A Moment-Parity Multigrid Preconditioner for the First-Order System Least-Squares Formulation of the Boltzmann Transport Equation

This paper describes a preconditioned conjugate gradient scheme for the Pn-h finite element discretization of a first-order system least-squares (FOSLS) formulation of the Boltzmann transport equation. The preconditioner is based on the norm equivalence between the FOSLS functional and a V norm. Its...

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Vydané v:	SIAM journal on scientific computing Ročník 25; číslo 2; s. 513 - 533
Hlavní autori:	Brown, P. N., Lee, B., Manteuffel, T. A.
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	Philadelphia Society for Industrial and Applied Mathematics 01.01.2003
Predmet:	Algorithms Applied mathematics Atoms & subatomic particles Laboratories Parity
ISSN:	1064-8275, 1095-7197
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