Export of Response Spectrum
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Response spectrum Export response spectrum Import response spectrum
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Features of the Modal Analysis Add-on for RFEM 6
The dynamic analysis in RFEM 6 and RSTAB 9 is divided into several add-ons. This article will show you some of the main features of the Modal Analysis Add-on for RFEM 6 / RSTAB 9.

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Once the calculation is done, the results of the modal analysis are available both graphically and in tables. In this manner, you can display the Results tables for the Modal Analysis load case(s) and see the eigenvalues, angular frequencies, natural frequencies, and natural periods of the structure. Furthermore, you can display effective modal masses, modal mass factors, and participation factors.- Is the German National Annex 2021‑07 to Eurocode 8 available in RFEM 5 / RSTAB 8?
- How can I neglect masses in my modal analysis in RFEM 6 / RSTAB 9?
- Where can I adjust the standardization of a mode shape in RFEM 6 / RSTAB 9?
- How can I analyze the failure of an object, such as a column, in my modal analysis?
- Why do the results in a modal analysis differ between the initial prestress and the surface load?
- How can I perform an earthquake analysis in RFEM 6 and RSTAB 9?
- How can I display mode shapes in RFEM 6 and RSTAB 9?
- RF‑/DYNAM Pro - Forced Vibrations and RF‑/DYNAM Pro - Equivalent Loads perform the multi-modal response spectrum analysis. What are the differences?
- There are two different add-on modules for a response spectrum analysis in RF‑/DYNAM Pro. What can be the reasons for the different results of both add-on modules?
- What is the meaning of the superposition according to the CQC rule in a dynamic analysis??