Abstract
The ray representation of the scattering from an empty cylindrical shell is compared with the exact results of the partial-wave series. The specific example considered is a thick stainless steel shell having the same parameters as a previous synthesis for spheres illustrated by Kargl and Marston [J. Acoust. Soc. Am. 89, 2545–2558 (1991)]. The present computation demonstrates a general agreement with the exact result for ka down to 7 and confirms the applicability of a simple approximation for the complex coupling coefficient.
Published Version
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