BC for subsonic compressible flow -- CFD Online Discussion Forums

February 8, 2016, 12:33	BC for subsonic compressible flow	#1
me3840 Senior Member Join Date: Nov 2010 Location: USA Posts: 1,232 Rep Power: 24	Hello folks, Wondering if anyone has experience in using some kind of BC to do subsonic compressible flow (Minf=0.4 or so). Does OpenFOAM have some sort of compressible "freestream" boundary condition which is non-reflecting? I have a case using BCs appropriate for subsonic flow, specified U and T at inlet, specified p at outlet, but the case blows up when running at compressible mach numbers. Thanks!

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