RSM without wall function -- CFD Online Discussion Forums

March 30, 2018, 03:32	RSM without wall function	#1
michal.s Member Michal Join Date: May 2017 Posts: 35 Rep Power: 9	Hey there! I am trying to compare simulation performed with k-w SST with RSM. My mesh prepared for k-w has very fine mesh with boudary layer (y+~1). As far I know (and read), RSM uses wall function. Is it possible to simulate flow without using any wall function in order to calculate heat transfer between the wall and the fluid properly? Otherwise, mesh should have y+>30 right?

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