A New Superconvergence for Mixed Finite Element Approximations

DOI10.1137/S0036142901391141zbMath1036.65083OpenAlexW2087152665MaRDI QIDQ4785855

Richard E. Ewing, Junping Wang, Mingjun Liu

Publication date: 5 January 2003

Published in: SIAM Journal on Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/s0036142901391141

zbMATH Keywords

error estimatessuperconvergenceelliptic problemsmixed finite element methodlocal projection methods

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) 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)

Related Items (6)

Superconvergence ofH¹-Galerkin Mixed Finite Element Methods for Second-Order Elliptic Equations ⋮ Superconvergence of numerical gradient for weak Galerkin finite element methods on nonuniform Cartesian partitions in three dimensions ⋮ Supraconvergence and supercloseness in quasilinear coupled problems ⋮ Supercloseness of the mixed finite element method for the primary function on unstructured meshes and its applications ⋮ Superconvergence of mixed covolume method on quadrilateral grids for elliptic problems ⋮ Superconvergence ofH¹-Galerkin mixed finite element methods for parabolic problems

This page was built for publication: A New Superconvergence for Mixed Finite Element Approximations