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Re: Floor Vibration

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>I would like know if there is a correlation between
>the vibrational velocity and the natural frequency. 
There's a correlation, but you can't find harmonic velocity from the 
natural frequency unless you know the excitation. Natural frequencies are 
structural properties, something like stiffness or strength that exist 
independently of loading. The harmonic response depends on the applied 

Christopher Wright P.E.    |"They couldn't hit an elephant from
chrisw(--nospam--at)        | this distance"   (last words of Gen.
___________________________| John Sedgwick, Spotsylvania 1864)