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Old 05-03-2008, 03:43 PM   #45 (permalink)
trebuchet03
MechE
 
Join Date: Dec 2007
Location: Orlando
Posts: 1,148

The Wagen - '00 Jetta GLS
90 day: 32.72 mpg (US)
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Quote:
Originally Posted by aerohead View Post
Thanks trebuchet03, looks like my texts are very dated now,They mentioned the Navier-Stokes equations,said they were so complicated,they essentially didn't "want to go there."
Even new textbooks are the same way... Probably because derivation of those equations is left to graduate work That's why we let computers handle it Let them make huge matrices and solve 'em... Then, later, we can test empirically... Frankly, I wouldn't know how to begin to solve Navier-Stokes equations for something like a car If you asked me to apply a load - well, I do know how to do some basic verification FEA by hand.... But CFD - forgetaboutit
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