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How to set Pressure inlet boundary condition?

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Old   May 12, 2011, 12:53
Default How to set Pressure inlet boundary condition?
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I have a pipe with 3 bar in inlet. I want to use the pressure inlet but I don't know the difference between "Supersonic/Initial Gauge Pressure" and "Gauge total pressure". If i have a situation that it's M<0.3 a don't need "Supersonic/Initial Gauge Pressure" that right

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