nozzle boundary condition -- CFD Online Discussion Forums

September 14, 2007, 01:19	nozzle boundary condition	#1
Shuo Guest Posts: n/a	Hi, I am solving the 1-D Euler equation using upwind methods for flow through a divergent nozzle. Three cases were tested:subsonic flow, supersonic flow and flow with shock. The subsonic inlet boundary condition produced incorrect result for the subsonic flow. B.C. & Density & Velocity & Pressure \| Subsonic inlet & Fixed? & Float? & Fixed \| Supersonic inlet & Fixed & Fixed & Fixed \| Subsonic outlet & Float & Float & Fixed \| Supersonic outlet & Float & Float & Float \| Can anyone please advise me on this? Thanks, Shuo

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