BC when using nutUWallFunction -- CFD Online Discussion Forums

September 6, 2011, 10:20	BC when using nutUWallFunction	#1
cabul New Member Andre Laß Join Date: Mar 2010 Location: Rostock, Germany Posts: 9 Rep Power: 16	Hallo foamers, i am trying to simulate an impinging jet with different turbulence modells. While experimenting with the k-epsilon modell i figured out, that it is designed for high-Re simulations and walls have to be treated seperatly by wallfunctions. Currently i am confused about the use of the different Wallfunctions for nut. According to the tutorials i set kqRWallFunctions for k and epsilonWallFunction for epsilon when using nutkWallFunction. Can someone explain me the difference between the different nutWallFunctions and give a hint accordning the BC of k and epsilon?

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