Mesh size for DNS and LES - Page 2 -- CFD Online Discussion Forums

June 10, 1999, 19:52	Mesh size for DNS and LES	#1
Glenn Horrocks Guest Posts: n/a	Hi all, I've been doing some reading into DNS and LES techniques, and I have been having some problems finding how you can determine what mesh size you require for the two approaches. The papers I have seen just say "we used a mesh of x by y by z", with no justification that the mesh they used is fine enough to resolve the turbulence scale structures. Does anyone have any references on how fine a mesh is required for DNS or LES? Or am I missing something? Regards, Glenn

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