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002567
2019-03-04

Tensile Forces Instead of Compression Forces in Design with STEEL Warping Torsion

When performing an analysis with STEEL Warping Torsion, I obtain tension forces instead of compression forces in a column. Where is the problem?

Answer:

Check the preset support in warping torsion: the supports secure the respective member set at the start and end nodes in the local x‑direction (see the image). In this way, the column "hangs" in the top support, a tensile force is calculated, and no stability problem may be found.

Release the support at the column head in the local x‑direction.

Defining Support for Warping Torsion
Defining Support for Warping Torsion

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