In Reply to: RE: Refresher course posted by Inmate51 on December 3, 2015 at 14:49:16:
In order to minimize the effect of a vibration of frequency x you need to design the iso system such that the resonant frequency is below frequency x. Otherwise it will get transmitted 100% by the LOW PASS system. You don't need an equation to tell you that you should design the iso system with the lowest possible Fr. Even if you design a system with FR of say 3 Hz the vibration at 8 Hz will be transmitted more than 50%. You won't get 99% effectiveness until the vibration of interest is up around 20 Hz. Know what I mean, jelly bean?
Edits: 12/03/15 12/04/15
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- RE: Refresher course - geoffkait 15:26:14 12/03/15 (0)