SPECIAL ISSUE: Proceedings of the Third International Symposium on Physics of Fluids (ISPF3), 15–18 June, 2009, Jiuzhaigou, China — Applications of Fluid MechanicsNo Access

SCALING LAWS, TURBULENCE STRUCTURE AND SUBGRID-SCALE MODELS FOR LARGE EDDY SIMULATION

KEQI DING

State Key Laboratory of Turbulence and Complex Systems, Peking University, Beijing, 100871, China

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ZUOLI XIAO

Center for Applied Physics and Technology, Peking University, Beijing, 100871, China

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YIPENG SHI

Center for Applied Physics and Technology, Peking University, Beijing, 100871, China

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https://doi.org/10.1142/S0217984910023839Cited by:0 (Source: Crossref)

Abstract

Turbulence structures are classified by defining the structure parameters. It is verified that the probabilities of these structure classes keep invariant at different scales within the inertial range. It is also shown that this scale-invariant property of turbulence leads to the existence of scaling laws for a series of physical quantities. From them we deduce the variation principle and the physical constraints to optimize the subgrid-scale stress model coefficients for large eddy simulation.

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