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

被引：45

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

来源：

JOURNAL OF COMPUTATIONAL PHYSICS | 2004年 / 196卷 / 01期

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

页码：126 / 144

页数：19

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