
How much does it cost to upgrade to RFEM 6 if I own a current license of RFEM 5?
Null Member
Are there no more null members in RFEM 6 and RSTAB 9? How can I exclude a member from the calculation?
Member Division
Where can I set the number of member divisions, for example, for result diagrams?
Disabling Combination Wizard
Is it possible to disable the combination wizard manually when activating an add-on?
Selecting Results from Load Cases, Load Combinations, and Result Combinations for Printout Report
Where in the printout report manager can I select the results that are of interest to me, such as the internal forces and the support forces from the load cases, load combinations, and result combinations?
Design Results
I have activated the design within General Data under "Add-ons" and calculated everything. How do I get the results of my design?
Overview of Add-ons
How can I find out which add-ons I have and which only run as a demo version?
Integrating Projects
How can I integrate my customer projects into the Project Navigator via Dlubal Center?
Setting of Axis Systems
Where in the program can I set whether the global Z-axis and the local axes should be directed downwards or upwards?
Model Parameters Location
What happens if I enter a location in the model parameters in the Base Data of the model?
Language and Region
How can I change the language and region of the graphical user interface?
Directions of Load Distribution
I have a girder grid with members in the X- and Y-directions. After applying a load using the "Load Distribution" surface type, the members are only loaded in one direction.
How can I load all the members?
Line Hinge
How can I assign a line hinge to a surface?
Percentages in Control Panel
What is the meaning of the percentages next to the colors in the control panel?
Load Eccentricity
How can I consider an eccentric load introduction?
Design Add-ons
How do I open an add-on module for steel, timber, or concrete design (and others)?
Model Type 2D/3D
What does model type 2D/XZ/3D or 2D/XY/3D mean?
Licensing
When opening a new model, all the add-ons I have licensed are only available as a demo. How do I get my licensed full version?
Activating RFEM 6 and RSTAB 9
How can I activate my newly purchased programs on my computer?
Member Hinge Descriptions
How can I display more information about member end hinges in a graphic?
Crossing Releases
I have a model with crossing line releases/line hinges, and I obtain implausible results.
Viewer Link
I have deleted a link to the RFEM 5 viewer. How can I restore it?
Selecting Objects
Can I create a visibility from objects even though the function is grayed out?
Wind Load on Open Structures
How do I apply wind load on members of open structures in RFEM 5?
TOWER Loading
Is it also possible to use RF‑/TOWER Loading without the other TOWER add-on modules?
Checksum of Drag Force
What is the meaning of the difference in the checksum of drag forces?
Result Diagram Result Combination Min/Max
Is it possible to switch off the minimum internal forces when displaying a result diagram so that only the maximum values are displayed?
Form-Finding Integrated Lines
Although I modeled two identical systems, I got a different shape. Why?
Rotation of Nodal Support Using COM Interface
How can I rotate a nodal support using the COM interface?
Removing Cross-Section from Design
I do not want to design a cross-section in the RF‑/STEEL EC3 add-on module. Can I quickly remove this cross-section from the selection?
Crane Library
In CRANEWAY, there is a crane library with templates. Why is it grayed out?
Member Results in XY Plane
I would like to evaluate member results in the plan view. Is it possible to get the results drawn in the XY plane?
Column Running Through Wall
I have a roof structure resting on a steel column that runs to the foundations. The column runs through a perimeter wall that supports the false ceiling. A considerable part of the load from the roof is transferred to the wall. I want the steel column to carry all the vertical loads from the roof. How can I do it?
Info Day Online 2018
Are the models and presentations from Info Day 2018 freely available, and can you send them to me?
Sharing Violation in SHAPE-THIN
I encountered a sharing violation while importing a dxf file into SHAPE‑THIN. What is the issue?
Question
In RF‑CONCRETE Surfaces, I obtain a high amount of reinforcement in relation to a lever arm that is almost zero. How is such a small lever arm of internal forces created?
RF-STEEL Surfaces - Membrane Stresses
How can I display membrane stresses in the results of RF‑STEEL Surfaces?
Question
For the settlement calculation in the RF‑SOILIN add-on module, the specific weight gamma and gamma,sat are required for the soil. What do I need the value gamma,sat for, and how is it assumed in the calculation?
Question
RF‑/DYNAM Pro - Forced Vibrations and RF‑/DYNAM Pro - Equivalent Loads perform the multi-modal response spectrum analysis. What are the differences?
Question
Is it possible to edit a printout report without opening it?
Question
How does the "Orthotropic Plastic" material model work in RFEM?
Question
What is the meaning of the superposition according to the CQC rule in a dynamic analysis??
Question
We recently received the following error message on a laptop. Can you tell me what we can do to fix the problem?
Results for RF-/DYNAM Pro Add-on Modules
There are two different add-on modules for a response spectrum analysis in RF‑/DYNAM Pro. What can be the reasons for the different results of both add-on modules?
Question
How is the automatic creation of c/t-parts carried out?
Question
How can I display the internal forces in the global coordinate system and not in the principal coordinate system of the cross-section?
Question
What is the meaning of the action of masses in RF‑/DYNAM Pro - Natural Vibrations?
Question
When converting from the manual definition of reinforcement areas to the automatic arrangement of reinforcement according to Window 1.4, the result of the deformation calculation differs, although the basic reinforcement has not been modified. What is the reason for this change?
Question
I am designing a set of members using the equivalent member method in RF‑/STEEL EC3, but the calculation fails. The system is unstable, delivering the message "Non-designable - ER055) Zero value of the critical moment on the segment".What could be the reason?
Question
Is it possible to import the files of the FEM-Design program by the StruSoft company into RFEM?
Question
I would like to define a line support with ineffective tension and apply the tension force on this line using a nodal support instead. Why does the line support still receive a tension force?
Question
Our company has a new name that will be used by all company locations (national and international). I know that the address is stored in author.ini. However, it cannot be changed. We would prefer an empty author.ini so that we can adjust it individually depending on the location.
Modification of Model Type
Why are certain model generators only displayed as inactive/grayed?
Question
A single-span beam consisting of several apparently straight members receives small torsional moments in the load case of "dead load". Why?
Question
Does the program check the lap length of the vertical stirrups of a block foundation with smooth bucket sides?
Question
Why do I get a discontinuous area in the distribution of internal forces? In the area of the supported line, the shear force VEd shows a jump, which does not seem plausible.
Question
When creating a new member, the existing member is divided into two members, or when adding a node on a member, a new perpendicular member is created.
Is there any option to prevent the members from being divided automatically?
Question
In RFEM, is there a way to define a global polar grid whose origin lies, for example, in the global zero point and which applies to multiple surfaces?
Question
The tables (or the navigator) are not displayed despite activating the table window (or the navigator). How can I make them visible again?
Question
When comparing RF‑CONCRETE Columns with another design software, I get different results. How can the differences be explained?
Question
I have problems with my printout report. The font is very large. In some cases, the columns overlap and the font is no longer legible.
Question
How is it possible to make factorized combinations of a dead load in the context of form‑finding?
Question
Is it possible to perform design without an additional reinforcement in RF‑CONCRETE Surfaces?
Question
I want to create a mapped mesh for a circular hole plate. Is it possible to generate such a mesh in RFEM?
Interface to Halfen HDB 13.60
I have installed Halfen HDB 13.60 on my PC. The version does not seem to be compatible with RF‑PUNCH Pro anymore. The interface does not work. I am using version 5.26.02 of RFEM.
Question
Do you have a list of FAQs in Excel, for example, to give us with an overview of the existing FAQ?
Settings - Decimal Places
How can I adjust the number of decimal places in the standardized table values of a mode shape?
RFEM Workspace
What is the size of the workspace in RFEM?
Orthotropy Direction of Plate
I have a trapezoidal roof structure supported by beams. However, the moments on the beams are smaller than they should be. What could be the reason for this?
RWIND Simulation Result Export
Is it possible to export RWIND Simulation results into a GIS software or any other external program?
Detailed Information About Orthotropy
Where can I find detailed information about orthotropy mentioned in the manual?
Consideration of Heat Affected Zone for Aluminum
Is it possible to consider the reduction of strength in the heat affected zone (HAZ) in the RF‑/ALUMINUM add-on module?
Contact Stress in RF-SOILIN
When designing a foundation slab under a circular tank, the contact stress in the middle of the surface is not displayed. What could be the reason?
Question
The import of internal forces from RFEM or RSTAB to SHAPE‑THIN requires administrator rights. Is it possible to carry out the transfer without administrator rights?
Question
I have a model with a segmented curved layout of the line. How can I create a single line from it?
Question
I have imported a DXF file to RFEM. Unfortunately, the scaling of the model is not correct and has to be reduced. How can I change the scale?
Question
In a section through a surface, the result diagrams are not displayed in the entire area of the section. What is the reason?
Question
Is it possible to open files created with SHAPE‑THIN in the previous program versions, such as SHAPE‑THIN 7?
Question
The design criterion for VEd/VRd,c is displayed as governing, although there should be a shear reinforcement designed. Also, the design of VEd/VRds is missing. Why?
Question
Which calculation method is the basis for the stability analysis in RF‑CONCRETE Columns?
Question
I obtain lifting support forces, even though the loads act in the opposite directions. How is this possible?
Question
I have imported a SHAPE‑THIN cross-section into RFEM/RSTAB. How can I update the cross-section in RFEM/RSTAB if the cross-section has been changed in the SHAPE‑THIN program?
Question
Is it possible to enter a curtailed reinforcement in RF‑CONCRETE Columns?
Question
How many divisions must a member have for the calculation in RFEM in order to obtain accurate results?
Question
How can I display the results of the RF‑/DYNAM Pro add-on module in the printout report?
Question
Is it possible to lock graphics in the printout report?
Question
The design ratio of the cross-section check is different for the RF‑/STEEL and RF‑/STEEL EC3 add-on modules. What is the reason?
Question
When opening a file of the RF‑/PLATE‑BUCKLING add-on module, the input data are not transferred and the default values are preset. What is the reason?
Authorizing RWIND 2 Trial Version on Single-User Computer
How can I authorize the trial version of RWIND 2 on a single‑user computer?
Question
What is the meaning of the warning message ER061) Minimum amplifier of design loads <1?
Question
The display scale of the generated loads is not correct.How can I solve this problem?
Question
How can I optimize the calculation time in CRANEWAY?
Question
I would like to define lateral supports along the axis of a structural component that sometimes act on the upper flange, sometimes on the lower flange. However, it is only possible to select one item for each member. How can I create the entry?
