Four-order superconvergent CDG finite elements for the biharmonic equation on triangular meshes

DOI10.1016/j.cam.2023.115516OpenAlexW4385988233MaRDI QIDQ6126039

Xiu Ye, Shangyou Zhang

Publication date: 9 April 2024

Published in: Journal of Computational and Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.cam.2023.115516

zbMATH Keywords

finite elementbiharmonic equationsuperconvergencetriangular meshconforming discontinuous Galerkin methodweak Hessian

Mathematics Subject Classification ID

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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