Optimal Recovery in the Finite-Element Method, Part 1: Recovery from Weighted L2 Fits

DOI10.1093/imanum/8.2.149zbMath0648.65005OpenAlexW2083473568MaRDI QIDQ3793598

Gerald Moore, K. W. Morton, John W. Barrett

Publication date: 1988

Published in: IMA Journal of Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1093/imanum/8.2.149

zbMATH Keywords

finite element methodsuperconvergenceoptimal recoveryNumerical exampleslocal averagingaccuracy improvement

Mathematics Subject Classification ID

Numerical computation using splines (65D07) Numerical smoothing, curve fitting (65D10) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Extrapolation to the limit, deferred corrections (65B05) Finite element, Rayleigh-Ritz, Galerkin and collocation methods for ordinary differential equations (65L60)

Related Items (1)

Defect correction and domain decomposition for second-order boundary value problems

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