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Urgent : Extrenal compressible Flow

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Old   September 3, 2003, 13:51
Default Urgent : Extrenal compressible Flow
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Hi ,

I want to simulate the external compressible flow over a object approximatley similar to cone with mach number 2.

What is the bounary condition i should use for free boundary ? If as specified by the manual to use the Pressure Far-Field Boumdary Condition the domain 10-20 times of the charecteristic dimension is mandatory ??

I dont have resourses for such a big domain... what is the alternate Boundary Condition I can use

Thanks Venkatesh.V
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