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-   -   Why is the along wind spectral density of square cylinder narrow band? (https://www.cfd-online.com/Forums/site-help-feedback-discussions/226218-why-along-wind-spectral-density-square-cylinder-narrow-band.html)

saugatshr4 April 21, 2020 04:58

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