Sir, In Pressure Inlet BC we have to fill 2 things, One is Total gauge pressure where I am specifying the given Po. But in supersonic/Inlet gauge pressure I don't know what I need to specify.
Also, I am specifying Ambient pressure at Pressure Outlet BC for sides outside of nozzle wall.
Because at Nozzle Inlet the M = 0 so logicallyStatic Pressure is same as Stagnation pressure at nozzle inlet.
But I have seen in some papers where they specify Ambient pressure in Supersonic/Inlet Gauge Pressure itself, as well as in Pressure outlet.
Could you please tell me what might be the reason for that?
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