Convergence of discontinuous Galerkin schemes for the Euler equations via dissipative weak solutions

作者:

Highlights:

• Introduction of dissipative weak solutions for the Euler equations in the framework of high-order FE methods.

• First investigation of convergence of high-order FE schemes in terms of dissipative weak solutions for the Euler equations.

• Consistency analysis of high-order DG methods without any underlying smoothness assumptions.

• Recipe of obtaining a convergence result in terms of dissipative weak solutions.

• Numerical validation of convergence using Cesaro averages for the Kelvin–Helmholtz problem.

摘要

•Introduction of dissipative weak solutions for the Euler equations in the framework of high-order FE methods.•First investigation of convergence of high-order FE schemes in terms of dissipative weak solutions for the Euler equations.•Consistency analysis of high-order DG methods without any underlying smoothness assumptions.•Recipe of obtaining a convergence result in terms of dissipative weak solutions.•Numerical validation of convergence using Cesaro averages for the Kelvin–Helmholtz problem.

论文关键词:Euler equations,Dissipative weak solutions,Convergence analysis,Discontinuous Galerkin,Structure preserving

论文评审过程:Received 16 March 2022, Revised 20 July 2022, Accepted 23 August 2022, Available online 5 September 2022, Version of Record 5 September 2022.

论文官网地址:https://doi.org/10.1016/j.amc.2022.127508