Superconvergence and Postprocessing of Fluxes from Lowest-Order Mixed Methods on Triangles and Tetrahedra

DOI10.1137/S1064827595280417zbMath0912.65085OpenAlexW2089799405MaRDI QIDQ4389297

Philip T. Keenan, Todd F. Dupont

Publication date: 12 May 1998

Published in: SIAM Journal on Scientific Computing (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/s1064827595280417

zbMATH Keywords

numerical experimentsdiffusion equationsuperconvergencetriangular gridmixed finite element methodpolygonal domains

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) 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) Mesh generation, refinement, and adaptive methods for boundary value problems involving PDEs (65N50)

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