Abstract
The method of source images is used to develop an analytical solution for the three-dimensional acoustic field in a penetrable wedge. The acoustic field for a harmonic, point source is computed assuming isovelocity sound field profiles in the water and sediment. The solution for the field consists of a sum of contributions due to source images and gives the sound field at any point in the water or sediment of the wedge. This analysis differs from the earlier work of Deane and Tindle (submitted to JASA, 10 December 1991), which is restricted to propagation in a plane perpendicular to the wedge apex. The present work uses a Bessel function expansion that results in a computationally efficient solution to the field which is valid throughout the wedge.
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