A gas kinetic scheme for the Baer-Nunziato two-phase flow model

被引:13
|
作者
Pan, Liang [2 ]
Zhao, Guiping [3 ]
Tian, Baolin [1 ]
Wang, Shuanghu [1 ]
机构
[1] Inst Appl Phys & Computat Math, Key Lab Computat Phys, Beijing 100088, Peoples R China
[2] China Acad Engn Phys, Grad Sch, Beijing 100088, Peoples R China
[3] Natl Nat Sci Fdn China, Beijing 100085, Peoples R China
关键词
Baer-Nunziato model; Generalized BGK model; Gas kinetic method; TO-DETONATION TRANSITION; COMPRESSIBLE FLOWS; RIEMANN PROBLEM; GODUNOV METHOD; EQUATIONS; DEFINITION;
D O I
10.1016/j.jcp.2012.04.049
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
Numerical methods for the Baer-Nunziato (BN) two-phase flow model have attracted much attention in recent years. In this paper, we present a new gas kinetic scheme for the BN two-phase flow model containing non-conservative terms in the framework of finite volume method. In the view of microscopic aspect, a generalized Bhatnagar-Gross-Krook (BGK) model which matches with the BN model is constructed. Based on the integral solution of the generalized BGK model, we construct the distribution functions at the cell interface. Then numerical fluxes can be obtained by taking moments of the distribution functions, and non-conservative terms are explicitly introduced into the construction of numerical fluxes. In this method, not only the complex iterative process of exact solutions is avoided, but also the non-conservative terms included in the equation can be handled well. (C) 2012 Elsevier Inc. All rights reserved.
引用
收藏
页码:7518 / 7536
页数:19
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