Elimination of spurious modes in finite element analysis

DOI10.1016/0021-9991(84)90079-2zbMath0553.65069OpenAlexW1976574451MaRDI QIDQ759463

J. Brian Davies, Winkler, Joab R.

Publication date: 1984

Published in: Journal of Computational Physics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0021-9991(84)90079-2

zbMATH Keywords

finite element analysiselectromagnetic wave propagationpenalty termflexible systemacoustic wave propagation in liquidselimination of spurious modesnon-physical modes

Mathematics Subject Classification ID

Estimates of eigenvalues in context of PDEs (35P15) 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) Hydro- and aero-acoustics (76Q05) Numerical methods for eigenvalue problems for boundary value problems involving PDEs (65N25) Waves and radiation in optics and electromagnetic theory (78A40)

Related Items

On the spurious eigensolutions for the real-part boundary element method, Spurious solutions in mixed finite element method for Maxwell's equations: dispersion analysis and new basis functions, Removal of infinite eigenvalues in the generalized matrix eigenvalue problem, A simplified implicit Maxwell solver.

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