Question
When using RFEM, there is a problem that the fonts applied in the work window are extremely small.
Question
How can I determine the controlling internal forces at a node that several members frame into for connection design?
RFEM 5, RSTAB 8, and SHAPE-THIN
What do I have to consider when installing and starting programs by Dlubal Software?
Question
Is it possible to divide a free surface load by the existing lines in RFEM?
Question
In which directions do the member types "Spring" and "Dashpot" have stiffness?
Question
I was checking the cross-section properties of rolled cross-sections in SHAPE‑THIN and found out that there are discrepancies with the tables when determining the torsional constant It. How can this be explained?
Question
Is it possible to adjust the symbol size in the toolbar in RFEM/RSTAB?
Question
How can I display a load-deformation diagram for any node of the structure?
User-Defined Sections
Where are the user-defined cross-sections saved? How can I access them?
Question
Could you please explain where I increase the calculated forces in the work window? They are so small that I cannot recognize them.
Question
Rayleigh damping is available in RF‑/DYNAM Pro. How do I determine and use these factors?
Question
After running the program as a full version and working with it for a certain period of time, an error message appears when saving the file, saying that the authorization failed. What is the reason, and how can I save my file anyway?
Question
Two solving methods for a linear time history analysis are available in the RF‑/DYNAM Pro add-on module. What is the difference between them?
Question
How can I apply a load to only a partial area of a rotationally symmetric structural component ?
Question
I am designing a cross-section created in the SHAPE‑THIN program using the design add-on module, but the program shows the error message "ER006 Invalid type of c/t-part for cross-section of type General". What can I do?
Question
What method is applied in the RF‑/DYNAM Pro - Equivalent Loads add-on module?
Question
Which type of file is used for RFEM and RSTAB?
Question
I obtain different results when comparing the deformation analysis in the RF‑CONCRETE add-on modules and another calculation program. What could be the reason for this?
Question
For the design, I can only select the surrounding reinforcement for a rectangular cross-section. Why?
Question
How can I change the exponential display of the results to the display of integral numbers?
Question
I get an error message saying that there is no material assigned to one or more point elements. How can I solve the problem?
Question
During the plausibility check, I get an error message saying that the surface opposite the contact surface cannot be located. How can I fix this?
Steel Fiber-Reinforced Concrete
What is the best way to consider steel fiber concrete in the structural analysis software RFEM 5?
Question
In RF-/STEEL EC3, I get an error message saying that the node with a support does not exist in the set of members. What is the reason?
Question
Can I use RFEM to calculate a log house three-dimensionally?
Question
In the global calculation parameters, the "Exceptional handling" option for members is grayed out and cannot be activated. What is the reason?
Opening RSTAB File with RFEM
Is it possible to open an RSTAB file in RFEM and vice versa?
Question
How can I deactivate displaying symbols for the FE mesh refinement?
Question
After an update of RSTAB, my .rst files, which had been used by another program, are always opened with RSTAB. However, the .rst file does not belong to RSTAB, but to another program. How do I control the association of the file type?
Crack Formation in First 28 Days
What does the "Crack formation in the first 28 days" option mean?
Free Student License
Is there any way to get a free student version of Dlubal Software (such as RFEM, RSTAB, RWIND Simulation) if I am not attending a university or college, but a high school, for example?
Question
I recently purchased RSTAB with the CONCRETE add-on module. Can I use it to perform the stability analysis of reinforced concrete columns?
Question
How do I display some results of all load cases in the printout report, but other results of selected load cases only?
Question
Is it also possible to subsequently deactivate the symbols for the FE mesh refinement in an existing graphic in a printout report?
Difference Between SHAPE-THIN 9 and SHAPE-THIN 8
What is the difference between SHAPE‑THIN 9 and SHAPE‑THIN 8?
Creating Member Eccentricity via COM Interface
How can I create a member eccentricity using the COM interface?
Effective Lengths of Frame Columns
How are the effective lengths of frame columns determined in RFEM or RSTAB?
Transverse Spacing stmax of Shear Reinforcement
Why does Warning 155 appear as a result of the reinforced concrete design of members for the existing stirrup reinforcement?
Question
How do I model a conical tower?
Question
SHAPE‑THIN calculates a very small shear area. Why?
Question
For some time, I have had display problems in RFEM and RSTAB that make it difficult to work with the software. It mainly affects the result display. The lines are extended, dotted, or not displayed at all, depending on whether I zoom in or out.
Do you have any idea how to solve this problem?
Dlubal Key Number and License Number
When starting the program, I get warning message No. 47 "The Dlubal product key does not match your license." How can I use the full version?
Question
Why do RF‑CONCRETE Members and CONCRETE determine a significantly higher provided reinforcement than the required reinforcement?
Question
I would like to carry out the flexural buckling design for timber components with imperfections and internal forces according to the second-order analysis. Is it sufficient to activate this in Details of the RF‑/TIMBER Pro add-on module or is it necessary to make additional settings?
Question
I would like to divide a line very finely, but I can only define the minimum of 0.5 mm using the "Divide Line → Distance" function. How can I avoid this problem?
LVL
Can I design laminated veneer lumber with RFEM 5 or RSTAB 8?
Question
I have printed some graphics into my printout report. Now, I would like to adjust the colors in the panel. Is it possible to change or update the color scale for all images in the printout report at once?
Question
When calculating a connection using the FRAME‑JOINT Pro add-on module, a message appears saying that the value is out of the valid range (existing value: 108, minimum value 100, maximum value 100). What does this message mean?
Question
How is the rotational restraint stiffness calculated for a non-continuous rotational restraint (for example, purlins) in RF‑/STEEL EC3?
Question
I would like to activate my license (not necessary with USB dongles), but I do not receive the "Authorization dialog box" when starting the program. How can I activate this dialog box?
Question
How can I calculate a timber-concrete composite floor with cross-laminated timber?
Question
In my model, the coordinate systems of all lines are displayed. This makes the model very unclear. Is it possible to switch off the coordinate systems of the lines?
Question
How can I export the effective lengths from the STEEL EC3 add-on module to EXCEL?
Question
How can I export the effective lengths from the RF‑STABILITY add-on module to Excel?
Question
In the RF‑/STEEL EC3 add-on module, I have selected two bracings with the same size as the shear panel type in the "Parameters" window for a beam to be designed. Thus, the beam should be supported laterally in the middle. Why is the eigenvector arbitrary, anyway?
Question
What is the critical load factor and how is it possible to determine it?
Question
How is it possible to import background layers?
Question
The online service "Snow Load, Wind Speed, and Seismic Load Maps" displays the snow load zones 1*, 1a*, 2*, and 3* for Germany. Where are these snow load zones defined?
Question
Does it make any difference for the calculation of a load combination if I set the calculation for the included load case according to the geometrically linear analysis or the second-order analysis?
Load Cases Displayed in Red in STEEL EC3
Why are some load cases displayed in red in RF‑STEEL EC3?
Question
I am trying to design an open, unsymmetric aluminum cross-section in RF‑/ALUMINUM and I am get the warning "Non-designable - 1022) General cross-section — Check of stability is not available". What is the reason?
Question
Is it possible to move or copy guidelines to other work planes?
- 003573
- RFEM 5
- RSTAB 8
-
- DYNAM Pro | Natural Vibrations 8
- DYNAM Pro | Equivalent Loads 8
- DYNAM Pro | Nonlinear Time History 8
- RF-DYNAM Pro | Natural Vibrations 5
- RF-DYNAM Pro | Equivalent Loads 5
- RF-DYNAM Pro | Forced Vibrations 5
- RF-DYNAM Pro | Nonlinear Time History 5
- Steel Structures
- Dynamic and Seismic Analysis
- Nonlinear Dynamics
- Eurocode 3
Question
In RF‑/DYNAM Pro, the "From self-weight of structure" option is available in a mass case. Is it always necessary to activate this option in order to consider the dead load of the structure?
Question
How can I check whether the user has a valid COM license for the data exchange?
Question
How does the Material Model - Plastic 1D work?
Question
When opening a DXF file, I get a message saying that access to this file is denied. How can I open the file?
Question
For deformation analysis using RF‑CONCRETE Deflect, I have activated the consideration of creeping and shrinkage. Where can I see the creep coefficient and the coefficient of shrinkage applied for the calculation?
Question
Why are the equivalent member designs grayed out in the Stability tab when activating the plastic designs using the partial internal force method (RF‑/STEEL Plasticity)?
Drop Panel Design for Reinforced Concrete Slabs
How can I model a thickened area of my concrete slab in RFEM such as a drop panel?
Question
I bought a new computer. How can I use my softlock license on it?
Download Authorization File
I cannot download the authorization file, or it is blocked by a browser. How do I get the file?
List of Possible Diameters for Rebars
How can I select a diameter of rebars for the design of reinforced concrete beam structures that is not available in the list of possible diameters?
Question
Where can I find the determined support forces for the crane runway girder? At the bottom flange of the crane runway girder or in the shear center of the cross-section?
Data Exchange with cadwork
Is it possible to exchange models between cadwork and RFEM/RSTAB bidirectionally?
Using "End Prestress" Load Type
Can I display the load that is iteratively applied to a member for the "End Prestress" load type?
Question
A member that is obviously supported insufficiently does not lead to the instability of the entire structure. Why?
Question
In the graphic, neither the work window nor the printout report shows the information about the displayed result (for example, internal force My, LC1: Self-weight). How can I activate the output?
Add-on Module RF-/FOUNDATION Pro
Does RF‑/FOUNDATION Pro work independently, without the main program?
Question
How can I import an IGES or STEP file into RFEM?
Question
Is it possible to create a printout report in English?
Question
How can I check if my free variable load has been applied correctly?
Question
I use member end releases with slippage in the longitudinal direction of the member. However, the calculation is always aborted, displaying the instability message. How can I optimize the system accordingly?
Question
How do I create a frame joint with taper in JOINTS Steel - Rigid?
Question
Is it possible to save the structures of the manufacturer-specific cross-laminated timber plates in the RF‑LAMINATE add-on module?
Question
In my L‑section, there is no M-y or M-z moment when rotating the member 45°. Why?
Question
How is it possible to display the main support direction graphically in RF‑LAMINATE?
Question
I have modified the stiffnesses of members. However, this modification should only be considered for specific load combinations. What is the procedure?
Question
During the calculation, I get an error message in RFEM with Error No. 1639, or in RSTAB with Error No. 1640: "Member No. XY and | Member hinges No. YZ are freely rotatable about the x-axis. Please check this in Table 1.17 (or 1.7 in RSTAB) or another related table." How can I solve this problem?
