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Mathematical form of B.C in Fluent

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Old   June 28, 2010, 15:53
Question Mathematical form of B.C in Fluent
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engahmed
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Hi Fluent users,
I have a question that has been puzzling me for a while, it is concerning the boundary conditions in Fluent.
I am wondering how does fluent treat properties (u,v,w,P,T) at boundaries?
For example I know at an outflow boundary condition du/dx=0, dT/dx=0
what about the other properties? At pressure inlet you specify a presssure vaalue and so how are u,v,w and T treated?
I need to understand the mathematics of each boundary condition in Fluent, what is the mathematical form of the boundary conditions for each governing equation?
I searched the manual but did not find an answer.
So please if anyone knows anything in this regard, let me know.
Thanx
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