InterFoam outlet boundary condition -- CFD Online Discussion Forums

October 18, 2021, 16:17	InterFoam outlet boundary condition	#1
Miguel Hernandez Member Miguel Hernandez Join Date: Feb 2021 Location: En mi casa Posts: 56 Rep Power: 5	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 Miguel

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