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Furqan027 July 18, 2023 02:51

How to apply Neumann Boundary Condition
 
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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