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how to calculate vortex shedding frequency

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Old   August 31, 2012, 11:18
Smile how to calculate vortex shedding frequency
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Dear all,
I have simulated a finite span S809 blade with DES using transient simulation.

For analyzing the noice generated by the vortical system, I need to have the vortex shedding frequency of the simulation...

Can anyone tell me how to get (calculate) it in the post processing of the results?

Tnx in advance
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