Titre :

An Hybrid Finite Volume-Finite Element Method for Variable Density Incompressible Flows

Auteur(s) :

Calgaro, Caterina [Auteur]
SImulations and Modeling for PArticles and Fluids [SIMPAF]
Creusé, Emmanuel [Auteur]
SImulations and Modeling for PArticles and Fluids [SIMPAF]
Goudon, Thierry [Auteur]
SImulations and Modeling for PArticles and Fluids [SIMPAF]

Titre de la revue :

Journal of Computational Physics

Pagination :

4671-4696

Éditeur :

Elsevier

Date de publication :

2008-04-20

ISSN :

0021-9991

Mot(s)-clé(s) en anglais :

Rayleigh-Taylor instability
Incompressible Navier-Stokes Equations
Variable density flows
Finite Element method
Finite Volume method

Discipline(s) HAL :

Mathématiques [math]/Equations aux dérivées partielles [math.AP]
Physique [physics]/Mécanique [physics]/Mécanique des fluides [physics.class-ph]

Résumé en anglais : [en]

This paper is devoted to the numerical simulation of variable density incompressible flows, modeled by the Navier-Stokes system. We introduce an hybrid scheme which combines a Finite Volume approach for treating the mass ...
Lire la suite >This paper is devoted to the numerical simulation of variable density incompressible flows, modeled by the Navier-Stokes system. We introduce an hybrid scheme which combines a Finite Volume approach for treating the mass conservation equation and a Finite Element method to deal with the momentum equation and the divergence free constraint. The breakthrough relies on the definition of a suitable footbridge between the two methods, through the design of compatibility condition. In turn, the method is very flexible and allows to deal with unstructured meshes. Several numerical tests are performed to show the scheme capabilities. In particular, the viscous Rayleigh-Taylor instability evolution is carefully investigatedLire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Collections :

• Laboratoire Paul Painlevé - UMR 8524

Source :

Harvested from HAL