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-   -   Urgent : Extrenal compressible Flow (http://www.cfd-online.com/Forums/fluent/32073-urgent-extrenal-compressible-flow.html)

venkatesh September 3, 2003 13:51

Urgent : Extrenal compressible Flow
 
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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