Direct FVM Simulation for Sound Propagation in an Ideal Wedge

Author:

Ji Hongyu1,Xu Xinhai1,Guo Xiaowei1,Ye Shuai1,Chen Juan1,Yang Xuejun1

Affiliation:

1. State Key Laboratory of High Performance Computing, College of Computer, National University of Defense Technology, Changsha 410073, China

Abstract

The sound propagation in a wedge-shaped waveguide with perfectly reflecting boundaries is one of the few range-dependent problems with an analytical solution. This provides a benchmark for the theoretical and computational studies on the simulation of ocean acoustic applications. We present a direct finite volume method (FVM) simulation for the ideal wedge problem, and both time and frequency domain results are analyzed. We also study the broadband problem with large-scale parallel simulations. The results presented in this paper validate the accuracy of the numerical techniques and show that the direct FVM simulation could be applied to large-scale complex acoustic applications with a high performance computing platform.

Funder

National Natural Science Foundation of China

Publisher

Hindawi Limited

Subject

Mechanical Engineering,Mechanics of Materials,Geotechnical Engineering and Engineering Geology,Condensed Matter Physics,Civil and Structural Engineering

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