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Unsteady Statistics- incorrect calculation, etc. |
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June 27, 2007, 19:04 |
Unsteady Statistics- incorrect calculation, etc.
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Have a few questions about unsteady statistics. I'm performing a DES calc of flow around a bluff body. Before the bb the flow is basically steady. After, it is dominated by large-scale, coherent structures.
I "sampled for time statistics" over a large number of iterations, but the statistics are incorrect. The mean velocity components before the bb should approximately match the instantaneous quantities- they are almost an order of magnitude off. Any ideas? Also, some cases are failing to write unsteady statistics in the data file. Any help would be greatly appreciated! -john |
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