Unconditional Superconvergence Analysis of Energy Conserving Finite Element Methods for the Nonlinear Coupled Klein-Gordon Equations

DOI10.4208/aamm.OA-2021-0261OpenAlexW4321609960MaRDI QIDQ5889041

Publication date: 26 April 2023

Published in: Advances in Applied Mathematics and Mechanics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.4208/aamm.oa-2021-0261

zbMATH Keywords

finite element method energy conserving nonlinear coupled Klein-Gordon equations postprocessing interpolation unconditional superconvergence result

Mathematics Subject Classification ID

Finite difference methods for boundary value problems involving PDEs (65N06) Acceleration of convergence in numerical analysis (65B99)

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