Drag Reduction and CFD -- CFD Online Discussion Forums

January 20, 2008, 03:21	Drag Reduction and CFD	#1
Daniel Guest Posts: n/a	Hi all, I have some questions again, 1. Can CFD predict Drag reduction? How is it? 2. If it can, then by which ways, DNS or LES or DES or RANS? which one is better? Is there anything I should noticed during prediction? For example, cylinder flow. I am using LES, and I am not sure whether the LES method has the capability or not. Any help is appreciated! Daniel

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