Accuracy and Stability of Finite Element Schemes for the Duct Transmission Problem

DOI10.2514/3.51219zbMath0496.76079OpenAlexW1990213361MaRDI QIDQ3960375

Noel J. Walkington, Walter Eversman, R. J. Astley

Publication date: 1982

Published in: AIAA Journal (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.2514/3.51219

zbMATH Keywords

stabilityaccuracyone-dimensionalGalerkin and residual least squaresLagrangian and Hermitian elementslinearized acoustical transmission in ducts with flowsignificant numerical dampingspurious nonphysical modes

Mathematics Subject Classification ID

Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Hydro- and aero-acoustics (76Q05) Basic methods in fluid mechanics (76M99)

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