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Given a curve how to find the damping ratio?

  1. Jun 20, 2010 #1
    I have a data of a system (2nd order spring-mass-damper). From the looks of it, the system is quite certainly overdamped. Can someone guide me as to how to find the damping ratio?

    Regards,

    -sgsawant
     
  2. jcsd
  3. Jun 20, 2010 #2

    K^2

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    Science Advisor

    I'm not sure you can, for over-damped oscillator. You can fit it to exponent, but the decay rate will depend on both the undamped frequency and the damping ratio.

    If it was under-damped or critically damped, you'd be able to.
     
  4. Jun 21, 2010 #3
    Thanks!
     
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