Higher order triangular basis functions and solution performance of the CG method

DOI10.1016/j.cma.2007.07.014zbMath1171.65076OpenAlexW2031511448MaRDI QIDQ839173

N. E. Zubov

Publication date: 1 September 2009

Published in: Computer Methods in Applied Mechanics and Engineering (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.cma.2007.07.014

zbMATH Keywords

numerical resultsfinite element methoditerative methodsorthogonalizationpreconditionersbasis functionscondition numbersconjugate gradient (CG) methodhigher order FEM

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) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35)

Related Items

A semi‐local spectral/hp element solver for linear elasticity problems, An eigen-based high-order expansion basis for structured spectral elements, Construction of minimum energy high-order Helmholtz bases for structured elements

Uses Software

• PETSc

Cites Work

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