A multi-layer description of subgrid-scale effects

【Author】

Ning Hu;Huan Liu;Zhensu She;

【Abstract】

<正>Large eddy simulations(LES) of wall-bounded turbulence suffer from the high anisotropy of near-wall coherent structures.The subgrid-scale(SGS) effects have complex dependences with grid sizes and wall distance.In this paper the inter-relation between coarse-grid and SGS fluctuation fields are investigated using a ra-

【Keywords】

SGS;La;LES;A multi-layer description of subgrid-scale effects;

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