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

来源：

APPLIED MATHEMATICS LETTERS | 2022年 / 129卷

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

页数：7

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