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

被引:3
作者
Frerichs-Mihov, Derk [1 ]
John, Volker [1 ,2 ]
机构
[1] Weierstr Inst Appl Anal & Stochast WIAS, Mohrenstr 39, D-10117 Berlin, Germany
[2] Free Univ Berlin, Dept Math & Comp Sci, Arnimallee 6, D-14195 Berlin, Germany
关键词
Convection-diffusion equations; Discontinuous Galerkin methods; Spurious oscillations; Post-processing techniques; Slope limiter;
D O I
10.1016/j.aml.2022.107969
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
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. (C) 2022 Elsevier Ltd. All rights reserved.
引用
收藏
页数:7
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