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How to find Strouhal Number (frequency)

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Old   September 30, 2013, 01:28
Exclamation How to find Strouhal Number (frequency)
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hello,
i want to find out strouhal number via power spectral density, i have stored data in from of U, V, W velocities according to x,y,z position in fld files... is anybody have any Matlab code to do that?
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