swith between subsonic and supersonic -- CFD Online Discussion Forums

December 19, 2012, 01:32	swith between subsonic and supersonic	#1
nickna New Member Lipo Wang Join Date: Dec 2012 Posts: 14 Rep Power: 13	Hi, all The following question related to supersonic simulations always puzzles me: we say that the boundary conditions for supersonic and subsonic are different. This means that at every time step on the boundaries we need to judge the local Mach number to see if the local flow is supersonic or subsonic and then apply the corresponding different B.C.s? Thanks a lot!

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