WIAS Preprint No. 2912, (2022)
On a technique for reducing spurious oscillations in DG solutions of convection-diffusion equations
Authors
- Frerichs-Mihov, Derk
ORCID: 0000-0002-4474-5042 - 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
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.
Appeared in
- Appl. Math. Lett., 129 (2022), pp. 107969/1--107969/7, DOI 10.1016/j.aml.2022.107969 .
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