Piecewise parabolic method for compressible multi-fluid flows with van der Waals equation of state

被引：0
|
作者：
Zheng, Jianguo [1 ]
Ma, Dongjun [1 ]
Sun, Dejun [1 ]
Yin, Xieyuan [1 ]
机构：
[1] School of Engineering Science, University of Science and Technology of China, Hefei 230027, China
来源：
Jisuan Wuli/Chinese Journal of Computational Physics | 2007年 / 24卷 / 03期
关键词：
Approximation theory - Computer simulation - Equations of state - Mathematical models - Van der Waals forces - Volume fraction;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
In a compressible fluid-mixture model based on volume fraction, a high-order piecewise parabolic method (PPM) is employed to solve multi-fluid flows characterized by the van der Waals equation of state. A double shock approximation is used in the Riemann solver. Simulation on a pure interface problem indicates that the pressure and velocity profiles do not show any spurious oscillation at the contact discontinuity and the numerical diffusion is limited within two or three cell grids. It shows that the method deals with such physical problems as contact discontinuity, shock, multi-dimensional slip line efficiently.
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页码：287 / 294
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