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S-A y+ problem

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Old   September 3, 2001, 09:55
Default S-A y+ problem
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Andrew Parker
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Dear all

I know that if I am using a k-epsilon model with near wall treatment as two-layer zonal then my y+ must be below 4 or 5. What is the y+ value that lets the S-A model work probably, I have been told that it should be between 50 and 60, is this true?

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Andy
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Old   September 7, 2001, 11:47
Default Re: S-A y+ problem
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Herve
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Silly question maybe, but what is the S-A model?

Herve
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Old   September 9, 2001, 10:35
Default Re: S-A y+ problem
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Andrew Parker
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It is the Spalart-Allmaras turbulence model that can be used in Fluent, and can be found in the define menu. I would have thought that if you where using fluent you should have spotted this.

Andy
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