Low-energy basis preconditioning for elliptic substructured solvers based on unstructured spectral/\(hp\) element discretization

DOI10.1006/jcph.2001.6805zbMath0985.65143OpenAlexW2055527505MaRDI QIDQ5944828

Mario A. Casarin, Spencer J. Sherwin

Publication date: 10 October 2001

Published in: Journal of Computational Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1006/jcph.2001.6805

zbMATH Keywords

finite element methodpreconditioningunstructured hierarchical spectral/\(hp\) element algorithms

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Numerical computation of matrix norms, conditioning, scaling (65F35)

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Uses Software

• LAPACK

Cites Work

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