On the source images method for sound propagation in a penetrable wedge: some corrections and appendices

被引：0
|
作者：
Tang, Jun [1 ,2 ]
Petrov, Pavel S. [3 ]
Kozitskiy, Sergey B. [3 ]
Piao, Shengchun [1 ,2 ]
机构：
[1] Harbin Engn Univ, Acoust Sci & Technol Lab, Harbin 150001, Heilongjiang, Peoples R China
[2] Harbin Engn Univ, Coll Underwater Acoust Engn, Harbin 150001, Heilongjiang, Peoples R China
[3] Ilichev Pacific Oceanol Inst, 43 Baltiyskaya St, Vladiostok 690041, Russia
来源：
PROCEEDINGS OF THE INTERNATIONAL CONFERENCE DAYS ON DIFFRACTION (DD) 2017 | 2017年
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Some corrections and supplements for the source images method in the case of the penetrable wedge, proposed by Deane & Buckingham (1993), are introduced. The problem of sound propagation in a wedge-like waveguide is an important three-dimensional benchmark in underwater acoustics. Firstly, the formulae for positions of source images and bottom images are corrected. Secondly, a simple branch selection rule for the square root in the reflection coefficient is formulated and validated by several numerical tests. New examples, where the source images method is used to simulate time-harmonic acoustic fields and the pulse signal propagation, are presented.
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页码：304 / 309
页数：6
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