Question
I have used the RF‑/DYNAM Pro add-on module to generate the governing result combinations of seismic loads. What is the next procedure to perform the design of the individual structural components?
Question
I have modeled a continuous beam. One of the supports should only act when the deformation is 10 mm or above. How can I set such a nonlinearity?
Cross-section Rotated when Import into RFEM
My member is oriented at the inclination of principal axis when I import from SHAPE-THIN to a 2D RFEM model. How do I fix this?
Question
When running the project manager according to FAQ 002927, all files are displayed by default. How can I set the option to display only RFEM files without having to click RFEM each time?
Question
When I open a 3D PDF with Adobe Reader or Adobe Acrobat, I only get a blank page without any content displayed. What is the reason?
Shrinkage as Load
Is it possible to specify shrinkage effects as loads?
Result Beam and Temperature Gradient
Why do I get Error No. 10203 for the result beam when performing a design with RF‑CONCRETE Members?
Question
When exporting to Excel, I get the error message "Microsoft Excel is not installed on this computer", or the export function to Excel is grayed out and cannot be selected, although Excel is installed. Why?
Question
Is it possible to model and structurally analyze solids in RFEM?
Is it possible to model a semi-rigid composite beam with a line release using members in RFEM?
Is it possible to model a semi-rigid composite beam with a line release using members in RFEM?
Calculation of Cable
When calculating a cable using the STEEL EC3 add‑on module, there is the error message "Incorrect characteristic stresses for material No. 1! Please correct this in Table 1.2."
Question
For the cross-section design of a flat steel, I obtain abnormally high shear stresses due to the torsion in the STEEL EC3 add-on module, which can be disproved by a simple manual calculation. What is the error?
Question
It seems that the members stay not deformed after my RF‑FORM‑FINDING calculation. What did I wrong?
Question
RF‑STEEL AISC add-module shows non-designable results for general cross-sections because of shear buckling checks according to Chapter G. How do I solve this?
Question
Which tensile strength of concrete is used for the transition from State I to State II? fctm or fct;0.05?
Question
Is it possible to define the damage parameter ζ manually for the calculation with RF‑CONCRETE Deflect? In such a way that it should always be at least 0.5?
Question
Is it possible to manually adjust detail categories or a stress cycle of the detail categories?
Question
How can I determine the post-critical load of a structural system with a post-critical analysis?
Modifying Provided Longitudinal Reinforcement
How can I retrospectively reduce the determined provided longitudinal reinforcement in RF‑CONCRETE Columns?
Question
When installing RFEM / RSTAB, the Material Library was not installed at all, or was installed in the wrong location. Error No. 1158 is being displayed. It is not possible to find the Materials.dbd file. Where can I find it?
Question
Is it also possible to graphically display the intermediate values or design details from the calculation in RF‑CONCRETE Surfaces?
Question
What defines the dimensions "Length of Reinforcement" and "Width of Reinforcement" of the longitudinal reinforcement in RF‑PUNCH Pro? Is the anchorage length included?
Question
Where in RF‑PUNCH Pro is the direction of the individual reinforcement layers displayed?
Question
Is it possible to create a second design case in RF‑LAMINATE?
Question
In a nonlinear structural system, some load cases do not converge. However, load combinations can be calculated without problems. Why?
Question
How can I obtain internal forces, calculated in CRANEWAY, for a special x-location?
Question
Is it possible to display the curvatures or the radius of a slab in the element nodes?
Question
How can I adjust the height and width of a graphic?
Model was not found
I cannot open a model. The program says that the model was not found.
Question
Where can I find the results of the contact stress (soil pressure) for the elastic surface foundation or the member elastic foundation displayed on the screen?
Question
Is it possible to use a contact solid or a layered FE mesh for a solid also in the case of curved surfaces? Because I get Error No. 848.
Utilization Ratio in RF-CONCRETE Members
How do I display the utilization ratio of a compression column in RF‑CONCRETE Members?
Unstable Model
I have a model of a timber building, which I have transferred from Scia Engineer and adapted into the RFEM program. The models should be the same; however, it can only be calculated in Scia Engineer, while RFEM reports singularity. How do I edit the model to analyze it in RFEM?
Modeling of Timber-Concrete Composite Floor
How can I model a timber-concrete composite floor?
Parameters of Loads
Is it possible to parameterize models and loads with RFEM and RSTAB?
Question
Is it possible to design a spherically curved glass pane in RF‑GLASS?
Changing Method of Analysis of Load Cases and Load Combinations
RFEM calculates all load combinations automatically according to the second-order analysis. Is it possible to deactivate this?
Modeling Slab Made of Trapezoidal Sheets
Is it possible to model a slab made of trapezoidal sheets?
Broken License
My license does not work, what can I do?
Question
Does RFEM recognize that a member is connected to a surface despite the eccentricity?
Evaluation of Member Foundation
Why is no support force displayed even though I have modeled the member foundation?
Display of Line Support Results
Is it possible to display the mean value of the line support results?
Effective Length Factors for Aluminum and Steel Design
Are effective length factors determined automatically from a model in the add-on modules for aluminum and steel design, or do I have to make adjustments?
Displaying Results of Support Reactions
Which units are specified in the result display of the support reactions (kN or kN/m)? A note about this is missing in the graphic.
When the support reactions are given in kN/m, for which distance does the value apply?
Changing Font Size of Dimensions
Is it possible to change the font size of dimensions?
Applying Imposed Loads on Multi-Span Beams
I would like to calculate a multi-span beam. Is it possible to automatically apply imposed loads by span (for the design of the largest supporting moment and moment in the span)?
Free Rectangular Load on Freely Definable Area of Surface
I would like to only apply a rectangular load to a part of the surface. How can I do it?
Overlapping Elements
How can I find overlapping elements and revise the modeling?
Calculation with American Steel Cross-Sections
Is it possible to calculate with American steel cross-sections?
Shear Deformation of Member
How can the shear deformation of a member be taken into account?
Setting Cross-Section Description in Panel
How can I display only cross-section names in the panel for cross-section colors, without the standard and steel grade?
Setting Sheet Size for Printout Report
How can I adjust the sheet size for a printout report?
Definition of Line Hinges for Ceiling Slab on Shear Wall
I have modeled a ceiling slab supported on a shear wall. The shear wall should only absorb axial forces. So I have inserted a line hinge between the surfaces and defined it in the way that the hinges are available for all internal forces except for those in the ux direction.Although there is no hinge defined for ux, the plate deforms without being supported by the shear wall. Where is the error?
Entering Sway Bracing in RFEM or RSTAB
How can I consider a sway bracing in CRANEWAY?
Distribution of Internal Forces/Stresses
Four surfaces have identical loads, but they show different negative moments at the support location. Is this an error?
Model Generator
Can I adjust a model retroactively after it has been created using the model generator?
Setting of Result Units
Where can I set the units of the results in RFEM/RSTAB?
Modeling of Tapered Member
In RFEM/RSTAB, I have defined a tapered member consisting of two different cross-sections. This is now displayed incorrectly in the rendering (see the "Incorrect Taper" graphic). What did I do wrong?
Setting of Wall or Slab
Where do I find the setting to specify the entered structural component as a "wall" or "slab"?
How can I quickly model a chimney with reinforcement rings and stiffeners?
How can I quickly model a chimney with reinforcement rings and stiffeners?
Fire Resistance in Printout Report
The information about the limit time for the fire resistance design R in the RF‑TIMBER Pro add-on module is missing in the printout report. Is it possible to add this information to the printout report?
Stability Analysis - Torsion Available
I get the message "Existing torsion -> no stability design possible". Why does this appear and what can I do?
Bolted Connections with Surface and Solid Elements
How can I model and design general bolted connections with the surface and solid elements in RFEM?
Modeling Straight and Spiral Staircases in RFEM 5 and RSTAB 8
How can I create straight and spiral staircases in RFEM 5 and RSTAB 8?
Creating Nodes at Connection Point
My system includes several intersecting members, but they are not connected yet. What is the easiest way to create a node at the connection point?
Display of Principal Stresses as Trajectories
Is it also possible to display principal stresses as trajectories or vectors?
Snow Load by ZIP Code
How do I calculate a snow load using a ZIP code (ZIP)?
- 002528
- RSTAB 8
- RFEM 5
-
- FRAME-JOINT Pro 8
- LIMITS 8
- RF-JOINTS Timber | Timber to Timber 5
- RF-JOINTS Timber | Steel to Timber 5
- RF-JOINTS Steel | Rigid 5
- RF-JOINTS Steel | DSTV 5
- RF-JOINTS Steel | Pinned 5
- RF-JOINTS Steel | Tower 5
- RF-JOINTS Steel | SIKLA 5
- RF-JOINTS Steel | Column Base 5
- RF-PIPING 5
- RF-PIPING Design 5
- RF-FRAME-JOINT Pro 5
- Cranes and Craneways
- Building Information Modeling (BIM)
- Eurocode 3
- Eurocode 9
- DIN 18800
Internal Forces at Certain Nodes in Printout Report
Where can I find the internal forces at certain nodes in the printout report?
Design of Asymmetric Cross-Section
I design an asymmetric cross-section and get the message: "Non-designable: ER051) Moment about z‑axis on asymmetric cross-section, taper or set of members." Why?
Export of Nodal Support Forces to Excel Spreadsheet
I would like to export nodal support forces of several load cases, load combinations, and result combinations into an Excel spreadsheet. How should I proceed?
Holes in Steel Members
How can I consider holes in steel members?
Graphical Display of Nodal Displacements and Rotations
I would like to display global deformation with values, ideally colored according to size. Is it possible to set this?
Entering Cross-Sections
In my model, I use members with the cross-section IPE 140. Why does the cross-section of the members change if I add new members as IPE 200? How can I enter different cross-sections?
Coupling of surfaces
How can I model a coupling of superimposed surfaces that only borders on one line?
Tapered Built-Up Sections with Holes for Design
Is it possible to model and design tapered castellated beams in RF-STEEL AISC?
Bending Design of Block Foundations
How is the static depth d calculated in the bending design of block foundations (calculation as equivalent beams)?
Considering Column/Support Settlement in Model
How can I consider a column/support settlement in the model?
Renumbering Cross-Sections and Materials
Is it possible to renumber cross-sections and materials in RFEM and RSTAB?
