Superconvergent weak Galerkin methods for non-self adjoint and indefinite elliptic problems

DOI10.1016/j.apnum.2021.10.014zbMath1484.65310OpenAlexW3209842072MaRDI QIDQ2058405

Peng Zhu, Shenglan Xie

Publication date: 9 December 2021

Published in: Applied Numerical Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.apnum.2021.10.014

zbMATH Keywords

superconvergencepostprocessingweak Galerkin finite element methodsnon-selfadjoint and indefinite elliptic problem

Mathematics Subject Classification ID

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 (4)

Superconvergence of a WG method for the Stokes equations with continuous pressure ⋮ Supercloseness of weak Galerkin method for a singularly perturbed convection-diffusion problem in 2D ⋮ Order two superconvergence of the CDG finite elements for non-self adjoint and indefinite elliptic equations ⋮ Supercloseness of weak Galerkin method on Bakhvalov-type mesh for a singularly perturbed problem in 1D

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