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A robust multigrid method for the time-dependent Stokes problem

Abstract:

In the present paper we propose an all-at-once multigrid method for generalized Stokes flow problems. Such problems occur as subproblems in implicit time-stepping approaches for time-dependent Stokes problems. The discretized optimality system is a large scale linear system whose condition number depends on the grid size of the spacial discretization and of the length of the time step. Recently, for this problem an all-at-once multigrid method has been proposed, where in each smoothing step t...

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Stefan Takacs More by this author
Publication date:
2013-05-05
URN:
uuid:5adea46e-3d5c-4b25-bb4f-0c0a6257dbe3
Local pid:
oai:eprints.maths.ox.ac.uk:1706

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