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Why is the along wind spectral density of square cylinder narrow band?

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Old   April 21, 2020, 03:58
Default Why is the along wind spectral density of square cylinder narrow band?
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Saugat Shrestha
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I am running an analysis a square cylinder. The model is run for Reynold's number of 30000 and I'm using k-omega SST model. I get all the parameters correct but there is just one problem. I'm getting narrowband results for the along wind (drag) fluctuations, from the results I assume to get a wind band. I can't explain the result. Can you please help me explain this?
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drag fluctuations, k-omega sst model, psd, reynold's number 30000

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