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Fluent or CFX if Ma >5 ?

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Old   October 20, 2005, 10:18
Default Fluent or CFX if Ma >5 ?
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If I want to simualte a case with Ma >5, which software is better, Fluent or CFX? Or another one? Thanks.

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Old   October 21, 2005, 05:56
Default Re: Fluent or CFX if Ma >5 ?
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They all can't do it! You can use Fastran(CFDRC). The Fastran is designed to calculate the high Mach Fluid.
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Old   October 23, 2005, 04:53
Default Re: Fluent or CFX if Ma >5 ?
Emre Ozturk
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Although I do not know the situation after ESI thing, Fastran was good in aerothermal flows, I am not sure about CFX but I know Fluent can solve hypersonic flows. Fluent has a validation case where Ma=29.45(Yes, Ma=29.45!) around a sphere is simulated. The results are compared with two experimental data, one of Widhopf AIAA-88-2711, the other Dellinger AIAA-69-655 and there is an excellent agreement. Please note that flow is dissociating --> in chemical non-equilibrium.


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