Subgrid-scale modeling suggested by a two-scale DIA
作者： A Yoshizawa
DOI: 10.1016/0167-6105(93)90115-5
关键词: Statistical physics 、 Scale (ratio) 、 Energy cascade 、 Scale model 、 Physics 、 Representation (mathematics) 、 Reynolds stress 、 Large eddy simulation 、 Helicity 、 Vorticity
摘要: Abstract Subgrid-scale (SGS) modeling in large eddy simulation is studied using the results of a two-scale DIA about effects helicity controlling energy cascade process. Such are closely related to vorticity on SGS Reynolds stress that lacking SGS-viscosity representation. These applied improvement models Smagorinsky type. Discussion also made relationship with present two-equation model and one-equation based energy.
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