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Instability
My model is unstable. What could be the reason?
Instability
My model is unstable. What could be the reason?
Creating Response Spectrum ASCE 7-22
How can I create a response spectrum according to ASCE 7‑22?
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?
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?
Cross-Section Warping
How can I display the cross-section warping?
Stiffness Modulus Method
Is it possible to perform an analysis according to the stiffness modulus method in RFEM or RSTAB?
Warping Spring and Warping Restraint
How can I define a warping spring or a warping restraint?
Unstable Model - Troubleshooting
My model in RFEM 6 / RSTAB 9 is unstable. How can I fix it?
Column Failure Modal Analysis
How can I analyze the failure of an object, such as a column, in my modal analysis?
Modal Analysis
How can I display mode shapes in RFEM 6 and RSTAB 9?
Normalization of Mode Shape
Where can I adjust the normalization of a mode shape in RFEM 6 / RSTAB 9?
Warping Release
How do I set a release for warping?
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?
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?
Response Spectrum Analysis
How can I perform an earthquake analysis in RFEM 6 and RSTAB 9?
Modal Analysis - Minimum Initial Strain
Why do the results in a modal analysis differ between the initial prestress and the surface load?
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?
Export of Response Spectrum
Can I export a response spectrum from RFEM 6 and use it in RFEM 5, for example?
- 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?
Analyse de déformation
Is it possible to display the deformation analysis of a surface (limit 0.5‰)?
Implausible Results – Torsional Warping
My results of the calculation with Torsional Warping are implausible. What could be the reason?
Deactivating 7th Degree of Freedom by Member
How can I deactivate the 7th degree of freedom for only certain members or cross-sections?
Small Cohesion for Non-Cohesive Soils
What value can I use for cohesion in order to avoid singularities?
Neglecting Masses in RFEM 6 / RSTAB 9
How can I neglect masses in my modal analysis in RFEM 6 / RSTAB 9?
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?
- 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