Coarse bifurcation studies of bubble flow lattice Boltzmann simulations

被引：21
|
作者：
Theodoropoulos, C [1 ]
Sankaranarayanan, K [1 ]
Sundaresan, S [1 ]
Kevrekidis, IG [1 ]
机构：
[1] Princeton Univ, Dept Chem Engn, Princeton, NJ 08544 USA
来源：
CHEMICAL ENGINEERING SCIENCE | 2004年 / 59卷 / 12期
关键词：
lattice-Boltzmann; recursive projection method; bubble dynamics; bifurcations; stability analysis;
D O I：
10.1016/j.ces.2003.10.029
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
We demonstrate a "coarse time-stepper" based approach for the extraction of continuum-level stability and bifurcation information from kinetic theory based, LB simulations. Acting directly on the LB simulator, we sidestep the necessity of deriving macroscopic, explicitly closed continuum conservation equations. The approach is used to analyze the dynamics and the oscillatory instability of two-dimensional periodic arrays of gas bubbles rising in a liquid. (C) 2004 Elsevier Ltd. All rights reserved.
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页码：2357 / 2362
页数：6
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