Compressible flow with inlet velocity Ma%23601 -- CFD Online Discussion Forums

July 3, 2005, 13:01	Hello openFoam users, i jus	#1
klaus New Member Klaus Wittig Join Date: Mar 2009 Posts: 20 Rep Power: 17	Hello openFoam users, i just started evaluating this promissing code and as usual in the beginning i have a problem. I just wanted to run the nacaAirfoil example in sonicTurbFoam with a free-stream velocity below sonic-speed (Ma<1) so that the velocity has to go supersonic only in a small area. But the solver is complaining that the free-stream Mach-Number must not be below 1: --> FOAM FATAL ERROR : MachInf < 1.0, free stream must be supersonic Is there a way to handle compressible flow for subsonic inlet conditions? Best regards, Klaus

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