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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Fault Tolerant Heap (FTH)
The performance when starting the programs or working in the program has become noticeably worse. What could be the cause of this?
Load Extension Isotropic Masonry | Plastic
Is it possible to influence the transverse distribution of a load in the case of the Isotropic | Masonry | Plastic material model?
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
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- 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