WIAS Preprint No. 2912, (2022)

On a technique for reducing spurious oscillations in DG solutions of convection-diffusion equations



Authors

  • Frerichs-Mihov, Derk
  • John, Volker
    ORCID: 0000-0002-2711-4409

2020 Mathematics Subject Classification

  • 65N30

Keywords

  • convection-diffusion equations, discontinuous Galerkin methods, spurious oscillations, post-processing techniques, slope limiter

DOI

10.20347/WIAS.PREPRINT.2912

Abstract

This note studies a generalization of a post-processing technique and a novel method inspired by the same technique which significantly reduce spurious oscillations in discontinuous Galerkin solutions of convection-diffusion equations in the convection-dominated regime.

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