Supercloseness of finite element method for a singularly perturbed convection-diffusion problem on Bakhvalov-type triangular meshes

DOI10.1016/j.camwa.2023.09.028OpenAlexW4387276493MaRDI QIDQ6062205

Chunxiao Zhang, Jin Zhang

Publication date: 30 November 2023

Published in: Computers \& Mathematics with Applications (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.camwa.2023.09.028

zbMATH Keywords

finite element methodconvection-diffusionsingularly perturbedsuperclosenessBakhvalov-type triangular meshes

Mathematics Subject Classification ID

Boundary value problems for second-order elliptic equations (35J25) Singular perturbations in context of PDEs (35B25) 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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