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M-Star President John Thomas discusses direct numerical simulation (DNS) and large eddy simulation (LES) within the context of industrial scale computational fluid dynamics (CFD). The analysis includes a discussion of length scales relevant to turbulent flows, as well as the influence of LES filtering on the predicted velocity fields. Whereas previous investigations into DNS and LES modeling approaches have focused primarily on academic systems, these high-fidelity modeling applications are discussed within the context of industrial scale.
