# questions about keps model and wall function

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 October 13, 2004, 17:26 questions about keps model and wall function #1 sarah_ron Guest   Posts: n/a Dear all, If I use the k-eps model in the "viscous/models/..." and select enhance wall treatment in the 'near wall treatement'. Does this combination mean low Re number model? If right, which low-re-model it correspond? Thanks a lot! sarah

 October 14, 2004, 05:31 Re: questions about keps model and wall function #2 dieter Guest   Posts: n/a If your y+<=1 it is low Re solved with a k-l or one-equation model. if your y+>1 the solution is a blending between a low Re and adapted Wall Functions. Try the manuals, its rather complicated to explain in a few words...

 October 14, 2004, 10:47 Re: questions about keps model and wall function #3 sarah_ron Guest   Posts: n/a Dear dieter, Thanks for your reply. Then if my y+<=1, and just repeat the procedure as follows: k-eps model: "viscous/models/..." enhanced wall treatment:'near wall treatement'. So it means the combination should be a low -Reynolds number model? If so, it corresponds which low-reynolds number model? 0 Abid 1 Lam-Bremhorst 2 Launder-Sharma 3 Yang-Shih 4 Abe-Kondoh-Nagano 5 Chang-Hsieh-Chen Thanks a lot! sarah

 October 15, 2004, 07:50 Re: questions about keps model and wall function #4 dieter Guest   Posts: n/a that I don't know very well. I think Fluent takes his Low-Reynoldsmodifications (damping functions) from several sources... but it is not clearly explained in the manuals.So I can't answer that question properly, sorry for that

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