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Analysis of preconditioners for saddle-point problems

Abstract:
Mixed finite element formulations give rise to large, sparse, block linear systems of equations the solution of which is often sought via a preconditioned iterative technique. In this work we present a general analysis of block-preconditioners based on the stability conditions inherited from the formulation of the finite element method (the Babuska-Brezzi, or inf-sup conditions).

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A. J. Wathen More by this author
Publication date:
2002-07-05
URN:
uuid:06042bc2-649b-4c2d-ad5e-39578f10edcc
Local pid:
oai:eprints.maths.ox.ac.uk:1215

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