Preconditioning of the LDG method for the vector Helmholtz equation

 

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Autori: Alvarado, Arlin, Castillo, Paul
Natura: artículo original
Status:Versión publicada
Data di pubblicazione:2016
Descrizione:A numerical study of a preconditioner for the vector Helmholtz equation based on the shifted Laplacian preconditioning technique is presented. The Local Discontinuous Galerkin (LDG) method is used as spatial discretization technique. Scalability of the preconditioner is validated on a series of numerical experiments in polyhedral domains for high order approximations on low frecuency problems in the real case.
Stato:Portal de Revistas UCR
Istituzione:Universidad de Costa Rica
Repositorio:Portal de Revistas UCR
Lingua:Español
OAI Identifier:oai:portal.ucr.ac.cr:article/25154
Accesso online:https://revistas.ucr.ac.cr/index.php/matematica/article/view/25154
Keyword:preconditioning
vector Helmholtz equation
LDG method
precondicionamiento
ecuación vectorial de Helmholtz
método LDG