Cemracs project: A composite finite volume scheme for the Euler equations with source term on unstructured meshes*

In this work we focus on an adaptation of the method described in [1] in order to deal with source term in the 2D Euler equations. This method extends classical 1D solvers (such as VFFC, Roe, Rusanov) to the two-dimensional case on unstructured meshes. The resulting schemes are said to be composite...

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Main Authors: Boujoudar Mohammed, Franck Emmanuel, Hoch Philippe, Lasuen Clément, Le Hénaff Yoan, Paragot Paul
Format: Article
Language:English
Published: EDP Sciences 2024-01-01
Series:ESAIM: Proceedings and Surveys
Online Access:https://www.esaim-proc.org/articles/proc/pdf/2024/02/proc2407706.pdf
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author Boujoudar Mohammed
Franck Emmanuel
Hoch Philippe
Lasuen Clément
Le Hénaff Yoan
Paragot Paul
author_facet Boujoudar Mohammed
Franck Emmanuel
Hoch Philippe
Lasuen Clément
Le Hénaff Yoan
Paragot Paul
author_sort Boujoudar Mohammed
collection DOAJ
description In this work we focus on an adaptation of the method described in [1] in order to deal with source term in the 2D Euler equations. This method extends classical 1D solvers (such as VFFC, Roe, Rusanov) to the two-dimensional case on unstructured meshes. The resulting schemes are said to be composite as they can be written as a convex combination of a purely node-based scheme and a purely edge-based scheme. We combine this extension with the ideas developed by Alouges, Ghidaglia and Tajchman in an unpublished work [2] – focused mainly on the 1D case – and we propose two attempts at discretizing the source term of the Euler equations in order to better preserve stationary solutions. We compare these discretizations with the “usual” centered discretization on several numerical examples.
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spelling doaj.art-97869546da5445d4aae72547c2994e092024-12-06T10:47:33ZengEDP SciencesESAIM: Proceedings and Surveys2267-30592024-01-017712314410.1051/proc/202477123proc2407706Cemracs project: A composite finite volume scheme for the Euler equations with source term on unstructured meshes*Boujoudar Mohammed0Franck Emmanuel1Hoch Philippe2Lasuen Clément3Le Hénaff Yoan4Paragot Paul5Mohammed VI Polytechnic UniversityUniversité de Strasbourg, CNRS, Inria, IRMACEA, DAM, DIFCEA, DAM, DIFUniversité de Rennes, IRMAR UMR 6625, Centre INRIA de l’Université de Rennes (MINGuS)Laboratoire J.A. Dieudonné, Université Côte d’AzurIn this work we focus on an adaptation of the method described in [1] in order to deal with source term in the 2D Euler equations. This method extends classical 1D solvers (such as VFFC, Roe, Rusanov) to the two-dimensional case on unstructured meshes. The resulting schemes are said to be composite as they can be written as a convex combination of a purely node-based scheme and a purely edge-based scheme. We combine this extension with the ideas developed by Alouges, Ghidaglia and Tajchman in an unpublished work [2] – focused mainly on the 1D case – and we propose two attempts at discretizing the source term of the Euler equations in order to better preserve stationary solutions. We compare these discretizations with the “usual” centered discretization on several numerical examples.https://www.esaim-proc.org/articles/proc/pdf/2024/02/proc2407706.pdf
spellingShingle Boujoudar Mohammed
Franck Emmanuel
Hoch Philippe
Lasuen Clément
Le Hénaff Yoan
Paragot Paul
Cemracs project: A composite finite volume scheme for the Euler equations with source term on unstructured meshes*
ESAIM: Proceedings and Surveys
title Cemracs project: A composite finite volume scheme for the Euler equations with source term on unstructured meshes*
title_full Cemracs project: A composite finite volume scheme for the Euler equations with source term on unstructured meshes*
title_fullStr Cemracs project: A composite finite volume scheme for the Euler equations with source term on unstructured meshes*
title_full_unstemmed Cemracs project: A composite finite volume scheme for the Euler equations with source term on unstructured meshes*
title_short Cemracs project: A composite finite volume scheme for the Euler equations with source term on unstructured meshes*
title_sort cemracs project a composite finite volume scheme for the euler equations with source term on unstructured meshes
url https://www.esaim-proc.org/articles/proc/pdf/2024/02/proc2407706.pdf
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