Preconditioning Complicated Finite Elements by Simple Finite Elements

DOI10.1137/S1064827594277065zbMath0857.65114MaRDI QIDQ4895607

Susanne C. Brenner

Publication date: 9 March 1997

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

zbMATH Keywords

finite elementspreconditioningbiharmonic equationLaplace equationadditive Schwarz methods

Mathematics Subject Classification ID

Boundary value problems for higher-order elliptic equations (35J40) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Numerical computation of matrix norms, conditioning, scaling (65F35) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Biharmonic, polyharmonic functions and equations, Poisson's equation in two dimensions (31A30)

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