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-   -   How long should be domain for external flow (http://www.cfd-online.com/Forums/fluent/121281-how-long-should-domain-external-flow.html)

sasanghomi July 25, 2013 06:27

How long should be domain for external flow
 
Hi friends,

I want to simulate flow around a missile (subsonic flow). some references say the domain around the missile should be 10-15 times length of missile. But I found an article that it's domain was 60 times diameter of missile.
Which one is correct? (10*L Or 60*D )??

I appreciate your help
thanks and best regards,
Sasan.

Far July 25, 2013 07:41

You should go for 15* Length for upstream and sides and 25* length for downstream


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