Robust semi-coarsening multilevel preconditioning of biquadratic FEM systems

DOI10.2478/s11533-011-0082-3zbMath1245.65158OpenAlexW1965550128MaRDI QIDQ432254

Svetozar Margenov, Maria Lymbery

Publication date: 3 July 2012

Published in: Central European Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2478/s11533-011-0082-3

zbMATH Keywords

algorithmnumerical examplesinequalitymultilevel methodsalgebraic multi level iterationbiquadratic finite elementsCauchy-Bunyakovsky-Schwarzrobust preconditioningsemi-coarsening mesh refinement

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) Mesh generation, refinement, and adaptive methods for boundary value problems involving PDEs (65N50) Preconditioners for iterative methods (65F08)

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