1. Sep 27, 2012 #1

   tingyuau

   

   Can someone derive for me the equation ω_d=ω_nsqrt(1-ζ²)
   
   Thanks

    

   tingyuau, Sep 27, 2012
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3. Sep 27, 2012 #2

   nasu

   

   Yes.
   
   http://en.wikipedia.org/wiki/Harmonic_oscillator#Damped_harmonic_oscillator

    

   nasu, Sep 27, 2012

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