How to caculate the friction velocity/shear shress at high Re RANS -- CFD Online Discussion Forums

September 15, 2012, 10:17	How to caculate the friction velocity/shear shress at high Re RANS	#1
bojiezhang Member bojiezhang Join Date: Jan 2010 Posts: 64 Rep Power: 16	Hi every formers: I know If I am using low RE, then (nu() + nut()) U.snGrad() computed at the wall yields satisfactory results. But if on the other hand you are having high RE, then an assumption of a log-profile would give reasonable results. But I can not find out which code work for the log-profile, where can I find the method for this situation? Could anyone explain it for me? Thank you! bojie zhang

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