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Fifth International Symposium on Turbulence and Shear Flow Phenomena
August, 27-29, 2007, Technische Universität München, Munich, Germany

DOI: 10.1615/TSFP5

SHEAR-IMPROVED SMAGORINSKY MODEL FOR LARGE-EDDY SIMULATION OF WALL-BOUNDED TURBULENT FLOWS

pages 451-454
DOI: 10.1615/TSFP5.690
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摘要

A refinement of the standard Smagorinsky model is proposed in order to take into account the inhomogeneities of the mean flow. First results concerning turbulent plane- channel flows and backward-facing step flows indicate that the model possesses a good predictive capability, essentially equivalent to the dynamic Smagorinsky model, but with a computational cost and a manageability comparable to the original Smagorinsky model.

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