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FAQ 002825 EN 8 April 2019

Thomas Günthel Modeling | Structure RFEM RSTAB STEEL EC3 RF-STEEL EC3 FE-LTB RF-FE-LTB

Is it possible to integrate several profiles with different materials in the bend bending detection or how can I apply several profiles to each other?

Answer

It is possible to use DuenQ to model any cross sections and to carry out a stress analysis with within DuenQ or eg in RSTAB with STEEL.

The module FE-BGDK can be used for the proof of stability of general cross-sections. Modules such as STAHL EC3 are dependent on the respective standard, which may cause problems for user-defined cross-sections. Here it is usually the case that these are not covered by the standard and the proof of stability is only valid for certain cross sections.

For cross sections made of several materials (hybrid cross sections), you can also work with FE-BGDK. The stiffness of such a cross section created in DuenQ can be mapped in RFEM, but there are no possibilities for the proof of stress. The approach would therefore be the following:

First Create cross section in DuenQ

2. Read the cross section in RFEM and set the reference material correctly

3. Calculate the internal forces with FE-BGDK

4. Stress proof in DuenQ lead

Keywords

Multi-part cross-sections Hybrid cross sections

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