A Front Tracking Method Based On Runge-Kutta Discontinuous Galerkin Methods
INTERNATIONAL JOURNAL OF ONLINE ENGINEERING(2016)
Abstract
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.
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Key words
Runge-Kutta discontinuous Galerkin methods, high-resolution, limiter, monotonicity preserving schemes, level set technique
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