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Old   August 21, 2006, 01:53
Default queries about turbulence
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Hi to all cfd users.I have gone though fluent help manual,and found follwing queries.Pls if anybody knows then give me a little idea.

(1) I have read in manual that Wilcox K-w model is sensitive to free stream value of B.C.why ?

(2) Why k -e is not good for near wall regions?

(3) what are blending functuions in mentor SST?

(4) Why k -e gives poor results for axi symmetric flows?

Thanking u all

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Old   August 21, 2006, 03:35
Default Re: queries about turbulence
Albert F.
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I can't answer all your questions but as I know you can use k-e in near wall regions imposing an yp+ near to 1 an enabling enhanced wall treatment. This is how I use turbulence in my cases.

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