LATTICE BOLTZMANN DYNAMICS AND DYNAMICAL SYSTEM SUB-GRID MODELS

被引：1
|
作者：
Wu, Chui-Jie [1 ]
Guan, Hui [2 ]
机构：
[1] Dalian Univ Technol, Dept Eng Mech, Dalian 116024, Peoples R China
[2] PLA Univ Sci & Tech, Res Ctr Fluid Dyn, Nanjing 211101, Peoples R China
来源：
MODERN PHYSICS LETTERS B | 2009年 / 23卷 / 03期
关键词：
Large-Eddy simulation; lattice Boltzmann method; dynamics SGS model; dynamical system SGS model;
D O I：
10.1142/S0217984909018370
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The dynamics sub-grid scale (SGS) models and the dynamical system SGS model are introduced into the lattice Boltzmann method (LBM), and applied to numerical simulation of turbulent cavity flows. The results are compared with those of direct numerical simulation of turbulence and Smagorinsky SGS model. A new average method of eliminating the inherent unphysical oscillation of LBM is also given.
引用
收藏
页码：349 / 352
页数：4
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