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InterFoam outlet boundary condition

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Old   October 18, 2021, 17:17
Default InterFoam outlet boundary condition
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Miguel Hernandez
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Hi everyone,
I'm currently performing a simple interFoam simulation of a slitting manhole.
I'm am wondering which is the outlet boundary condition to set; what I'd like to achieve is to have a boundary condition that allows the water to flows out of the system and at the same time the air to enter the system. I don't have an outlet velocity known ...

For U, Is the inletOutlet BC what I'm looking for?

And for p_rgh, alpha.water zeroGradient?

Thanks in advance

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