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Outlet boundary condition for pd in InterFoam

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Old   March 19, 2008, 09:26
Default Hello, I want to simulate a
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Vinay Ramohalli Gopala
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I want to simulate a 2 dimensional channel Flow, with a small inlet on the left wall injecting water into the domain using interFoam. The complete right Wall is an outlet. For boundary condition at inlet I use gamma = 1 with a specified inlet velocity. At the outlet, I need to speicify a zero pressure boundary condition. As interFoam uses the modified pressure (pd), I cannot specify 0 for pd !! This works if the gravity is switched off, but how should I implement the outlet boundary condition whilst gravity is swtiched on ? Is there any other boundary condition that I can try at the outlet?

Thanks in advance !

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