Design of Strip Foundation
Unfortunately, I cannot find any information about how to design a strip foundation in RFEM. Is this not possible? What would be the alternative option?
Generate truss
Is it possible to quickly generate a truss girder with RFEM and RSTAB?
Displaying Moved Project Navigator
The Project navigator has been moved to another screen and I cannot manage to display it again. What should I do?
Shrinkage and Creeping Parameters
Is it possible to set the parameters for the shrinkage and creeping calculation in RF‑CONCRETE Members?
Altitude Level of Model
I saw somewhere that it is possible to set the ground level for a model in RWIND (for example, for a model with a basement). Unfortunately, I cannot find where to set this.
Using Couplings in Model
I would like to use couplings in a model. What is the difference between the coupling, dummy rigid, and rigid members?
FAQ 003180
I would like to convert the load from a surface load to a line load; that is, to apply it to the individual beams. How can I do this without using an auxiliary area?
Stability Design in RF-STEEL AISC
Why are my steel members not being designed for stability in RF-STEEL AISC?
Invalid Material
Why do I get the message "Invalid material" in the RF‑/STEEL add-on module when using stainless steel?
CSA S16 Class 4 Section
My section is classified as Class 4 and non-designable in RF-/STEEL CSA. However, my manual calculation shows a different class. Why the difference?
Concentrated Loads on Curved Surface
How can I apply concentrated loads to a curved surface?
Temperature Loads on Composite Beam
How do I define temperature loads on a composite beam?
Defining Surfaces
Can I define surfaces with any number of boundary lines?
Imposed Loads with Stiffness Modifications
I have defined temperature loads, strain loads, or a precamber. Once I modify stiffnesses, the deformations are no longer plausible.
Importing Properties of Another Element
Is it possible to transfer properties, such as the cross-section, or the surface thickness as well as the material of a surface, of an existing element to a new element?
Question
I have created a very simple model to check the manual calculation. I cannot get the expected results. Could you please help me?
Question
Is it possible to deactivate the minimum internal forces for the graphical display of the result combinations, so that only maximum values are shown?
Question
How is it possible to add or remove tables in the printout report?
Question
When should the punching load be determined with the (un)smoothed distribution of the shear forces at the critical perimeter?
Question
How can I graphically display the determined load increasing factors ß from the RF‑PUNCH Pro calculation?
Question
I would like to perform punching shear design on a column with downstand beams as a wall corner or wall end. However, the module applies an internal column. Is it possible to adjust it?
Question
The display of result values is too inaccurate. Where can I adjust the settings so that more result values for member internal forces are visible?
Question
Are the result values in FE elements averaged, or do they refer to the nodal values? Where can I set this?
Question
How is the friction set on a member hinge via the COM interface?
Question
Is it possible to set user-defined values of the standard in RF‑GLASS?
Question
When using the "Import Support Reactions as Load" function, I get the message "No surface has been selected upon which the load is to be applied." What is the reason for this message?
Question
Can I also use the load generator for the members that do not rest in one plane?
Question
In my Dlubal Software programs, I have the problem that the umlauts and special characters cannot be displayed. How can I change this?
Question
I have numeric stiffnesses of my members. How can I assign the stiffnesses to a member without having to create a notional material and a cross-section?
Question
How do I apply prestress to tension members?
Question
How can I apply a linearly variable load in Z, such as earth pressure, to a hopper-shaped rotated surface that acts in the XY plane but is oriented towards the central axis of the rotated surface?
Question
Is it possible to design bidirectional ribbed plates, unidirectional ribbed plates, or hollow core slabs in RFEM?
Message | Material Does not Meet Requirements of Current Standard
I get a message saying that my material does not meet the requirements of the current standard. How can I correct it?
RWIND 2 Trial
Can I download a trial version of RWIND 2?
Question
The scale of my graphic is not displayed in the printout report. How can I change this?
Question
How do I model a suspended membrane roof structure with line supports?
Question
How can I change the calculation parameters of a load case using the COM interface?
Deformations of Craneway
I am trying to manually check the deformations from the CRANEWAY add-on module. However, I obtain large deviations. How to explain the differences?
Question
In the RF‑/STEEL add-on module, I am trying to design a cross-section created in SHAPE‑MASSIVE. However, the cross-section is classified as invalid. What is the reason?
Question
Why are the values of a column base, head, or center on the individual columns only displayed partially for the results from the calculation in RF‑CONCRETE Columns?
Question
How can I perform the stability analysis in RF‑/STEEL EC3 for a flat bar supported on edges, such as 100/5? Although the cross-section is rotated 90° in RFEM/RSTAB, it is displayed as lying flat in RF‑/STEEL EC3.
Question
Why do I get major differences for the design of a longitudinally stiffened buckling panel in comparison with the German and Austrian National Annexes?
Question
Why does the Geo-Zone Tool web service show more results than the graphical map display on the website?
Question
How do I model a tent roof with two cone tips?
Question
Is it possible to keep the results from RWIND Simulation when deleting the FE mesh if I only adjust materials or support conditions?
Question
Why does the vertical position of a result member in my model have no influence on the bending moment My of the member?
Question
How can I use the COM interface to delete all nodes or members in a model, for example?
Question
How is the entry of the turbulence intensity related to the profile of the turbulence intensity in the RWIND Simulation program?
Question
After installing RSTAB version 8.25, the cross-sections seem different than before - much darker. Is there anything I can do about it?
Question
Is it possible to set user-defined values when viewing solid stress results?
Question
How can I create a nodal support with a nonlinearity diagram via the COM interface?
Question
How do I enter the temperature difference for a T‑beam defined as a rib?
Question
When performing the fire resistance design with TIMBER Pro, I get Error 10001. How can I fix the error?
Question
When evaluating line supports in result combinations, it is possible to select an average for the "sum of result combination" and the "displayed mean values". What does the "Sum of Result Combinations" feature include?
Question
I have selected all the members available for design in RF‑/TIMBER Pro. Why are the tapered members not designed?
Question
How can I model and design a crane runway girder with Dlubal Software?
Question
In RF-/TIMBER AWC and RF-/TIMBER CSA, I receive the error that says torsion limit exceeded. How do I bypass this error message?
Question
How can I switch to full-screen mode on the Geo-Zone Tool website "Snow Load, Wind Speed, and Seismic Load Maps"?
Question
After installing SHAPE-THIN, I receive Error 1000: Error in Material Library. How do I resolve this?
Question
Do you also offer student versions of the programs RFEM and RSTAB?
Question
Why is the strength always reduced by the kmod value of 0.6 during the calculation in the RF‑LAMINATE add‑on module, although I have load combinations with variable loads?
Question
For design in FRAME‑JOINT Pro, I get Error No. 30011 "The selected nodes have different geometry [...]." How can I design my connection?
Question
Is it possible to display the load cases and load combinations related to a result combination that lead to the maximum/minimum result?
Question
Can I consider a reduction of the stiffness according to the German regulation NCI NA.5.9 in TIMBER Pro?
Question
How do I install the network license (NET softlock) on the server?
Question
What should be considered when using a failure of columns under tension in the RF‑/DYNAM Pro – Equivalent Loads add-on module?
Question
Why is no stability analysis displayed in the results despite the activation of the stability analysis in RF‑/STEEL EC3?
Question
The authorization fails when starting the program. It seems that the dongle is damaged. What can I do?
Question
I have generated a trapezoidal area load. When displaying the load separately, I can only see constant loads on members. How can I change it?
Question
How can I create a curved or arched section?
Question
How can I change the colors of the selection and preselection?
Question
How are the signs for the release results of a line release and line hinges interpreted?
Question
When opening a file, the following message appears: "The model '1' is not linked to a project. Would you like to create a new project for this folder?" Is it possible to deactivate this message?
Question
How can I obtain weld stresses between two surfaces?
Question
Where can I find the exact standard description for the "map" component of the Geo-Zone Tool web service query?
Question
How can I use the COM interface to read out the global or local deformations of members?
Question
Is it possible to make the generated member loads from area loads via plane act eccentrically on the member cross-section?
Question
After calculation in the RF‑/DYNAM Pro - Equivalent Loads add-on module, the size of my file has increased significantly. The performance has worsened enormously. What could be the reason for this?
Question
How are hot-dip galvanized components considered for fire resistance in the RF‑/STEEL EC3 add-on module?
Question
How is the rotational stiffness of a buckling stiffener determined in PLATE‑BUCKLING?
Question
Why are my imperfections displayed graphically in different ways, and can I adjust the display?
Question
What happens with the programs and add-on modules in the event of the timeout of a network license? And how can I increase the timeout?
Question
Is it possible to manually specify a longitudinal reinforcement for design in RF‑PUNCH Pro?
Question
Is it possible to analyze panes of insulated glass without climatic load for check purposes?
Question
Is it possible to design the support pressure or the compression perpendicular to the grain in RX‑TIMBER?
Question
After the design was performed using RF‑/TIMBER Pro, I optimized a cross-section. Why is the utilization of the optimized cross-section exceeded now?
Question
Can I simulate the cracked state of a concrete cross-section for a bending beam with the "Isotropic Nonlinear Elastic 1D" material model?
Question
Why is the deflection of a reinforced concrete floor sometimes greater when selecting a larger basic reinforcement?
Question
Why are the stresses of the 90° orientation not displayed for a layer with the orthotropy direction 90° for σb,90 in RF‑LAMINATE?
Design of Load Case
Why is it not possible to select a load case for design in the add-on module, although it is defined within loads?
Question
I have a question about message No. 47 in RFEM. What is the exact meaning of the word "integrate"? What is the resulting effect?
Question
Does load generation also work for curved members?
Question
If I do not specify a basic reinforcement in RF‑CONCRETE Surfaces, I obtain the value X as an additionally required reinforcement. If I enter this value X as the provided basic reinforcement, I correctly do not get any additional required reinforcement.However, if I enter a value lower than the determined required total reinforcement as the basic reinforcement, the additionally required reinforcement is increased in such a way that the originally required reinforcement content is exceeded. Why?
Question
When trying to create an FE mesh, I get an error message. I cannot find any mistakes. Something seems to be wrong with the surface axes.
Question
When calculating a cross-section in SHAPE‑THIN, I get the error message that Fy is not positive.
Data Exchange via ISM Interface
When trying to exchange data via the ISM interface, I get the error message that the Bentley Structural Synchronizer is not installed on my computer when importing into RFEM. However, I have both programs installed on my computer.
Question
Why does the RF‑CONCRETE Surfaces add-on module not increase the amount of reinforcement until the SLS design checks have a design ratio of 1.0?
