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Acoustic scattering from two circular apertures in a thick hard plane
1Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Taejon.
The Journal of the Acoustical Society of America
|June 1, 2000
Abstract:
A problem of acoustic wave scattering from two circular apertures in a thick hard plane is solved. The Hankel transform and mode matching is used to represent the scattered field in rapidly convergent series. The reflection coefficient, transmission coefficient, and far-zone field are rigorously derived and presented in numerically efficient forms. Numerical computations are performed to illustrate scattering behaviors in terms of aperture geometry.