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Velocity Gradiant Boundary Condition

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Old   December 9, 2009, 16:19
Default Velocity Gradiant Boundary Condition
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Hi Dears!

I want to impose Velocity Gradiant Boundary Condition. The velocity gradiant of my case in some boundaries is equal to zero (like out flow boundary condition & my case is a 2d bouyant driven flow with variable density(boussinesq equation), I wrote some UDFs in form of DEFINE_PROFILE for boundary condition & ADJUSENT & EXECUTE AT END for my domain but unfortunately i didn't get proper solution.

Could any one help me?
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