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Spalart-Allmaras, distance (d) to nearest wall surface in FEM

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March 21, 2023, 03:29	Spalart-Allmaras, distance (d) to nearest wall surface in FEM	#1
Bottikowski96 New Member Join Date: Jan 2021 Posts: 16 Rep Power: 5	Hello together, I am trying to implement a turbulent channel boundary value problem using the Finite Element Method and the SA-Model in Mathematica (AceGen/ AceFEM). Do I have to compute 'd' in each node or in each gauss point? Thanks and best regards Bottikowski96

March 21, 2023, 03:48		#2
sbaffini Senior Member Paolo Lampitella Join Date: Mar 2009 Location: Italy Posts: 2,156 Blog Entries: 29 Rep Power: 39	Wall distance in SA is needed in the source terms, so you need it wherever you use those source terms. Bottikowski96 likes this.

March 21, 2023, 06:12		#3
Bottikowski96 New Member Join Date: Jan 2021 Posts: 16 Rep Power: 5	All right, thank you!

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