A Primal-Based Penalty Preconditioner for Elliptic Saddle Point Systems

DOI10.1137/040619016zbMath1113.65107OpenAlexW2053994227MaRDI QIDQ5470957

Clark R. Dohrmann, Richard B. Lehoucq

Publication date: 2 June 2006

Published in: SIAM Journal on Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/040619016

zbMATH Keywords

regularizationStokes problemsnumerical experimentspreconditioningconjugate gradient methodmixed finite elementsconstrained minimizationsaddle point systems

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Boundary value problems for second-order elliptic equations (35J25) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35)

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Uses Software

• DistMesh