Local superconvergence of the derivative for tensor-product block FEM

DOI10.1002/num.20628zbMath1244.65158OpenAlexW2132104047MaRDI QIDQ2885154

Qiding Zhu, Wen-ming He, Wei-qiu Chen

Publication date: 21 May 2012

Published in: Numerical Methods for Partial Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/num.20628

zbMATH Keywords

Poisson equationlocal superconvergencefinite element theory of Green functionsymmetry techniquetensor-product block finite elementsweak estimate

Mathematics Subject Classification ID

Stability and convergence of numerical methods for boundary value problems involving PDEs (65N12) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

Related Items

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

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