A new over-penalized weak Galerkin method. I: Second-order elliptic problems

DOI10.3934/dcdsb.2020184zbMath1476.65305OpenAlexW3034538399MaRDI QIDQ2033574

Kaifang Liu, Shan Zhao, Lun-Ji Song

Publication date: 17 June 2021

Published in: Discrete and Continuous Dynamical Systems. Series B (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.3934/dcdsb.2020184

zbMATH Keywords

finite element methodpreconditioningweak Galerkindiscrete weak gradientsecond order elliptic problemsover-penalized

Mathematics Subject Classification ID

Error bounds for boundary value problems involving PDEs (65N15) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Variational methods for elliptic systems (35J50) Numerical computation of matrix norms, conditioning, scaling (65F35) Second-order elliptic equations (35J15) Preconditioners for iterative methods (65F08)

Related Items (2)

A new over-penalized weak Galerkin method. III: Convection-diffusion-reaction problems ⋮ An over-penalized weak Galerkin method for parabolic interface problems with time-dependent coefficients

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