Wave envelope elements for acoustical radiation in inhomogeneous media

DOI10.1016/0045-7949(88)90108-3zbMath0671.73025OpenAlexW2138302623MaRDI QIDQ3823861

Walter Eversman, R. J. Astley

Publication date: 1988

Published in: Computers & Structures (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/0045-7949(88)90108-3

zbMATH Keywords

transmission lossesinhomogeneous, Helmholtz type equationslinear acoustical wave propagationradiating from an unflanged exhaustsound propagating along a heated pipe

Mathematics Subject Classification ID

Inhomogeneity in solid mechanics (74E05) Finite element methods applied to problems in solid mechanics (74S05) Hydro- and aero-acoustics (76Q05) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Waves in solid mechanics (74J99)

Related Items (3)

Transient spheroidal elements for unbounded wave problems ⋮ A new mapped infinite wave element for general wave diffraction problems and its validation on the ellipse diffraction problem ⋮ Analysis of convergence and accuracy of the DRBEM for axisymmetric Helmholtz-type equation

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