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- W3031994577 abstract "In this paper, we propose an arbitrary Lagrangian Eulerian (ALE) method for solving compressible multi-material flows on two-dimensional adaptive unstructured triangular meshes. We couple a conservative equation related to a γ-model (or a mass fractional model) with the system of fluid equations for obtaining the specific heat ratio of the multi-material flows. The discretization of the coupling system is implemented by Runge-Kutta Discontinuous Galerkin (RKDG) method and the vertex velocity is obtained by the variational approach. The new meshes can be automatically redistributed and concentrated on regions with large gradient values. This work is a new development of our previous research for solving single-material flow with ALE-RKDG method. The proposed method is more concise compared to many other methods and robust for the simulations of multi-material flows. Numerical examples are presented to verify this method, and the results show that our scheme is not only efficient but also with the anticipative accuracy." @default.
- W3031994577 created "2020-06-05" @default.
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- W3031994577 date "2020-07-01" @default.
- W3031994577 modified "2023-10-17" @default.
- W3031994577 title "An arbitrary Lagrangian-Eulerian RKDG method for multi-material flows on adaptive unstructured meshes" @default.
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- W3031994577 doi "https://doi.org/10.1016/j.compfluid.2020.104589" @default.
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