Penalty-combined approaches to the Ritz-Galerkin and finite element methods for singularity problems of elliptic equations

DOI10.1002/num.1690080103zbMath0749.65076OpenAlexW2091148270MaRDI QIDQ3988606

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Publication date: 28 June 1992

Published in: Numerical Methods for Partial Differential Equations (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1002/num.1690080103

zbMATH Keywords

singularitiesinterfacefinite element methodsLaplace equationNumerical experimentsRitz-Galerkin methodoptimal convergence rateMotz's problemcoupling strategybenchmark modelpenalty-combined methods

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) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05)

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Cites Work

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