Question
How can I apply a temperature load to a surface using the COM interface?
Question
Although the current authorization file has been loaded, the program runs as a demo version.
Question
How can I apply wind load distribution to a cylinder according to EN 1991‑4, Section 7.9?
Question
I can only undo one action in my model. Is there any setting for this?
Question
How can I increase the minimum shear reinforcement in RF‑CONCRETE Surfaces?
Question
What are the possible effects of renumbering elements on the printout report and the add-on modules?
Question
In RF‑/STEEL EC3, is the "Elastic design (also for Class 1 and Class 2 cross-sections)" option under "Details → Ultimate Limit State" considered for a stability analysis when activated?
Question
I am designing a tapered beam and I get the message "Non-designable: ER051 Moment about z-axis on asymmetric cross-section, taper, or set of members". Why?
Question
In my model, some surfaces are displayed in gray, while others are displayed in white without a gray filling. The "solid transparent" display type is selected for the graphics. How do I display all surfaces in gray?
Question
Is it possible to use an average region in the result from contact stress?
Question
Is it possible to run Dlubal Software programs on a Mac?
Question
After calculating the cross-section data, an ellipse is displayed in the cross-section. In addition, wide lines above the x- and y-axis can be seen next to the coordinate system. Which displays are we talking about here? How can I deactivate it?
Question
Why can I not change the concrete cover for different reinforcement directions independently?
Question
How can I get the member end forces to design the connections?
Question
What is the optimal wind tunnel size in RWIND Simulation?
Question
Is there the ability to apply the adjusted wind tunnel dimensions in RWIND Simulation for all wind load cases instead of making the revision manually for each load case?
Question
For a ceiling slab calculated in RFEM, I would like to display the resultant of the support forces in one specific line support considering a single load case. The aggregate resultant of all support forces in a load case can be displayed. How can I display the resultant of the selected line support?
Question
I cannot manage to correctly import the cross-section from a dxf file into the SHAPE‑THIN program; the imported cross-section is in the wrong plane. What can I do?
Question
In which drawing plane must a cross-section be drawn in a CAD application so that it can be imported into SHAPE‑THIN using the dxf import?
Question
How can I create a drilled beam in RFEM?
Question
How can I perform the design of the tension resistance of a smooth column in a smooth bucket column base; that is, the design against pulling out the column?
Question
I have installed Rhino 7. When trying to export the model to RFEM, the data are not transferred. What am I doing wrong?
Question
How can I find out in which version of RFEM/RSTAB the model was saved?
Question
What are the costs of Dlubal Software service and maintenance?
Question
How is an inflatable object simulated in RFEM?
Question
I design timber components. The deformations of the load combinations deviate from the manual calculation by exactly the coefficient of the material partial safety factor. Why?
Question
I often edit the reinforcement provided by the program. Adjusting the reinforcement using coordinates takes a lot of time and effort when I have several beams in the model. Is there any way to speed up the reinforcement editing?
Question
I have already divided my membrane roof into individual surfaces. Can I quickly create a cutting pattern from these surfaces?
Question
How do I display the load combination description according to an action category, such as "D, L, W" instead of "LC1, LC2, LC3"?
Question
I would like to import a large, curved surface from Rhino into RFEM, but I get the following error message: "Command: ExportToRFEM5. Nodes compare tolerance is set too low. You could adjust it by document units settings. Export error. Error to write data, message: Coordinate Z is out of range. Export to RFEM finished." How can I fix this error?
Question
How can I define a material allowance at the edge of a cutting pattern?
Question
How can I edit the list of parameters using the COM interface?
Question
I would like to perform seismic design of an irregular structure. Does RFEM automatically carry out the modal analysis (consideration of multiple vibration modes) on the spatial system, or do I have to use special settings for this?
Question
When defining my material, I get Warning No. 1136 and cannot continue working. How can I prevent this warning?
RF-/STEEL Warping Torsion
For which programs is the STEEL Warping Torsion add-on module available?
Question
In the RF‑/STEEL EC3 add-on module, I obtain an extremely high design ratio for a member in the case of "Biaxial bending, shear and axial force". Although the axial force is relatively high, the design ratio seems unrealistic. Why?
Question
I have entered a structural system with the "z-axis directed upwards". Some directions are now incorrect when defining upstand and downstand beams and displaying the required reinforcement.
Question
I have modeled a structure made of outer and inner cables as well as membranes, and get a message about instability or the error message "Jacobi matrix is not positive definite" in the RF‑FORM‑FINDING add-on module. What should I do?
Question
What are the options for unifying solids?
Question
How can I display the result diagram in a solid?
Question
I have defined ten load cases and would like to add two load cases – after the third load case. Is this possible?
Question
What is the easiest way to include the graphical results of several load cases in a printout report? Until now, I have just clicked every single load case and printed it into the graphic.
Question
How can I determine the deformation in the cracked state of concrete using the a) required minimum reinforcement, b) required calculated reinforcement?
Question
How do you define the descriptions of various reinforcement results, such as the required reinforcement?
Question
Does the Grasshopper plugin require a special license (for example, RS‑COM)?
Question
In my model, I have to consider construction stages with nonlinearities, so I have to work with load combinations already include the self-weight.I have several load combinations to analyze and evaluate for the first construction stage as well as the second construction stage.The load combinations from the first construction stage do not occur in the second construction stage.I am not sure how to assign the load combinations in the construction stages (permanent or temporary).
Question
Why do I get such a small amount of reinforcement for the upstand beam? The amount of reinforcement for the downstand beams is significantly larger.
Question
How are the creep and shrinkage for columns considered in RF‑CONCRETE Members?
Question
Why do I get low supporting moments for a single-span beam? There is an eccentricity assigned to the single-span beam.
Question
How can I run the RX‑TIMBER Frame plugin? I did not find it in the Add-on Modules menu or in Project Navigator - Data.
Question
How can I use the "Connect Lines or Members" function via the COM interface?
Question
I would like to import a dxf file with a long file name into RFEM/RSTAB. Unfortunately, I get the error message that the file cannot be found. What should I do?
Question
Which filter settings should be selected in the material library for concrete in order to perform design in RF‑CONCRETE according to the Swedish National Annex? In RFEM, no Swedish standard group is available for the selection.
Question
I noticed deviations from my sources in the online service "Snow Load, Wind Speed, and Seismic Load Maps". Where can I find information about the sources of your online service?
Question
I have analyzed two models of an inclined bored pile as a support with defined spring stiffness. A surface that can be moved horizontally (globally) is used for the force transmission. The bored pile in Model A is a support inclined by 15° with a spring stiffness of 2,000 kN/m in the axial direction. The bored pile of Model B is a support with the defined spring stiffnesses, divided into the respective horizontal and vertical components. The value of the spring stiffness is always the same (2,000 kN/m). In my opinion, both models are equivalent. Why are there different results in the deformation anyway?
Question
Warning 282449 appears: "Lines Nos. ... are equal". Do identical lines have an effect on the calculation? Do I have to delete identical lines?
Geo-zone tool
I noticed deviations from the map of DIN EN 1998‑1 or DIN 4149 in the online service "Geo-Zone Tool: Snow Load, Wind Speed, and Seismic Load Maps". Can you tell me which map is current and thus governing?
Question
I have just noticed that the STEEL EC3 add-on module also calculates with γM0 = 1.0 when designing a tension member, although it should actually be γM2 = 1.25. How can I perform the design correctly?
Question
How can I export the reinforcement results from RF‑CONCRETE Surfaces to Excel?
Question
Why does the FE mesh of my conical membrane look angular after the form-finding?
Question
I have a question about the results of the serviceability limit state design: How is the increment of the dead load by the factor of 1.8 and the imposed load by 1.48 explained in the result combinations for the SLS design?
Question
In the current program version of RFEM, the calculation no longer converges. I have already calculated the model in different RFEM versions:
RFEM 5.21.02 - Calculation converges
RFEM 5.23.02 - Calculation does not converge
RFEM 5.24.01 - Calculation does not converge
Question
Does RF‑LAMINATE perform the design of a net cross-section?
Question
How can I display the vertical deformation of a column in state II? I cannot find this setting for the serviceability limit state design.
Question
In the filter settings for the values on surfaces, you can display a certain range of results and hide the rest. How can I hide a certain range of values and display the rest?
Question
How do you distinguish between the response spectrum with equivalent loads method and the response spectrum without equivalent loads method in RFEM and RSTAB?
Question
The RF‑CONCRETE Columns add-on module cannot determine sufficient reinforcement. However, the columns can be designed easily in a comparative calculation. Can you help us?
Question
Is it possible to design intermittent welds in the CRANEWAY add-on module?
Question
For a buckling analysis, PLATE‑BUCKLING determines the governing shear stress of τ = 7.45 kN/cm², while RF‑/STEEL gives the result of the maximum shear stress of τ = 8.20 kN/cm². Where does this difference come from?
Question
How can I increase the maximum number of iterations in RFEM/RSTAB?
Question
How can I read out the resultant of a section via the COM interface?
Question
I am trying to import a model from cadwork. Unfortunately, I cannot correctly transfer the cross-sections from cadwork to RFEM. Do you have any tips?
Question
Is the preset crack width of, for example, wk = 0.3 mm also designed for primary cracks? According to the manual, the average strain is considered. Does this ensure that the primary crack does not exceed the value wk = 0.3 mm?
Question
Why do I get a design ratio for the cross-section check according to 6.2.9.1 in the STEEL EC3 add-on module? Why is an * added to Equation (6.36)?
Question
Where can I adjust the effective length lef according to Table 6.1 of Eurocode 5 in the TIMBER Pro add-on module?
Question
The TIMBER Pro add-on module seems to multiply the shear stress by 1.5. However, the Eurocode does not specify any additional factor. How do you explain this difference?
Question
I am designing a frame with a taper (a docked cross-section). STEEL EC3 classifies the taper in Cross-Section Class 3. Accordingly, the elastic resistances are taken into account, which is very unfavorable. According to the standard, the taper should be categorized in Class 1, and thus the plastic reserve should also be usable.
Question
When importing a model directly from AutoCAD, the shape of the "spline" is sometimes incorrect.
Question
When modeling a beam connection to a continuous column, I have the problem that the column flange fails under bending. If I add backing plates in the FRAME‑JOINT Pro add-on module, nothing changes for all design ratios. Why?
Question
Is it possible to display more values for the stress distribution over the layers in RF‑LAMINATE?
