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resolution near the wall

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Old   September 19, 2004, 21:39
Default resolution near the wall
Zhang Tsiang
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Is it possible to simulate the burst structure in the near-wall region, i.e. y^+ < 30 or so, by the method of large eddy simulation? For example, in channel flow, how to determine whether the grid spacing is small enough to resolve such structure in this region?

I have read some papers of DNS in which the burst is detected based on DNS database, but I cannot find any clue of the grid resolution capable of burst-resolving.

does anyone have experience in such a problem? please do me a favor, tell me how to do or where to find how to do.

best regards!
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