How to compute the logarithmic decrement (or damping ratio) from acceleration data

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Julien Gamerro
Julien Gamerro el 12 de Dic. de 2019
Editada: Julien Gamerro el 12 de Dic. de 2019
Hi,
I did some vibration tests on wood beams and I have the acceleration vs time data. From these values, I can extract the natural frequency but I would like also to get the logarithmic decrement. Do you know the easiest way to do that?
Thanks in advance!
Ju

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