Sharp preasymptotic error bounds for the Helmholtz \(h\)-FEM
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Publication:6668639
DOI10.1137/23M1546178MaRDI QIDQ6668639
Euan A. Spence, Jeffrey Galkowski
Publication date: 22 January 2025
Published in: SIAM Journal on Numerical Analysis (Search for Journal in Brave)
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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