Sound Diffraction on a Sphere with an Inhomogeneous Coating in a Plane Waveguide

An analytical solution is obtained for the diffraction problem of spherical sound waves on a sphere with an elastic radially-inhomogeneous coating in a plane waveguide. The calculation results of the acoustic field in the waveguide are presented. The calculation data are compared with modeling resul...

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Bibliographic Details
Published in:Mechanics of solids 2020-12, Vol.55 (8), p.1351-1362
Main Authors: Skobeltsyn, S. A., Tolokonnikov, L. A.
Format: Article
Language:English
Subjects:
Classical Mechanics
Computer simulation
Exact solutions
Finite element method
Physics
Physics and Astronomy
Sound diffraction
Sound waves
Spherical waves
Wave diffraction
Waveguides
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Summary:An analytical solution is obtained for the diffraction problem of spherical sound waves on a sphere with an elastic radially-inhomogeneous coating in a plane waveguide. The calculation results of the acoustic field in the waveguide are presented. The calculation data are compared with modeling results of diffraction in the waveguide obtained using the finite element method realized in the COMSOL computer simulation system of physical processes.
ISSN:0025-6544
1934-7936
DOI:10.3103/S0025654420080270