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A Front Tracking Method Based on Runge-Kutta Discontinuous Galerkin Methods

机译:基于Runge-Kutta间断Galerkin方法的前跟踪方法

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In this paper, a high-resolution front tracking method was presented for interface tracking simulation with Runge-Kutta discontinuous Galerkin methods. An interface treating method of the discontinuous methods is presented. This method don’t construct the ghost fluid and the flow information on both sides next to the interface is used to solve the interfacial status. The limiter adopted the combination of the shock detection and monotonicity-preserving limiter and level set method is used for tracking the interface. Result shown that the front tracking of the high-order accurate Runge-Kutta discontinuous Galerkin method exhibits very good agreement with exact solution in the interface condition that contain strong shock.
机译:在本文中,提出了一种高分辨率的前端跟踪方法,用于使用Runge-Kutta不连续Galerkin方法进行界面跟踪仿真。提出了一种不连续方法的界面处理方法。这种方法不会构造鬼流体,并且界面两侧的流动信息都用于解决界面状态。该限幅器采用了冲击检测和保持单调性的限幅器相结合的方式,并且使用电平设置方法来跟踪界面。结果表明,在含有强烈冲击的界面条件下,高阶准确的Runge-Kutta间断Galerkin方法的前跟踪与精确解表现出很好的一致性。

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