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  1. bkumar21

    To find Damping ratio through Harmonic dynamic analysis in ANSYS

    Hello everyone, Could anyone please tell me how to find damping ratio in ANSYS(I am using ANSYS 11.0). I am trying to obtained FRF (freq vs displacement curve )with guessing constant damping 2% and then to find damping ratio by half-power or 3 dB method. Is it correct way ??.why we have to...
  2. bkumar21

    To find Damping ratio through Harmonic dynamic analysis in ANSYS

    Hello friends, I have done modal analysis on a sandwich beam.Once I got natural frequencies I did harmonic analysis and obtained response curve (i.e amplitude vs. frequency) without initially considering any damping.Then,I used half-power method (or 3dB method)to find damping ratio.I run the...

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