Search Results for author: Matthew G. Knepley

Found 2 papers, 0 papers with code

PCPATCH: software for the topological construction of multigrid relaxation methods

no code implementations18 Dec 2019 Patrick E. Farrell, Matthew G. Knepley, Lawrence Mitchell, Florian Wechsung

Effective relaxation methods are necessary for good multigrid convergence.

Mathematical Software Numerical Analysis Numerical Analysis

Composing Scalable Nonlinear Algebraic Solvers

no code implementations14 Jul 2016 Peter R. Brune, Matthew G. Knepley, Barry F. Smith, Xuemin Tu

Most efficient linear solvers use composable algorithmic components, with the most common model being the combination of a Krylov accelerator and one or more preconditioners.

Numerical Analysis Mathematical Software 65F08, 65Y05, 65Y20, 68W10

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