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ESAIM: Proc., 2007, Vol. 16, pp. 181-194
DOI: 10.1051/proc:2007006
On space-time adaptive schemes for the numerical solution of PDEs
Margarete O. Domingues1, 2, Olivier Roussel3 and Kai Schneider1, 41 Laboratoire de Modélisation et Simulation Numérique en Mécanique et Génie des Procédés (MSNM-GP), CNRS and Universités d'Aix-Marseille, 38, rue F. Joliot-Curie, 13451 Marseille Cedex 20, France.
2 Laboratório Associado de Computação e Matemática Aplicada (LAC), Instituto Nacional de Pesquisas Espaciais (INPE), Av. dos Astronautas, 1758, 12227-010 São José dos Campos, Brazil.
3 Institut für Technische Chemie und Polymerchemie (TCP), Universität Karlsruhe, Kaiserstr. 12, 76128 Karlsruhe, Germany.
4 Centre de Mathématiques et d'Informatique (CMI), Université de Provence, 39 rue F. Joliot-Curie, 13453 Marseille Cedex 13, France.
margarete@lac.inpe.br
roussel@ict.uni-karlsruhe.de
kschneid@cmi.univ-mrs.fr
(Published online: 2 March 2007)
Abstract
A fully adaptive numerical scheme for solving PDEs based on a finite volume discretization
with explicit time discretization is presented.
The local grid refinement is triggered by a multiresolution strategy which allows to control the approximation error in space.
The costly fluxes are evaluated on the adaptive grid only.
For automatic time step control a Runge-Kutta-Fehlberg method is used.
Résumé
Mathematics Subject Classification. 65M50, 65L06, 76M12
Key words: Adaptivity, multiresolution, finite volume, Runge-Kutta-Fehlberg, partial differential equation
© EDP Sciences, ESAIM 2007
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