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BCs for Natural ventilation (convection)

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Old   July 20, 2019, 07:13
Default BCs for Natural ventilation (convection)
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I am using buoyantBuossineqPimple Foam to simulate natural ventilation in an enclosure with inlet on the top and outlet at the bottom.
So what boundary conditions should be assigned to inlet and outlet so flow can only be sucked in inlet because of pressure difference and denser air flow out from outlet ?

Thank you everyone!
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boundary conditions, natural ventilation

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