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多介质流动数值计算中的界面处理方法

DOI: 10.11858/gywlxb.2006.03.005, PP. 249-256

Keywords: 多介质流体界面,Riemann问题,虚拟流动方法,&gamma,-model方法,MWENO格式

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Abstract:

求解Riemann问题得到界面接触间断的流动状态,并以此构造带状区域的虚拟流体状态,对于多维问题设计了一种方便有效的算法。同时求解耦合的守恒形式欧拉方程组和非守恒界面捕捉方程,并用Level-Set函数捕捉界面,数值计算采用高分辨率MWENO格式。最后对可压缩多介质流动问题进行了数值模拟。

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