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A conjugate gradient method and a multigrid algorithm for Morley s finite element approximation of the biharmonic equation

✍ Scribed by P. Peisker; D. Braess

Publisher
Springer-Verlag
Year
1987
Tongue
English
Weight
739 KB
Volume
50
Category
Article
ISSN
0029-599X

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A null space algorithm for mixed finite-
A null space algorithm for mixed finite-element approximations of Darcy's equation
✍ Arioli, Mario ;Manzini, Gianmarco πŸ“‚ Article πŸ“… 2002 πŸ› John Wiley and Sons 🌐 English βš– 186 KB πŸ‘ 1 views

## Abstract A null space algorithm is considered to solve the augmented system produced by the mixed finite‐element approximation of Darcy's Law. The method is based on the combination of an orthogonal factorization technique for sparse matrices with an iterative Krylov solver. The computational ef