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-   -   Not able to start a Supersonic-Calculation (https://www.cfd-online.com/Forums/fluent/40182-not-able-start-supersonic-calculation.html)

 Gernot March 17, 2006 13:04

Not able to start a Supersonic-Calculation

Hi,

I'm not able to start a supersonic-Calculation in FLUENT. Here the facts. Please check it! If there are any problems, please note me.

thanks a lot!!!

pressure_inlet: Gauge Total Pressure = 300000 Pa

Initial Gauge Pressure = 0 Pa

pressure_outlet: Gauge Pressure = 0 Pa

Solver: Standard k-Omega-Model

Coupled

Material: air - ideal gas

cp = constant

Therm. Cond. = constant

Viscosity = sutherland

 Prasath March 18, 2006 03:36

Re: Not able to start a Supersonic-Calculation

Hi u put the static pressure in the place of Initial Gauge Pressure . For e.g For M2 For Po=295760 Pstatic is 37800 Pa.

Regards Prasatth

 Gernot March 18, 2006 07:07

Re: Not able to start a Supersonic-Calculation

Thanks Prasath,

How I can calculate the pressures at M = 2 ?

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