how to calculate coefficient of drag -- CFD Online Discussion Forums

July 22, 2015, 06:48

how to calculate coefficient of drag

emregungor

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emre

Join Date: Jul 2015

Posts: 12

Rep Power: 11

I'm trying to calculate the coefficient of drag model of a car we design.

The resulst ı get from the fluent are as attachead. These results differ from results the same model, solved by an experienced analyst ı kknow.

ı could not figure out what I'm missing. I can post more data if necessary.

What should ı do to get an acceptible walue?

Attached Images

	fluid.jpg (42.5 KB, 9 views)
	fluid solution details.jpg (42.6 KB, 7 views)
	fluid drag monitor.jpg (42.6 KB, 8 views)
	fluid boundray cond..jpg (39.8 KB, 6 views)
	Fluid CD Result.jpg (48.7 KB, 8 views)

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