- Calculation aborts due to overloading (stability problems)
- Determination of buckling curves and buckling modes
Question
What is the purpose of the "Calculate eigenvector for unstable model..." option in RF‑STABILITY?
Answer:
This feature is intended to detect modeling errors in a structure that may lead to instability. With this method, it is possible to calculate such systems and to graphically determine the instability cause.This feature is not suitable for the following problems:
If the system is stable and the stability problems only occur during the calculation according to the second-order analysis, this function sets all results to 0.
A detailed description of solving the instability problems is included in FAQ 3045.
Do you have any questions?
This technical article analyzes the effects of the connection stiffness on the determination of internal forces, as well as the design of connections using the example of a two-story, double-spanned steel frame.
Using ASCE 7-22 for wind load calculations in RFEM and RWIND involves several specific steps to ensure that your structural designs meet the latest standards provided by the American Society of Civil Engineers. Here’s a step-by-step guide on how to incorporate ASCE 7-22 wind load provisions into RFEM and RWIND simulations:
In this article, you will learn how to model and design cable structures in RFEM 6 or RSTAB 9.
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The clipping planes are aligned with the respective wind direction.
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