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Recent content by bkumar21

  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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