New coarse corrections for optimized restricted additive Schwarz using PETSc

DOI10.1007/978-3-030-56750-7_56zbMath1502.65245OpenAlexW3094112803MaRDI QIDQ2100395

Martin J. Gander, Serge Van Criekingen

Publication date: 21 November 2022

Full work available at URL: https://doi.org/10.1007/978-3-030-56750-7_56

zbMATH Keywords

additive Schwarz methodsGMRES accelerationnew coarse corrections: preconditioning

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Iterative numerical methods for linear systems (65F10) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Parallel numerical computation (65Y05) Mesh generation, refinement, and adaptive methods for boundary value problems involving PDEs (65N50) Finite difference methods for boundary value problems involving PDEs (65N06) Preconditioners for iterative methods (65F08)

Related Items

Substructured two-grid and multi-grid domain decomposition methods

Uses Software

• BoomerAMG
• hypre
• PETSc