Postby bernd » Mon Jul 08, 2019 7:44 am
I am unsure, but we may do something totally wrong or missunderstand ...
Attached a screen. The green value is presentet to the user as Eigenmode Frequency for mode no 8. This is what FreeCAD does ATM. As far as I read the table ther is no imaginary part in cycles / time. Attached the screen again.
What makes me unsure is the Eigenvalue. AFAIK the eigenvalue is the natural frequency, but we have two columns one for Eigenvalue and one for the frequency ...
Mhh, I should do more earthqake analyses ... I would better know than ...
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