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Solution of wave diffraction problems by the null-field method

  • Classical Problems of Linear Acoustics and Wave Theory
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Abstract

Numerical realization of the null-field method for solving wave diffraction problems is investigated. It is shown that this method provides correct and stable algorithms only when the null-field surface encloses the set of singularities of the analytic continuation of the wave field inside the scatterer. Considering specific examples of diffraction problems, it is demonstrated that the null-field surface is best constructed by analytic deformation of the scatterer’s boundary.

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Authors and Affiliations

  1. Moscow Technical University of Communication and Informatics, Aviamotornaya ul. 8a, Moscow, 111024, Russia

    A. G. Kyurkchan & N. I. Smirnova

Authors
  1. A. G. Kyurkchan
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  2. N. I. Smirnova
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Correspondence to A. G. Kyurkchan.

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Original Russian Text © A.G. Kyurkchan, N.I. Smirnova, 2009, published in Akusticheskiĭ Zhurnal, 2009, Vol. 55, No. 6, pp. 691–697.

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Kyurkchan, A.G., Smirnova, N.I. Solution of wave diffraction problems by the null-field method. Acoust. Phys. 55, 691–697 (2009). https://doi.org/10.1134/S1063771009060013

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  • DOI: https://doi.org/10.1134/S1063771009060013

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