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Peculiar Strouhal Number in FLUENT

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Old   April 15, 2014, 04:36
Default Peculiar Strouhal Number in FLUENT
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Dear all,

I am currently analysing the noise generated by a rod-airfoil configuration in ansys fluent. For the geometry and domain I used the dimensions given in a paper.
When I use FFT to plot Strouhal number against PSD I get St numbers in a range from 0-10,000. I do not understand what I did wrong, so it would be great if someone could help me out.

Thank you very much in advance.
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