Implausible Results – Torsional Warping

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FAQ 005281 | My results of the calculation with Torsional Warping are implausible. What could...

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FAQ 005281 | Implausible Results – Torsional Warping

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07/14/2022

005281

RF-STEEL Warping Torsion

Steel Design for RFEM 6

Steel Design for RSTAB 9

STEEL Warping Torsion

Torsional Warping (7 DOF) for RFEM 6

Torsional Warping (7 DOF) for RSTAB 9

Steel Structures

Warping Torsion Analysis

My results of the calculation with Torsional Warping are implausible. What could be the reason?

Answer

First of all, it would be reasonable to check the boundary conditions for the design again. This includes, among other things, the selected load introduction, checking the transverse stiffeners, and the transitions between the members. It is also useful to check the analysis method without the second-order analysis due to large rotations.

However, it is also particularly important that RFEM requires an FE mesh distribution for the warping torsion. You can check the FE mesh settings and the graphical display of the member FE mesh.

Keywords

Torsional Warping 7th degree of freedom Boundary condition

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