Hello Peter,
I have a doubt regarding the natural frequencies of the system. Suppose when I am modeling this system analytically, I consider the mass at the center as the first mass and the whole frame as the second mass, making it a 2 degree of freedom system. Corresponsing calulations will give two natural frequencies as well, based on which further calculations can be done. In FE analysis, how is possible to extract which modal frequency corresponds to which part, mass part or the frame.
Precisely, what does the different modal frequency values in the FE modal analysis tell us. Which of those should be considered and which all should be neglected?Â
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