Decoupling Three-Dimensional Mixed Problems Using Divergence-Free Finite Elements

DOI10.1137/S1064827500375886zbMath1038.65125MaRDI QIDQ2780601

Robert Scheichl

Publication date: 15 April 2002

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

zbMATH Keywords

numerical resultspreconditioningmixed finite elementssecond-order elliptic boundary value problemsspanning treesdecoupled iterative methoddivergence free elementsNédélec's edge elementsRaviart-Thomas-Nédélec elementssaddle pointproblems

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) 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)

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