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How to find the damping matrix without the experimental approach?

Question asked by Syed Faiz Ali on Aug 1, 2019

I am doing a dynamic analysis of a milling machine. I have done the modal analysis and have the obtained matrices for mode shapes and frequencies. I also have obtained the Non- part for my 2nd order differential equation. Now, i need to have matrix for the damping. Can anyone confirm that if it is possible to obtain the damping matrix from the FE analysis?