Is wall function only act on specified walls? -- CFD Online Discussion Forums

August 8, 2014, 21:57	Is wall function only act on specified walls?	#1
huangxianbei Senior Member Huang Xianbei Join Date: Sep 2013 Location: Yangzhou,China Posts: 302 Rep Power: 13	Hi,all: Recently, I'm solving a problem with y+<5 and y+>30 on 2 different walls. So for the y+<30 wall, a wall function should be used, and the y+<5 wall should be resolved(LES). My question is, is that right to use wall function on y+>30 wall and use zerogradient on y+<5 wall to make it resolved in nuSgs? Xianbei

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