Geodesic
Calculation of the attenuation coefficient of the sound field of a spherical radiator by penetrable spherical shell
Problemy fiziki, matematiki i tehniki, no. 1 (2013), pp. 48-54

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The analytical solution of the boundary problem which describes the process of penetration of the sound field of a spherical radiator located inside a thin unclosed spherical shell, through the permeable spherical shell is constructed. The influence of some parameters of the problem on the value of the attenuation coefficient (screening) of a sound field inside the spherical shell is numerically investigated.
Keywords: dual series equations for Legendre polynomials, infinite system of linear algebraic equations of the second kind with a completely continuous operator, attenuation coefficient of a sound field. 
@article{PFMT_2013_1_a8,
     author = {G. Ch. Shushkevich and N. N. Kiseleva},
     title = {Calculation of the attenuation coefficient of the sound field of a spherical radiator by penetrable spherical shell},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {48--54},
     publisher = {mathdoc},
     number = {1},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2013_1_a8/}
}
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G. Ch. Shushkevich; N. N. Kiseleva. Calculation of the attenuation coefficient of the sound field of a spherical radiator by penetrable spherical shell. Problemy fiziki, matematiki i tehniki, no. 1 (2013), pp. 48-54. http://geodesic.mathdoc.fr/item/PFMT_2013_1_a8/