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Old 07-12-2010, 02:59 PM   #34 (permalink)
3-Wheeler
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This is a picture of CFD analysis for the Chevy Volt.

The article went on to say that nowadays, the preferred method of measuring air drag is with CFD.

Building a clay model with the same level of detail that can be achieved with the CFD is cost prohibitive, and the CFD gives the results in a reasonable time period.



The grill was detailed in such a way as to meet the cooling requirements on the hottest day in Arizona for example.



Jim.
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