Deactivating 7th Degree of Freedom by Member

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FAQ 005241 | How can I deactivate the 7th degree of freedom only for certain members or cross-sections ...

FAQ Explanatory Video

01
Deactivateing Warping Stiffness

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04/12/2022

005241

Torsional Warping (7 DOF) for RFEM 6

Torsional Warping (7 DOF) for RSTAB 9

Steel Structures

Warping Torsion Analysis

How can I deactivate the 7th degree of freedom for only certain members or cross-sections?

Answer

The warping stiffness can be deactivated by cross-section in the "Edit Cross-Section" dialog box; see the image.

Deactivateing Warping Stiffness

Keywords

Deactivate Deactivation Warping torsion Warping analysis Warping stiffness

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Lateral-Torsional Buckling Analysis with New Torsional Warping (7 DOF) Add-on for RFEM 6 / RSTAB 9

This technical article presents some basics for using the Torsional Warping add-on (7 DOF). It is fully integrated into the main program and allows you to consider the cross-section warping when calculating member elements. In combination with the Stability Analysis and Steel Design add-ons, it is possible to perform the lateral-torsional buckling design with internal forces according to the second-order analysis, taking imperfections into account.