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  1. enterprixe

    Frequency Response Functions

    Hello, I was wondering if it is possible to change a mobility measured FRF to a receptance FRF so I can take advantage of the program I developed to recontruct receptance FRF with a rational fraction method. I thought maybe just simply dividing the Mobility matrix by iω? Thank you
  2. enterprixe

    Obtaining mode shapes from velocity FRF

    Hello, Recently i have been tasked to do the modal analysis of the data collected from a test. I was able to obtain its natural frequencies, damping coefficients(viscous and structural) and the modal constant using a SDOF descomposition of the FRF. I am supposed to obtain 4 mode shapes ( since...

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