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What does the load application point in RF-/STEEL EC3 Warping Torsion refer to?

Answer

The RF-/STEEL EC3 Warping Torsion add-on module determines the load from the internal forces with a transfer function, as described in the Knowledge Base article below. In order to also consider the application point of the load in the calculation, all transverse loads (py, pz) are then related to the selected point of the cross-section.



This is taken into account not only when determining the internal forces according to the bending torsion theory, but especially when calculating the critical load factor.

This procedure can be compared with the input in the RF-/FE-LTB add-on module.

Keywords

Load application Transverse load warping torsion Stability analysis Lateral-torsional buckling

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