Scattering of sound by an elastic plate with flow

DOI10.1016/0022-460X(83)90390-5zbMath0532.73050MaRDI QIDQ3315134

I. David Abrahams

Publication date: 1983

Published in: Journal of Sound and Vibration (Search for Journal in Brave)

zbMATH Keywords

matched asymptotic expansionssingular limitelastic platedivergence instabilityacoustic sourceuniform subsonic velocityinfinite baffleouter fieldclose to plate dominant terms are travelling waveseigensolutions with singularities at plate edgesfar field approximate to the solution when plate is absentimmersed in fluidlarge fluid-plate couplingMach number goes to zeroplate resonancescattered sound fieldsmall flow velocitywavelength independent of frequency of source

Mathematics Subject Classification ID

Fluid-solid interactions (including aero- and hydro-elasticity, porosity, etc.) (74F10) Plates (74K20) General aerodynamics and subsonic flows (76G25) Asymptotic expansions of solutions to PDEs (35C20) Hydro- and aero-acoustics (76Q05)

Related Items

Some analytical results for acoustic scattering through a periodic array of elastic membranes ⋮ Acoustic emission of a vortex ring near a porous edge. Part 1: theory ⋮ Guided wave propagation in cylindrical ducts with elastic walls enclosing a fluid moving with a uniform velocity ⋮ On transient oscillations of plates in moving fluids. ⋮ Acoustic scattering by a finite rigid plate with a poroelastic extension ⋮ Aerodynamic noise from rigid trailing edges with finite porous extensions ⋮ Acoustic scattering by a narrow crack in an elastic plate