The ultraconvergence of derivative for bicubic finite element

DOI10.1016/j.cma.2006.10.026zbMath1173.65358OpenAlexW2014097004MaRDI QIDQ1033392

Qiding Zhu, Lingxiong Meng

Publication date: 6 November 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.2006.10.026

zbMATH Keywords

elliptic problemsultraconvergencesuperconvergence patch recoverybicubic elementsprojection interpolant

Mathematics Subject Classification ID

Error bounds for boundary value problems involving PDEs (65N15) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30)

Related Items (5)

Local superconvergence of the derivative for tensor-product block FEM ⋮ The local ultraconvergence for high-degree Galerkin finite element methods ⋮ Some superconvergence results of high-degree finite element method for a second order elliptic equation with variable coefficients ⋮ The local superconvergence of the trilinear element for the three-dimensional Poisson problem ⋮ The local superconvergence of the quadratic triangular element for the poisson problem in a polygonal domain

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