Question
How is the position of the additional reinforcement considered in RF‑CONCRETE Surfaces when determining hc,ef?
Question
How does RF‑STABILITY or RSBUCK determine the buckling load? According to the manual calculation, the respective buckling loads should be about 10% higher.
Question
How is the buckling load determined in RSBUCK if the most unfavorable value is transferred from RSTAB for a non-constant axial force distribution?
Question
On the dlubal.com website, I discovered that you can display results along a line and enter points manually. Where can I find this result view?
Question
I have program version 5.24, and the calculation takes longer than in the previous versions for the same model. What is the reason for this?
Boundary Moments in Warping Torsion
I use RF-/STEEL Warping Torsion to design an eccentrically modeled wall beam, which is loaded transversely with a distributed load. While the bending moments in the main program are zero at the member start and member end due to the hinges, RF‑/STEEL Warping Torsion outputs moments there. Thus, the span moment is reduced incorrectly. How do I get the boundary moments to zero?
Question
How to model a cable net structure in using the RF-FORM-FINDING add-on module?
Question
How can I delete the copies of generated nodes?
Question
How is the support spring calculated for a wall?
Question
I would expect the results from my load combination (CO) set to a linear analysis to equal the summation of the results from my load cases (LC) also set to a linear analysis. Why do the results not match?
Question
How can I design dowel-laminated timber (DLT) or nail-laminated timber (NLT) in RFEM?
Question
For a tapered member, I get the error message "Cross-section tapering mismatch". What can I do?
Question
I get the error message "Entry in the 'Beam spacing' box is not within the allowable range". What can I do?
Question
For my bachelor's thesis, I would like to integrate the RSTAB printout report in LaTeX. It is possible to completely integrate a PDF document, as shown in the viewer. This works with any PDF document, but not with the printout report created in RSTAB. What could be the reason?
Question
I have defined a wind profile for RWIND Simulation up to a height of 100 m. Is the wind profile dependent on the size of the wind tunnel?
Question
I am calculating deformations at time 0 and at time infinite. The deformations at time infinite seem plausible. The deformations at time 0 seem significantly smaller and thus implausible. Why?
Question
How can I teach the program to automatically increase the longitudinal reinforcement when calculating the deflection of slabs in order to meet the preset deflection?
Question
How can I set the deformation coefficient kdef in the program?
Question
Does the program use different values of the modulus of elasticity for different temperatures? How do I activate them?
Question
I cannot find a reason why no plastic design is performed for the cross-section of Class 1. Normally, it is necessary to select the check box for elastic design.
Question
I am using the COM interface and Grasshopper for the calculation of complex structures. For this task, I need to create NURBS lines. Could you explain how to set NURBS? For example, what kind of data should be provided for knots?
Question
I would like to move some elements. When moving them, my members are deleted; what is the reason?
Question
How is the load distributed to the members in the angular axis method if the members are excluded from the load application?
Question
How do I activate pipeline modeling?
Question
A rigid member should only be able to absorb tensile forces or compressive forces. What are the options for considering these nonlinearities in the calculation?
Question
How can I delete the RWIND Simulation results in an RFEM or RSTAB model?
Question
What type of information is graphically displayed when hovering over an object with the cursor?
Question
How can I place a section plane in the model to hide distracting zones?
Question
When I select a surface by clicking it, the nodes and lines belonging to the surface are not included in the selection. Is there any possibility to integrate them?
Question
Is it possible to display the RWIND Simulation results in ParaView?
Question
Does a user-defined layer composition in RF-LAMINATE need to be shared separately with other users along with the RFEM model file or is this information stored directly in the RFEM file?
Question
I applied a unit load of 1 kN/m² to the top slab of a 3D model consisting of three identical floors to determine the spring stiffness of the supports from axial forces and deformations of the columns for 2D modeling of the slabs. Despite deactivating the self-weight of the structure, the column axial forces are redistributed story by story. Is it possible to deactivate this effect?
Question
How can I define a concentrated moment in the middle of a surface?
Question
Is the load on beams correct when transferring the data of the crane data sheet to CRANEWAY with the correct sign?
Column Base with Stiffeners
Is there an add-on module that I can use to design a restrained column base with stiffeners on both sides of the column?
Frame Joint
Is it possible to use one of the RFEM 5 / RSTAB 8 add-on modules to design a frame joint with a docked beam, stiffeners, and any number of bolt rows?
Question
Windows Defender does not allow me to install RX‑TIMBER. Is it possible to get around this?
Question
For the direction of internal forces, there are four options for smoothing the internal forces under the "Grouped" selection box. Which grouping should I select here?
Question
It is not possible to click OK in the wind load generator for a duopitch roof. How should I set up the generator so it will be possible to generate the load?
Question
The installation of a Dlubal Software program is not possible due to the following message: "Program unsafe, protection by Microsoft Defender SmartScreen". How can I install the program?
Question
How can I perform a stability analysis for a tapered member?
Question
I have modeled two nodes on a surface in RFEM. The results do not show the displacement at these two nodes. How can I obtain it?
Question
I would like to export the reinforcement of a slab in the Nemetschek format. However, no setting is available in the following window after selecting the surface.
Question
I want to support a member along its line. When defining a fixed line support on the line of a member, the check leads to an error message regarding an undefined surface. How can I fix the problem?
Question
How can I display the deformation values of the individual intermediate nodes on members?
Virus scanner
I cannot open RFEM and RSTAB anymore: nothing happens when double-clicking the icon! Also, no error message is displayed. Restarting the computer did not help, either.
Question
How can I quickly transfer a modified value to the other rows in the input table of an add-on module?
Question
Does RFEM integrate with Autodesk Inventor?
Question
How can I consider a hole in the web only near the support? The parametrization can only be applied to centrally arranged holes with the same distance.
Question
Is it possible to use different stiffnesses for the x and y directions of a surface in RFEM?
Question
How is the Cp coefficient of the surface result determined in RWIND Simulation?
Question
How can I change the details and the National Annex in the STEEL EC3 add-on module using the COM interface?
Question
How can I change the line width in RSTAB?
Question
How can I model a weld, for example, as a fillet weld?
Question
Is a load considered within the surface for "Nodal support with column"?
Question
How can I import an IFC model into the RWIND Simulation environment?
Question
Why is it not possible to use result combinations in RF‑STABILITY? It is possible in RSBUCK.
Question
How can I transfer the effective lengths of members using the COM interface?
Question
After opening a duopitch roof beam from RX‑TIMBER in RFEM/RSTAB, it is displayed with a gap in the apex zone. Does this affect the calculation?
Question
What languages are available in Dlubal Software programs?
Question
RFEM cannot be started. What could be the reason?
Question
Is it possible to display the results of shear forces on a member in the horizontal plane?
Question
How can I import the authorization file into SHAPE‑MASSIVE?
Question
How can I additionally model welds for the connection of two surfaces with a contact solid?
Question
How are the internal forces for a downstand beam (rib) determined in RFEM?
Question
How can I specify the reference material in composite cross-sections?
Question
When calculating a membrane, the resulting deformation of load case LC1 and combination CO1 differs, although combination CO1 only contains LC1 with the factor of 1.00. What is the reason for this?
Question
How can I create a user-defined coordinate system via the COM interface and assign it to a nodal support?
Question
How can I enter a member elastic foundation that only acts in one direction?
Question
Why can I only calculate seismic loads in one direction when using RF‑/DYNAM Pro?
Question
I would like to use surface releases to model a bolt connection that can only absorb compressive stresses from the support. Unfortunately, I cannot do this because my model is always unstable. Is there a template model?
Question
I would like to enter a varying member load, but the load parameters are grayed out. What should I do?
Question
How do I display nodal displacements graphically?
Question
Can silos/tanks be exported from RFEM to Revit?
Question
How can I remove graphics from a printout report?
Question
Although I have deleted the area load plane, the members are still loaded. Why?
Question
I would like to perform a stability analysis of the upper flange in a long truss. What is the best way to proceed?
Question
Is it possible to display the interactive Geo-Zone Tool map with the load zone entries digitally as an image using a web service?
Question
How can I display the deformation in the current construction stage and in relation to the initial system in RF‑STAGES?
Question
I am performing a design in RF‑/STEEL AISC for result combinations from RF‑/DYNAM Pro and get the error message "Not designable - Null value of the critical moment on the segment". What should I do?
Question
Why does the deformation of a modeled single-span beam not correspond to the manual calculation?
Question
How can I display only positive values in the value scale?
Question
My connection cannot be designed due to an incorrect geometry input. What can I do?
Question
I get the following message when starting all installed Dlubal programs (also when running as administrator): "The application was unable to start correctly (0xc0150002)". What can I do?
Question
How do I obtain the connection forces of a deep beam that is rigidly connected to other surfaces?
Question
Is it possible to create visibilities using the COM interface?
Question
Does the nonlinearity that can be activated for a surface support in the z‑direction refer to the entire supported surface, or only to the areas that correspond to the nonlinearity?
Question
What are the StandardID and AnnexID of various National Annexes for processing using the COM interface?
Question
How can I display the result values on surfaces in the middle of a finite element?
Question
How can I change the font color of the guideline numbering?
Question
I have defined a member on a polyline. Now, I get an error message saying that there is an unsupported member type when performing a deformation analysis of this member. What is the cause and how can I fix it?
Design of SHAPE-THIN Section
How can I design any SHAPE‑THIN cross-section in detail in RFEM 5 or RSTAB 8?
Question
How can I assign a common eccentricity to several different cross-sections at once?
Question
In connection with a calculation according to the large deformation analysis, I get significantly smaller deformations than for a calculation according to the linear static or second-order analysis. How is this possible?
Question
How can I change the display of the arrows for punching loads in RF‑PUNCH Pro?
Question
Where can I find the action category for cranes in my load cases?
Question
How can different members or cross-sections be rotated at once?
Question
When creating the printout report header, the path to the company logo must be entered manually after each update. Which path should be selected here?
Question
How does the activation of the precamber imperfection work?
Question
Is it possible to deactivate the stability analysis by member within a case in the RF‑/STEEL EC3 add-on module?
Question
In SHAPE‑THIN, I get an error message saying that the material library cannot be opened. I have reinstalled the program and integrated the material library of another computer, but without success. What should I do?
Question
Is it possible to extend the computing times by using a graphics card that is not recommended, or does this only affect the display?
Question
When designing a ring beam, I usually have Mz moments, which creates the compression and tension zone on the right and left of the cross-section. However, the reinforcement in CONCRETE is arranged at the top and bottom of the cross-section. How can I set the reinforcement to be arranged on the right and left?
