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2007.209: Scattering of sound wave by an infinite grating composed of rigid plates

2007.209: Barış Erbaş and I. David Abrahams (2007) Scattering of sound wave by an infinite grating composed of rigid plates. Wave Motion, 44 (4). pp. 282-303. ISSN 0165-2125

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DOI: 10.1016/j.wavemoti.2006.11.001

Abstract

A plane sound wave is incident at an angle θ upon an infinite array of rigid plates, equally spaced and lying along the y-axis, where (x, y) are two-dimensional Cartesian coordinates. The boundary value problem is formulated into a matrix Wiener–Hopf equation whose kernel is, when the plates and interstices are of equal length, decomposable into two factors which commute and have algebraic behaviour at infinity. A closed form analytical solution is then obtained following the usual Wiener–Hopf procedure and numerical results are given for various angles of incidence, as well as different spacings.

Item Type:Article
Uncontrolled Keywords:Wiener–Hopf technique; Matrix Wiener–Hopf equations; Diffraction grating; Acoustics
Subjects:MSC 2000 > 74 Mechanics of deformable solids
MIMS number:2007.209
Deposited By:Mrs Louise Healey
Deposited On:23 November 2007

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