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Best Way to Capture Boundary Layer Thickness

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Old   October 18, 2008, 01:03
Default Best Way to Capture Boundary Layer Thickness
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Gill
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Dear Friends,

Can some body tell me what is the best way to capture the boundary layer thickness of an fluid flow in any CFD solver.

Thanking you

With regards, gill
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Old   October 23, 2008, 07:06
Default Re: Best Way to Capture Boundary Layer Thickness
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George P.
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I don't know if I got your question right...but I assume you need to properly calculate your Ywall (height of first cell) based on the deisred Y+. Rule of thumb: 9-15 cells should be within your boundary layer in order to have good representation.

You can check your result by checking the contour plots of Y+ distribution and addapting your grid accordingly.

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