Titre :

Effcient numerical methods for strongly anisotropic elliptic equations

Auteur(s) :

Besse, Christophe [Auteur]
SImulations and Modeling for PArticles and Fluids [SIMPAF]
Laboratoire Paul Painlevé - UMR 8524 [LPP]
Deluzet, Fabrice [Auteur]
Institut de Mathématiques de Toulouse UMR5219 [IMT]
Negulescu, Claudia [Auteur]
Laboratoire d'Analyse, Topologie, Probabilités [LATP]
Yang, Chang [Auteur]
SImulations and Modeling for PArticles and Fluids [SIMPAF]
Laboratoire Paul Painlevé - UMR 8524 [LPP]

Mot(s)-clé(s) en anglais :

Anisotropic elliptic equation
Singular Perturbation Model
Asymptotic Preserving scheme
Scharfetter-Gummel scheme
Heterogeneous anisotropy ratios.
Heterogeneous anisotropy ratios

Discipline(s) HAL :

Mathématiques [math]/Physique mathématique [math-ph]

Résumé en anglais : [en]

In this paper, we study an effcient numerical scheme for a strongly anisotropic elliptic problem which arises in the modeling of ionospheric plasma dynamics. A small parameter \varepsilon induces the anisotropy of the ...
Lire la suite >In this paper, we study an effcient numerical scheme for a strongly anisotropic elliptic problem which arises in the modeling of ionospheric plasma dynamics. A small parameter \varepsilon induces the anisotropy of the problem, which leads to severe numerical diffculties for 0 < \varepsilonLire moins >

Langue :

Anglais

Collections :

• Laboratoire Paul Painlevé - UMR 8524

Source :

Harvested from HAL