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Zapiski Nauchnykh Seminarov POMI, 1994, Volume 210, Pages 164–174 (Mi znsl5868)  

Diffraction of wave by cylindrical surface with discontinuous impedance

M. A. Lyalinov

Saint Petersburg State University
Abstract: A leading term of asymptotics is developed for the two-dimensional problem of diffraction of a plane wave by a smooth cylinder with discontinuous impedance. The key domain in the vicinity of light-shadow boundary (Fock region) is considered. It is supposed that the point of the surface impedance jump is placed near the light-shadow boundary. This leads to the intersection of transition regions caused by the discontinuity and the light-shadow terminator respectively. The leading terms include new type Fock integrals beside the standard ones. The asymptotics is simplified in the penumbral, lighted and shadowed regions. Asymptotic evaluation of the integrals leads to the description of the waves of new type which are absent for continuous impedance. Bibliography: 7 titles.
Received: 09.06.1993
English version:
Journal of Mathematical Sciences, 1997, Volume 83, Issue 2, Pages 271–277
DOI: https://doi.org/10.1007/BF02405822
Bibliographic databases:
Document Type: Article
UDC: 517.9
Language: Russian
Citation: M. A. Lyalinov, “Diffraction of wave by cylindrical surface with discontinuous impedance”, Mathematical problems in the theory of wave propagation. Part 23, Zap. Nauchn. Sem. POMI, 210, Nauka, St. Petersburg, 1994, 164–174; J. Math. Sci., 83:2 (1997), 271–277
Citation in format AMSBIB
\Bibitem{Lya94}
\by M.~A.~Lyalinov
\paper Diffraction of wave by cylindrical surface with discontinuous impedance
\inbook Mathematical problems in the theory of wave propagation. Part~23
\serial Zap. Nauchn. Sem. POMI
\yr 1994
\vol 210
\pages 164--174
\publ Nauka
\publaddr St.~Petersburg
\mathnet{http://mi.mathnet.ru/znsl5868}
\mathscinet{http://mathscinet.ams.org/mathscinet-getitem?mr=1334753}
\zmath{https://zbmath.org/?q=an:0869.35101|0872.35114}
\transl
\jour J. Math. Sci.
\yr 1997
\vol 83
\issue 2
\pages 271--277
\crossref{https://doi.org/10.1007/BF02405822}
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