Efficient management of parallelism in object-oriented numerical software libraries
Modern software tools for scientific computing
Block Preconditioners Based on Approximate Commutators
SIAM Journal on Scientific Computing
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This paper discusses the solution of the Stokes problem using block preconditioned iterative methods Block preconditioners are based on the block factorization of the discretized problem We focus on two specific types: SIMPLE-type preconditioners and the LSC preconditioner Both methods use scaling to improve their performance We test convergence of GCR in combination with these preconditioners both for a constant and a non-constant viscosity Stokes problem.