Solution ofthe DiscontinuousP1Equations in Two-Dimensional Cartesian Geometry with Two-Level Preconditioning

DOI10.1137/S1064827500374583zbMath1035.65133MaRDI QIDQ4442452

Todd A. Wareing, James S. Warsa, Jim E. Morel

Publication date: 20 January 2004

Published in: SIAM Journal on Scientific Computing (Search for Journal in Brave)

zbMATH Keywords

numerical experimentsdiffusion equationfinite element methodsspherical harmonicsdiscontinuous Galerkin methodsradiative transferneutron transportconjugate gradient iterationmultilevel preconditioningKrylov iterative solverssmoothing relaxation

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35) Transport processes in time-dependent statistical mechanics (82C70) Nuclear reactor theory; neutron transport (82D75) Radiative transfer in astronomy and astrophysics (85A25)

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