Coupling Spectral and Finite Elements for Second Order Elliptic Three-Dimensional Equations

DOI10.1137/S0036142997319194zbMath0942.65132OpenAlexW2049851768MaRDI QIDQ4270990

Faker Ben Belgacem, Yvon Maday

Publication date: 22 November 1999

Published in: SIAM Journal on Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/s0036142997319194

zbMATH Keywords

convergence analysisfinite elementsdomain decompositionerror analysisspectral elementsdiscrete extension operatorsmortar projectors

Mathematics Subject Classification ID

Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Spectral, collocation and related methods for boundary value problems involving PDEs (65N35) Boundary value problems for second-order elliptic equations (35J25) Error bounds for boundary value problems involving PDEs (65N15) 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)

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