摘要
利用MAC方法对Rayleigh Taylor不稳定性进行了数值模拟 .主场方程采用变密度的不可压Navier Stokes方程 ,在Euler网格上进行求解 .为了克服Euler方法不能精确定位多介质交界面的问题 ,引入了Marker点来追踪界面 ,利用Lagrange方法计算界面的运动 。
MAC method for simulating Rayleigh Taylor instability is proposed. Variety density Navier Stokes equation is used as the control equation, solved on Euler meshes. Marker points are used to track the interface, since the Euler method is not accurate at localizing the interface. The movement of the interface is calculated through Lagrange methods. So that the interface can be located accurately.
基金
国家自然科学基金 (1 0 0 71 0 83)
中国科学技术大学火灾科学国家重点实验室创新基金资助项目
