A three-dimensional coupled-mode model for the acoustic field in a two-dimensional waveguide with perfectly reflecting boundaries
Luo Wen-Yu1, †, 
, Yu Xiao-Lin1, 2, Yang Xue-Feng2, 3, Zhang Ze-Zhong1, 2, Zhang Ren-He1
, Yu Xiao-Lin1, 2, Yang Xue-Feng2, 3, Zhang Ze-Zhong1, 2, Zhang Ren-He1 Schematic diagram of a 2D range-dependent problem with a line source in plane geometry. The line source can be located at an arbitrary range, for instance, on top of a sloping bottom.
