Ultraconvergence of ZZ patch recovery at mesh symmetry points

DOI10.1007/s00211-003-0457-xzbMath1045.65096OpenAlexW2056347249MaRDI QIDQ1412189

Zhimin Zhang, Runchang Lin

Publication date: 9 November 2003

Published in: Numerische Mathematik (Search for Journal in Brave)

Full work available at URL: https://digitalcommons.wayne.edu/math_reports/1

zbMATH Keywords

finite elementsnumerical examplessmoothing strategiesQ8 eight-node serendipity elementQ9 nine-node tensor product elementultraonvergence propertyZienkiewicz-Zhu gradient patch recovery technique

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) Finite element methods applied to problems in solid mechanics (74S05) Error bounds for boundary value problems involving PDEs (65N15) 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)

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