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Old   January 9, 2005, 18:41
Default Boundary Condition
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I am modeling air flow in an apartment. flow comes in through an inlet section and goes out through an outlet section. I am prescribing fixed velocity at the inlet. What shoud be the boundary condition at the outlet - PRESSURE or MASS FLOW BOUNDARY ?

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Old   January 9, 2005, 23:06
Default Re: Boundary Condition
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You could use the standard zero gage pressure boundary condition and zero normal velocity gradient condition at the outlet.
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