Abstract
A new subgrid eddy viscosity model is proposed for large eddy simulation of turbulent flows. The new model is based on the exact energy transport equation between resolved and unresolved scale turbulence. The subgrid eddy viscosity of new model is proportional to the skewness of longitudinal velocity increment, which measures the ratio of cascade energy to the dissipation. The new model is verified in isotropic turbulence and tested in turbulent channel flow with satisfaction.
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