How to apply Neumann Boundary Condition -- CFD Online Discussion Forums

July 18, 2023, 02:51	How to apply Neumann Boundary Condition	#1
Furqan027 New Member Furqan Khan Join Date: Apr 2023 Posts: 2 Rep Power: 0	I am simulating a 2D multispecies model. The domain is a rectangle with velocity inlet at bottom and pressure outlet at top. There is air in the domain and vapor enters into the domain from bottom velocity inlet. I want to apply Neumann boundary condition for vapor concentration on left and right wall. Can anyone help me how to apply Neumann Boundary Condition for vapor concentration on wall?

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