Question
How can I graphically display the effective lengths of members?
Question
After activating a layered FE mesh, the axis orientation is automatically reset to the default. How can I keep the defined axes after layering the FE mesh?
Question
The calculation of a file runs smoothly for my colleagues, but I get the message "Calculation stopped" for the same file. What should I do?
Question
How can I change the colors of user-defined visibilities for a screen and a printout report?
Question
How can I change a user-defined visibility?
Question
I have modeled a continuous beam with elastic foundations that is stressed by a constant line moment. Why is the message about instability displayed after the calculation?
Question
How can I create a trapezoidal hollow section?
Question
The technical article about a result beam says that it should rest in the center of gravity of the considered objects. Does this mean the centroid of stiffness? Can I display it graphically with coordinates?
Question
Can I consider a shear force reduction with the RF‑/TIMBER Pro add-on module?
Question
How can I model any cross-section as a floor beam in RFEM?
Question
In which case is it necessary to activate the self-weight in load cases, such as wind?
Question
How can I retroactively apply a reinforcement to a modeled downstand beam?
Question
I have a model with relatively short members as couplings. The display of internal forces is confusing due to the short members. Is there any way to display the internal forces so that they are legible?
Question
When starting Dlubal Software programs, the error message "Server is busy" appears. My colleagues do not experience this problem. I have already tried reinstallation. What should I do?
Question
I would like to design the connection of the diagonals of a truss with a steel lower flange and timber diagonals. Is this possible?
Question
Why is the surface pressure distribution in RFEM different from the corresponding surface pressure distribution in RWIND Simulation?
Question
Is it possible to also have RFEM output the area of each finite element along with its location?
Question
Are "rib" elements considered with Revit to RFEM integration?
Question
I cannot create a new model in Project Manager: The button has no function. Where is the problem?
Question
Why does RWIND Simulation not converge to the preset minimum pressure difference, but oscillates about a higher limit value?
Question
Is it sufficient to use a line hinge between two surfaces?
Question
What is the purpose of a fillet weld in SHAPE‑THIN?
- 004727
- RFEM 5
- RSTAB 8
-
- Concrete Structures
- Steel Structures
- Timber Structures
- Tensile Membrane Structures
- Structural Analysis & Design
- Finite Element Analysis
- Wind Simulation & Wind Load Generation
- Stability Analysis
- Dynamic and Seismic Analysis
- Form-Finding and Cutting Patterns
- Cold-Formed Sections
- Eurocode 1
- Eurocode 3
- Eurocode 5
Question
Are the models and presentations from Info Day 2020 freely available, and can you send them to me?
Question
In my structure, a channel section runs flush with a surface. What is the easiest way to simulate a welded connection?
Question
In my structure, a channel section runs flush with a surface. How can I display the welded connection in detail?
Design of Member Sets
I am designing a set of members using RF‑/STEEL EC3. In accordance with the manual calculation, the design is fulfilled, but it cannot be performed successfully in the add-on module. Why?
Question
How can I delete the individual loads by load case?
Question
In RF‑PUNCH Pro, I get an error message saying that the selected edges of the surface do not converge to a corner. What does this mean? How can I fix the error?
Question
How can I shorten a member by a certain amount?
Question
How can I define individually or simultaneously acting load cases from different actions?
Question
Can I create a user-defined load or result combination even though they are created automatically?
Question
Can I optimize all cross-sections in my model quickly using internal forces?
Question
How can I change the colors of member hinges for a screen or a printout report?
Question
In my structure, there are three load cases on the left, which should act individually with each other, and three load cases on the right, which should act individually with each other. However, the individual load cases should be combined with those on the other side. How can I set these conditions?
Question
In RFEM, is it possible to set a symmetry axis for a symmetric structure so it would be necessary to only model and calculate half of the structure?
Question
In the "Edit Load Cases and Combinations" dialog box, the load case description is displayed in black in the "Load Combinations" tab. Is it possible to set the font color of the selected load combinations to be displayed in white to make the descriptions readable?
Question
When calculating deformations in RF‑CONCRETE Members, I see inconsistencies in the deflection diagram. Why?
Question
Is it possible to couple members with solid elements?
Question
Which cross-sections can I design with the "RF‑/STEEL Cold-Formed Sections" add-on module?
Question
How can I display shear stresses on null elements in SHAPE‑THIN?
Question
What setting should I make to display all local extreme values of member internal forces in my structure, not just an extreme value of the entire model?
Question
How can I select objects via the COM interface?
Question
My panel has suddenly disappeared. How can I restore it?
Question
How can I retroactively print an image of my model without loading and without reference to a load case into the printout report?
Question
How can I model a timber panel wall with RFEM?
Question
What is the meaning of "Common Surfaces" in RF‑PUNCH Pro? Do I have to set anything here?
Question
I do not obtain any deformations in the results of the calculation with RF‑CONCRETE Surfaces. What can be the reason?
Question
I get Error 108 when designing steel stress in RF‑CONCRETE Surfaces. Why?
Question
Why does a surface with complete foundations become unstable after dividing it and assigning a line hinge to it?
Question
I have two solids that are adjacent to each other, but not congruent. What should be considered in the modeling?
Question
Is it also possible to perform crack width analysis according to EN 1992‑1‑1, Section 7.3, in RF‑/FOUNDATION Pro?
Question
Rectangular loads are not displayed correctly. Do I have to adjust anything?
Question
At the edge of a surface, there is an opening into which a rigid surface should be inserted. I get an error message regarding the opening. What should I do?
Question
Why is a node I selected not displayed?
Question
How can I define the orientation of nodal supports in my structure to a specific member axis?
Question
How can I change the display of support forces from local to global for a rotated nodal support?
Question
I have modeled a line hinge, but I cannot see it on the corresponding line.
Question
When determining internal forces in RFEM, I obtain compression axial forces that do not arise in the design internal forces when designing in RF‑CONCRETE Surfaces. What is the reason?
Question
Is it necessary to enter the loads of a crane for each axle or wheel in the table of crane loads in Window 1.4?
Question
How can I quickly find all the members that are parallel to each other?
Question
How can I modify the FE mesh settings via the COM interface?
Question
Is it also possible to reduce the shear force on a support or perform design with the shear force at a distance d to the support in RF‑CONCRETE Surfaces?
Question
How can I graphically apply a member load to several members in RFEM 5 and RSTAB 8?
Question
How can I create visibilities via the COM interface?
Question
When performing "manual definition of the reinforcement areas" in RF‑CONCRETE Surfaces, do I have to completely reinforce the entire structural component manually? Or does RF‑CONCRETE Surfaces apply the required reinforcement in the areas where I have not performed the manual definition?
Question
How can I change the color of the black background?
Question
There is too little space in the table of contents with the two-column arrangement.
Question
I am looking for the possibility to automatically generate special structures or to load parameterized structures.
Question
Is it possible to import the coordinates of a line grid from Excel?
Question
After importing a file, some nodes do not rest exactly on a line. Is there any option to unify the coordinates?
Question
How can I copy a line grid?
Question
Is it possible to save a line grid as a pattern and reuse it later?
Question
A cable structure model created in RFEM 5.13 cannot be calculated in the current version of the program. The program displays the message "Stiffness matrix is singular", although it could be calculated in the original version. How can I fix this?
Question
How can I apply an oblique concentrated load to a member without dividing the member?
Question
How can I place a cross-section on another cross-section?
Question
How do I activate my newly purchased products when using a softlock network license?
Question
I get a message in the Project Manager saying that "Project already uses folder. Please specify a different folder." What is the background of this message, and how can I solve the problem?
Question
How can I adjust the size of a graphic in the short form printout?
Question
How can I display the results of an add-on module in the graphic in RFEM or RSTAB?
Question
When starting the calculation, a message appears saying that the maximum number of 9,999 load cases and combinations has been exceeded. What can I do?
Question
How can I model a line perpendicular to the next line from a particular node?
Question
In my model, there is a member that is only subjected to tension, but cannot be defined as a tension member, otherwise the model becomes unstable. After the calculation according to the second-order analysis, small moments arise. How can I redistribute these internal forces efficiently?
Question
How can I consider loads from the self-weight as "favorable" and "unfavorable" for the combinations?
Question
A member load should act in the direction of the negative local member axis z. How should the load be defined?
Question
I have set my beams unconnected to a column. Can I quickly correct this?
Question
Can I quickly halve or double the grid spacing?
Question
How can I transfer member properties to members that have already been created?
Question
For design with CONCRETE NL, is the creep applied to the entire cross-section, or only to the concrete compression zone?
Question
Why is it not possible to change the solving method for the equation system of my model?
Question
How can I change the design of the program interface?
Question
When I create a user-defined result value, the RFEM solver window opens briefly and the calculation is apparently performed again. Why? I have already performed the calculation.
Question
During the check in RF‑/DYNAM Pro, I get the message "No natural vibration case or dynamic load case has been selected for the calculation". Why?
Question
Which stresses are most important for glass design consideration when using RF-GLASS?
Question
Is it possible to model cold-formed sections in SHAPE‑THIN 8 and design them in RF‑/STEEL Cold-Formed Sections?
Question
I get the error "The stiffness matrix is singular!" for a calculation in RF‑FORM‑FINDING. What can I do?
Question
How can I define a slippage between two surfaces?
Question
When defining friction, there are two interaction relations. How do they differ? Should there not be an identical result when defining the same friction coefficients?
Question
Is it possible to design a crane runway girder without stiffeners on supports in CRANEWAY?
Question
I get Error No. 30855: "RWIND Simulation solver not found". Why?
Question
The critical perimeter at the wall corner in my structure looks strange. What can be the reason?
Question
Can I enter a provided basic reinforcement in RF‑CONCRETE Columns?
Question
Which interfaces are available for import?
Question
How many members can be connected to a node in RF‑/JOINTS Timber - Steel to Timber, and what is the minimum angle between the members?
Question
When generating an FE mesh, I get an error message saying that the definition lines of a surface are not closed. What should I do?
Question
I have performed a buckling analysis in RF‑ALUMINUM. Where can I find the parameters used for the design in the add-on module?
Question
Is it possible to automatically consider the rigidity of fasteners in the RF‑/JOINTS Timber - Steel to Timber add-on module when determining internal forces?
Design According to ÖNORM
Can I design a reinforced concrete structure according to ÖNORM in RFEM?
Question
How are the sign conventions for internal forces defined?
