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minger
minger is offline
#2
Jul22-10, 06:30 PM
Sci Advisor
P: 1,498
One of the more easy methods is the log decrement method. Basically, you displace the plate, release and measure the displacement as a function of time. The displacement should damp logarithmically which can give you the damping coefficient.

http://en.wikipedia.org/wiki/Logarithmic_decrement