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A weak Galerkin finite element method for nonlinear conservation laws

  • Received: 01 April 2020 Revised: 01 July 2020 Published: 16 September 2020
  • Primary: 65N15, 65N30; Secondary: 35J50

  • A weak Galerkin (WG) finite element method is presented for nonlinear conservation laws. There are two built-in parameters in this WG framework. Different choices of the parameters will lead to different approaches for solving hyperbolic conservation laws. The convergence analysis is obtained for the forward Euler time discrete and the third order explicit TVDRK time discrete WG schemes respectively. The theoretical results are verified by numerical experiments.

    Citation: Xiu Ye, Shangyou Zhang, Peng Zhu. A weak Galerkin finite element method for nonlinear conservation laws[J]. Electronic Research Archive, 2021, 29(1): 1897-1923. doi: 10.3934/era.2020097

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  • A weak Galerkin (WG) finite element method is presented for nonlinear conservation laws. There are two built-in parameters in this WG framework. Different choices of the parameters will lead to different approaches for solving hyperbolic conservation laws. The convergence analysis is obtained for the forward Euler time discrete and the third order explicit TVDRK time discrete WG schemes respectively. The theoretical results are verified by numerical experiments.



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