H-theorem and origins of instability in thermal lattice Boltzmann models

被引：47

作者：

Chen, H ^{[1
]}

Teixeira, C ^{[1
]}

机构：

[1] Exa Corp, Lexington, MA 02420 USA

来源：

COMPUTER PHYSICS COMMUNICATIONS | 2000年 / 129卷 / 1-3期

关键词：

Boltzmann kinetic theory; lattice Boltzmann; H-theorem; semi-detailed balance; thermohydrodynamics;

D O I：

10.1016/S0010-4655(00)00089-8

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

In this paper, we present an H-theorem for lattice Boltzmann systems. This is a straightforward extension from that for lattice gas systems obeying generalized semi-detailed balance. We point out that the origin of reduced stabilities seen in thermal lattice Boltzmann models is related to the lack of a global H-theorem. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

收藏

页码：21 / 31

页数：11

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