A numerical method for three-dimensional gas-liquid flow computations

被引:44
|
作者
Hao, Y
Prosperetti, A [1 ]
机构
[1] Twente Inst Mech, Dept Appl Phys, NL-7500 AE Enschede, Netherlands
[2] Univ Twente, Burgerscentrum, NL-7500 AE Enschede, Netherlands
[3] Johns Hopkins Univ, Dept Mech Engn, Baltimore, MD 21218 USA
基金
美国国家科学基金会; 美国国家航空航天局;
关键词
numerical method; two-phase flow; bubble; front tracking; computational fluid dynamics;
D O I
10.1016/j.jcp.2003.10.032
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
A numerical method for multiphase flow computations based on a finite-difference formulation with a fixed grid is described. The method combines ideas from front tracking and the Ghost Fluid Method, with a numerical technique for velocity extrapolation near the interface. It is shown that the method is able to solve three-dimensional free-surface flow problems with an incompressible liquid and a compressible gas maintaining the interface sharp. Numerical results are compared with numerical solutions of the Rayleigh-Plesset equation for the free oscillation of a gas bubble, and independent front-tracking results for buoyant bubbles. Finally, the effects of an imposed sinusoidal liquid flow on a gas bubble are investigated. (C) 2003 Elsevier Inc. All rights reserved.
引用
收藏
页码:126 / 144
页数:19
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