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Setting outlet Pressure boundary condition using CAFFA code

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Old   March 16, 2011, 03:23
Default Setting outlet Pressure boundary condition using CAFFA code
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I am using CAFFA code for solving a flow field for an impeller . i have a problem that is the at inlet to the code we have velocity boundary conditions and outlet we have outlet flow boundary conditions but for my case i want to have a pressure boundary condition.

I have tried to force the pressure boundary condition by giving P and PP variable values zero along the boundary . but i think i am thinking wrong i want to have a relative pressure zero boundary condition . i tried thinking and changing things in many ways but without sucess. I think i am getting the theory of baoundary conditions for finite volume method wrong.I would like your help in this if possible to know what i must change for getting the pressure boundary outlet condition.

Thank you.

Last edited by Mukund Pondkule; March 16, 2011 at 11:36.
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