Modal coordinates time history

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deltanabla 2020-1-9

Hi All,

I have a query regarding the calculation of the so called “Modal Participation Factor time signal” from a combination of

a) transfer functions (amplitude and phase for each eigenmode) obtained from "unit" accel loading in an FEM model

and

b) real accel-time test data.

I would like to somehow combine the above 2 to obtain the so called "modal participation factor time history" using suitable matlab functions.

Can somehone point me in the right direction?

Best Regards

Physical Modeling Simscape Multibody Multibody Modeling Multibody Dynamics

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