XVII LEONID BREKHOVSKIKH SCHOOL ON OCEAN ACOUSTICS

2020 ◽  
Vol 48 (4) ◽  
pp. 155-159
Author(s):  
V. V. Goncharov ◽  
A. G. Ostrovskii ◽  
S. A. Sviridov ◽  
A. N. Serebryanyi ◽  
E. E. Khimchenko ◽  
...  
Keyword(s):  
Signal Processing ◽  
Short Communication ◽  
Sound Propagation ◽  
Ocean Acoustics ◽  
Sound Scattering ◽  
Research Institutes ◽  
Atmospheric Acoustics ◽  
Poster Presentations

The short communication presents the results of the 17th School on Ocean Acoustics known as “L.M. Brekhovskikh School-Seminar” held online from October 19 to 23, 2020. The conference was combined with the XXXIII session of the Russian Acoustic Society. The conference was attended by 138 researchers from 25 research institutes form Russia, Abkhazia, Israel, USA, and Taiwan. Leading scientists gave 6 lectures. 59 oral and poster presentations were presented focusing on topical scientific and technical subjects: acoustic oceanology, sound propagation in the ocean, sound scattering and reflection, engineering, and signal processing, as well as bio-, geo- and atmospheric acoustics.

scholarly journals A Hybrid Analytical-Numerical Model Based on the Method of Fundamental Solutions for the Analysis of Sound Scattering by Buried Shell Structures

2011 ◽  
Vol 2011 ◽  
pp. 1-22 ◽  
Author(s):  
L. Godinho ◽  
P. Amado-Mendes ◽  
A. Pereira
Keyword(s):  
Sound Propagation ◽  
Elastic Shell ◽  
Fundamental Solutions ◽  
Point Of View ◽  
Analytical Models ◽  
Method Of Fundamental Solutions ◽  
Underwater Sound ◽  
Sound Scattering ◽  
Computational Point ◽  
Propagation Medium

Several numerical and analytical models have been used to study underwater acoustics problems. The most accurate and realistic models are usually based on the solution of the wave equation using a variety of methods. Here, a hybrid numerical-analytical model is proposed to address the problem of underwater sound scattering by an elastic shell structure, which is assumed to be circular and that is buried in a fluid seabed bellow a water waveguide. The interior of the shell is filled with a fluid that may have different properties from the host medium. The analysis is performed by coupling analytical solutions developed both for sound propagation in the waveguide and in the vicinity of the circular hollow pipeline. The coupling between solutions is performed using the method of fundamental solutions. This strategy allows a compact description of the propagation medium while being very accurate and highly efficient from the computational point of view.

Sign in / Sign up

Export Citation Format

Share Document