The effective boundary conditions for a perforated elastic sandwich panel in a compressible fluid

DOI10.1098/rspa.1990.0019zbMath0695.76036OpenAlexW2123922001MaRDI QIDQ3471771

F. G. Leppington

Publication date: 1990

Published in: Proceedings of the Royal Society of London. A. Mathematical and Physical Sciences (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1098/rspa.1990.0019

zbMATH Keywords

plane wavessandwich panelmatched expansionstransmission of soundHelmholtz resonance frequencyhoneycomb cellular structure

Mathematics Subject Classification ID

Hydro- and aero-acoustics (76Q05) Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation (35J05) Boundary-layer theory for compressible fluids and gas dynamics (76N20)

Related Items (3)

Aerodynamic noise from a poroelastic edge with implications for the silent flight of owls ⋮ Exact solution to the problem of acoustic wave propagation in a semi-infinite waveguide with flexible walls ⋮ Effective conditions for the reflection of an acoustic wave by low-porosity perforated plates

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