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The deal.II tutorial step-56: Geometric Multigrid for the Stokes Equations

Ryan Grove; Timo Heister

The purpose of this tutorial program, which is part of the deal.II finite element library, is to create an efficient linear solver for the Stokes equation and compare it to alternative approaches.  Here, we will use FGMRES with geometric multigrid as a preconditioner velocity block.

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