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Nearwall treatment for the kOmegaSST turbulence model |
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January 20, 2009, 12:58
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I am currently doing vehicle a
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John.B
Join Date: Mar 2009
Posts: 14
Rep Power: 17  |
I am currently doing vehicle aerodynamics simulation with OpenFoam v1.5 and using simpleFoam with the incompressible implemented kOmegaSST turbulence model. My main concern is when this model is valid in terms of y+. Since it uses wall functions I guess the y+ should be in the log-law region (30<y+<300) and hence it would be improper to have a finer mesh with lower y+ (in my case y+ ~7) together with this model?
Would it be an idea to try a Low-Re turbulence model like Launder-Sharma or QZeta, or would that require a further refined mesh (y+~1)? Thanks in advance! |
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