Initial conditions -- CFD Online Discussion Forums

March 9, 2010, 01:23	Initial conditions	#1
shuo New Member shuo Join Date: Apr 2009 Posts: 17 Rep Power: 17	Hi I am simulating a steady supersonic free jet and was considering the initial conditions. I was considering fixing the boundary condition at the nozzle exit. The relevant values for a given stagnation pressure and temperature and nozzle geometry can be calculated using the isentropic relations. The remaining flow field is at ambient conditions. However, this assume a discontinuity across the nozzle exit - like a psuedo shock - so how realistic is the solution then? Regards Shuo

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