Scalable two-level preconditioning and deflation based on a piecewise constant subspace for (SIP)DG systems for diffusion problems

DOI10.1016/j.cam.2014.06.028zbMath1297.65036OpenAlexW2115869840MaRDI QIDQ457705

P. van Slingerland, Kees Vuik

Publication date: 29 September 2014

Published in: Journal of Computational and Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.cam.2014.06.028

zbMATH Keywords

conjugate gradient methoddeflationdiffusion problemssymmetric interior penalty Galerkin discretizationtwo-level preconditioning

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Iterative numerical methods for linear systems (65F10)

Related Items (2)

Symmetric Interior Penalty Discontinuous Galerkin Discretizations and Block Preconditioning for Heterogeneous Stokes Flow ⋮ Fast linear solver for diffusion problems with applications to pressure computation in layered domains

Uses Software

• ARMS

Cites Work

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