Question
As of the versions of RFEM 5.23 and RSTAB 8.23, glTF models can be exported or saved. What are they?
Question
For a specific combination expression, I would like to consider a load case with a combination coefficient that deviates from the standard. How can I proceed?
Question
Can I consider the normal force when designing a rigid end plate connection according to the DSTV guideline?
Question
I get a message saying that the General Method is only allowed for I-sections, even though I do want to design an I-section. Why?
Question
I have a flat surface with a line running through it. Why is the "Divide Surface" function grayed out?
Question
Which types of glued-laminated beams can be calculated with a raised dry joint?
Question
How can I determine the orientation of a nodal support perpendicularly to a line?
Question
I have entered a line support with "Wall in Z", but I cannot select the wall end for the design in RF‑PUNCH Pro. Why?
Question
I have the following problem when programming in VBA with RFEM lines: "No assignment to data field possible". What can I do?
Question
When modeling a wall, lifting forces that we cannot explain arise in the support area. Once the wall is not modeled and the slab is supported directly, we obtain plausible support forces. What is the error?
Question
When using a line release, I get an error message saying that the model is unstable. Why?
Question
I already have licenses, and now I would like to test an add-on module that I have not yet bought. How can I proceed?
Question
How can I create intersecting surfaces/solids without keeping the corresponding intersection?
Question
Where can I find the RF‑COM/RS COM add-on module?
Question
I would like to determine the resulting wind load for a building by floor. What is the easiest way to do this?
Question
Why do I get large differences in the results, both for the deformation and the bending moments, when applying the inclination via imperfection to a single member and an articulated set of members with the same total length?
Question
I get Warning No. 465: "Line [No.] is simultaneously used as a boundary line of a surface and an opening". Do I have to adjust anything?
Question
Is there any way to modify the cover sheet once it has been created?
Question
I have to model a curved member and would like to know how to do it with RSTAB.
RFEM 2D and RSTAB 2D
Why do I get a message that the authorization of the program has failed when starting RFEM 2D?
Question
How can I model a shaft with a cover that has a variable thickness?
Question
I get error messages when starting the COM examples of C#. What can I do?
Question
Why do I receive no stresses as a result for an orthotropic surface?
Question
Is it possible also to create a user-defined response spectrum in RF‑/DYNAM Pro?
Question
Is it possible to perform punching shear design on concrete surfaces assigned to the "Orthotropic" stiffness type?
Question
How can I enter or read out a response spectrum via the COM interface in DYNAM Pro?
Question
How can I incrementally apply the load of a load case to the model?
Question
For a single-span beam with a uniform load (M=q*l2/8), the moment graphic is not displayed as a parabola. The table result values are only correct at the maximum, but not at the other locations.
Question
I have edited the material in my model. When starting the calculation, I get an error message. What can be the reason?
Question
Is there any feature for quick generation of a girder grillage or a grid?
Question
For a line support, I get an error message saying that the line is not assigned to any surface. How can I run my calculation?
Question
Which static depth d is applied in RF‑PUNCH Pro for design on surfaces with a variable thickness?
Question
I would like to extend an existing structure with a false ceiling that is not connected to the existing columns. How can I model it?
Question
Why can I no longer display the intermediate results in RF‑CONCRETE Members?
Question
During the installation, I get a message saying that the files "hasplms.exe" and "hasplmv.exe" could not be deleted. What should I do?
Question
Can I use RF‑CONCRETE Surfaces to determine the steel mass for the inserted reinforcement?
Question
The definition of a result beam does not seem to be correct. There is no integration area and no results are displayed. What can be the reason?
Question
When calculating a cross-section, I get a message saying that the weld is not connected to two elements. What should I do?
Question
How can I delete a load case in the Project Navigator?
Question
I have calculated a box girder. Which surface results or surface stresses can I use to evaluate the buckling behavior of the web plates?
Question
I would like to calculate the results, such as ordinates, static moments, and stresses, at a specific location of a cross-section. What should I do?
Question
I would like to check the internal forces on a member. Can I display the axis system, and what do the internal forces refer to?
Question
How can I quickly transfer the settings of the Display navigator from one view to another?
Question
After importing an .stp file, my model is unstable. What can be the reason?
Question
How can I add cross-section details, such as a cross-section image, stress points, and others, to the printout report?
Question
I would like to use the export of visual objects to RWIND Simulation. How do I scale my visual object for the import?
Question
When calculating a stiffened panel, I get the message that the boundary c/t-zone of the panel is not supported. What should I do?
Question
When calculating a longitudinally stiffened panel, I get a message saying that the stiffener cannot be at the end of the panel. What should I do?
Question
When calculating a buckling panel, I get a message saying that some elements are connected to the panel, but they are not defined as stiffeners. What should I do?
Question
When selecting the elements for a stiffener of a stiffened panel, I get a message saying that at least one of the selected elements is a null element. What should I do?
Question
How can I display the stresses in the stress points in RF‑STEEL Members?
Question
How can I calculate stresses in SHAPE‑THIN?
Question
How can I change the display of deformation for members from colored cross-sections to lines?
Question
How can I rotate a single foundation in RF‑/FOUNDATION Pro?
Question
Which origin do the coordinates of guidelines refer to?
Question
When using line releases, I cannot understand the failure definition. To which axis do the nonlinearities "Fixed if positive vz" and "Fixed if negative vz" refer?
Question
When I want to print my model as "window filling" in the printout report, it sometimes happens that the comments and the font are cut off from the dimensions in the printout report.
Question
Window "1.2 Geometry", the "Supports" tab, provides the selection between none, rigid, or non-rigid stiffener. How does this affect the calculation?
Question
Is it possible to print graphics via the COM interface?
Question
For line releases, I obtain the resultants in the horizontal direction, which I cannot understand.
Question
How can I customize the font size and font style of guidelines and their descriptions?
Question
How can I read out the load distribution of a line load from a combo box in RF‑COM?
Question
What options are available for the serviceability data in RF‑LAMINATE to calculate the local deformation uz,local applied in the design?
Accidental Design Situation
Can I also use the automatic generation of accidental combinations for fire resistance, for example?
Question
In RF‑CONCRETE Members, I can display the rendering of a provided reinforcement in a structure. Is this also possible for the results from RF‑CONCRETE Surfaces? In the form of single members or meshes?
Question
Opening add-on modules is very time-consuming for very large models that have results. How can I increase the speed?
Question
How can I assign certain surfaces to a result beam in order to integrate internal forces?
Question
When entering a new material using the Diagram definition type, the first row is locked. How can I define the material?
Question
I have generated a surface from a restrained pipe cross-section. Now, an error message appears after the calculation, saying that the nodal loads and nodal supports are not connected. What should I do?
Question
In RSTAB, I would like to enter a rigid modulus of subgrade reaction for the translational, shear, and torsional springs. Which values do I have to define?
Question
How can I model several simply supported beams in a row in CRANEWAY?
Question
How can I assign a model file, which is currently not assigned to any project, to an existing project?
Question
The results of my model are available and displayed graphically, but without result values. How can I display the result values?
Question
Where on the foundation is the load applied in the design with FOUNDATION Pro?
Question
I can no longer open the dialog box to enter the soil profile in FOUNDATION Pro. Why?
Question
The characters "<" and ">" are no longer displayed on my PC. Instead, I get wrong symbols (circles) for design ratios in the add-on module or in the printout report. Could you tell me why?
Question
I have a SHAPE‑THIN 9 license, but I cannot transfer the created cross-section into the RFEM program. What is the problem?
Question
Why does an eccentric member receive axial forces, although it is only loaded by shear forces?
Question
In my model, the members are connected to each other diagonally. Is it possible to assign an oblique cut to the member ends?
Question
How do I get the actual member length of cables, for example, after the calculation in RF‑FORM‑FINDING?
Question
What are the advantages in terms of graphical rendering speed if I enable OpenGL hardware acceleration? What does it look like when using virtual machines?
Question
How can I consider eccentric load introduction for surfaces?
Question
How can I create member eccentricities in RF‑COM?
Question
How can I create member eccentricities in RS‑COM?
Question
Is it possible to combine several load cases in one load case?
Question
Is it possible to create RFEM/RSTAB files in Tekla without having an RFEM/RSTAB license?
Question
How can I model a surface as a quarter-circular ring with variable thickness from the inside to the outside?
Question
Is it possible to use the table to evaluate which member has the greatest internal forces in relation to other members?
Question
How can I centrically align the coordinate system of a surface?
Question
I have defined a notch on a support. Why is it not taken into account for the reduction factor kv?
Question
How can I rotate a nodal support?
Question
Are the minimum moments also considered in the case of punching shear on foundation plates?
Question
When opening Block Manager, the following message appears: "Project folder is not valid! Folder X of project Y cannot be found!"
Question
How can I find members of a certain length?
Question
Is it possible to import and edit the cross-sections created in older program versions of SHAPE‑THIN?
Question
I get a message in RF‑/PLATE‑BUCKLING saying that the distance between stiffeners exceeds the minimum requirement. What should I do?
Question
I have downloaded the installation of the RFEM program and I would like to try the program as a demo version first. Unfortunately, the program cannot be saved. What am I doing wrong?
Question
Why is it not possible to select the connecting surface under "Integration Width - Side 2" in the "Edit Rib" dialog box?
Question
I would like to use the "Insert Pages Before Block" function in the printout report. Unfortunately, this does not work: In the table of contents, the inserted empty pages are listed and considered by page, but the pages are not available.
Question
In Project Navigator - Display, I have set the "With Diagram" option for displaying the results of members. However, the results are displayed without the diagram. Why?
- 004541
- RFEM 5
- RFEM 2D 5
-
- RSTAB 8
- RSTAB 2D 8
- RX-TIMBER Glued-Laminated Beam 2
- RX-TIMBER Roof 2
- RX-TIMBER Purlin 2
- RX-TIMBER Continuous Beam 2
- RX-TIMBER Frame 2
- RX-TIMBER Column 2
- RX-TIMBER Brace 2
- PLATE-BUCKLING 8 | Stand-Alone
- SHAPE-THIN 8
- SHAPE THIN 9
- CRANEWAY 8
- COMPOSITE-BEAM 8.5x
- Concrete Structures
- Steel Structures
- Timber Structures
- Structural Analysis & Design
- Finite Element Analysis
- Nonlinear Analysis
- Stability Analysis
- Warping Torsion Analysis
- Dynamic and Seismic Analysis
- Steel Connections
- Eurocode 3