A higher-order accuracy lattice Boltzmann model for the wave equation

被引：5
|
作者：
Zhang, Jianying [1 ]
Yan, Guangwu [1 ]
Dong, Yinfeng [1 ]
机构：
[1] Jilin Univ, Dept Mech & Engn Math, Coll Math, Changchun 130012, Peoples R China
来源：
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN FLUIDS | 2009年 / 61卷 / 06期
关键词：
lattice Boltzmann model; higher-order moment; wave equation;
D O I：
10.1002/fld.1981
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
A lattice Boltzmann model with higher-order accuracy for the wave motion is proposed. The new model is based on the technique of the higher-order moment of-equilibrium distribution functions and a series of lattice Boltzmann equations in different time scales. The forms of moments are derived from the binary wave equation by designing the higher-order dissipation and dispersion terms. The numerical results agree well with classical ones. Copyright (C) 2008 John Wiley & Sons, Ltd.
引用
收藏
页码：683 / 697
页数：15
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