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Wall-Function and TauWall

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Old   May 19, 2003, 13:13
Default Wall-Function and TauWall
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Jkl
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Dear friends,

I'm trying to simulate 3D flow around a building...

Some geometrical details I can't get rid of make me miss mesh requirements for wall-functions: I mean that my y+ is about 20, instead of 30/50.

For some reasons I'm interested to the wall shear stress extimation right in the region where my y+ is 20. Has anybody had previous experience with a problem like this?

I mean: How effective could be having y+20 instead of 50 on visocus forces extimation ???

Thanks in advance,

Your Jkl.

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