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Instability
My model is unstable. What could be the reason?
Question
What are the stiffness reduction factors k33 and k88 in the Multilayer Surfaces Add-on?
Instability
My model is unstable. What could be the reason?
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?
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?
Stiffness Modulus Method
Is it possible to perform an analysis according to the stiffness modulus method in RFEM or RSTAB?
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?
Unstable Model - Troubleshooting
My model in RFEM 6 / RSTAB 9 is unstable. How can I fix it?
Splice Connection
How do I create a splice connection in the Steel Joints add-on?
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?
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?
- 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
Materials of National Annexes
Where can I find the materials for the corresponding National Annexes in RFEM 6 and RSTAB 9?
Case-Related Design with Different Load Situations
How can I carry out case-related design for different load situations?
Strength of Weld-Affected Zone for Aluminum
How do I consider the strength of weld-affected zone for aluminum?
Construction Stages - Modifying Properties
Is it possible to change the properties of members or surfaces, such as their location, in the individual construction stages?
Small Cohesion for Non-Cohesive Soils
What value can I use for cohesion in order to avoid singularities?
Orthotropy Direction for Layers
Why cannot I define a rotation when defining layers?
Stability Analysis with Incrementally Increasing Loading
Can I incrementally increase the load in RFEM 6 or RSTAB 9?
Setting Deformations to 0
How can I set the deformations from an LC/CO or a construction stage to 0?
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?
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?
Cable and Tensile Structures
I would like to analyze cable and tensile structures. Is it possible to use RFEM or RSTAB for this?
- 005437
- RFEM 6
- RSTAB 9
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- 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?
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?
- 005450
- RFEM 6
- RSTAB 9
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- 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