Preconditioners for solving the indefinite linear system for higher order   H   (curl) discretisations | Zendy

Ledger Paul David | Zendy

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Preconditioners for solving the indefinite linear system for higher order H (curl) discretisations

Author(s) -

Ledger Paul David

Publication year - 2007

Publication title -

pamm

Language(s) - English

Resource type - Journals

ISSN - 1617-7061

DOI - 10.1002/pamm.200700572

Subject(s) - curl (programming language) , polygon mesh , singularity , finite element method , mathematics , linear system , system of linear equations , order (exchange) , iterative method , mathematical analysis , computer science , geometry , algorithm , physics , thermodynamics , finance , economics , programming language

This paper presents numerical results for a preconditioning technique for the iterative solution of the indefinite linear system of equations obtained when a higher order H (curl) conforming finite element approximation is adopted for the vector wave equation. Numerical results are presented for a model problem that includes a singularity at the origin and dicretisations that include graded meshes and uniform p . (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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