Energy dissipation bounds for shear flows for a model in large eddy simulation

被引：13
|
作者：
Layton, WJ [1 ]
机构：
[1] Univ Pittsburgh, Dept Math, Pittsburgh, PA 15260 USA
来源：
MATHEMATICAL AND COMPUTER MODELLING | 2002年 / 35卷 / 13期
基金：
美国国家科学基金会;
关键词：
large eddy simulation; energy dissipation; shear flows;
D O I：
10.1016/S0895-7177(02)00095-X
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This report gives an upper bound for the time average of the energy dissipation rate, including energy dissipation due to viscous dissipation and turbulent diffusion in a model for the motion of large eddies in a turbulent flow. The bound is only a function of the reference velocity U, the domain diameter L, the eddy size delta, and surprisingly, the Reynolds number. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：1445 / 1451
页数：7
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