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simulation of Vehicle in actual road conditions

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Old   April 6, 2009, 12:19
Default simulation of Vehicle in actual road conditions
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Hey , i am using fluent for Flow analysis, i am presently simulating a bus running at a speed.

I have to make a domain to do external air flow analysis. Can anybody help me in deciding the dimensions of external domain, as i have meshing issues, because my Computational resources are limited.

is it possible to use pressure far field or non reflecting boundary conditions to simulate such case.

please help me
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