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Old 06-29-2009, 05:28 PM   #27 (permalink)
Bicycle Bob
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Join Date: May 2008
Location: N. Saskatchewan, CA
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Appliance White - '93 Metro 4-Dr. Auto
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"I would love to compare the Cd of raindrops and cars of various geometries, but I can't get OpenFOAM to work."

Raindrops are oval, not "teardrop shaped" because without a wet trail, surface tension severely rounds their tails. Air pressure at speed can make large drops orient themselves as parachutes.
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