FAQ 000844 EN
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When analyzing structural elements susceptible to buckling by using the modules RF‑STABILITY (for RFEM) or RSBUCK (for RSTAB), it might be necessary to activate the internal division of members.
- How is the buckling load determined in RSBUCK if the most unfavorable value is transferred from RSTAB for a non-constant axial force distribution?
- How does RF‑STABILITY or RSBUCK determine the buckling load? According to the manual calculation, the respective buckling loads should be about 10% higher.
- Why is it not possible to use result combinations in RF‑STABILITY? It is possible in RSBUCK indeed.
I have calculated the effective lengths in my model by using RSBUCK/RF‑STABILITY.Which effective lengths are relevant for further analyses?
- Is it possible to import effective lengths from RF‑STABILITY or RSBUCK in RF‑/TIMBER Pro?
- What is the critical load factor and how is it possible to determine it?
- Which calculation methods are used in RSTAB and RSBUCK?
- How are the effective lengths of frame columns determined in RFEM or RSTAB?
- Why are the stiffness modifications not taken into account when determining critical load factors in the RF‑STABILITY add-on module?
- In the stability analysis in RSBUCK, I receive the following error message: "The model is not connected because there are independent partial models." What does it mean and what can I do about it?