A Finite-element Method for Solving Elliptic Equations with Neumann Data on a Curved Boundary Using Unfitted Meshes

DOI10.1093/imanum/4.3.309zbMath0574.65121OpenAlexW2106079716MaRDI QIDQ3692790

Charles M. Elliott, John W. Barrett

Publication date: 1984

Published in: IMA Journal of Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://semanticscholar.org/paper/7accc50b05583f54e9ac35ccdbf5bb15180ef88c

zbMATH Keywords

rate of convergencePoisson equationNeumann conditionfinite-element methodNumerical examplesunfitted meshes

Mathematics Subject Classification ID

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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