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- W1973869532 abstract "Determining vibration and acoustic characteristics of elastic bodies in water (especially elastic shells) is a challenging problem that becomes more complicated if non-homogeneities of various types are present or a finite length object is considered (∼1–10 wavelengths). Scattering by such bodies is considered here. This paper describes methods of analysis of results of numerical calculations that allow one to find the scattering mechanisms that make the greatest contribution to the scattered directivity pattern. The method allows one to distinguish the following factors: scattering as if it were a rigid body and excitation of an eigenmode, whose form can also be roughly estimated. The scattering object is replaced virtually by a discrete receiver-transmitter array whose transmitted signal is defined as the product of the received signal and the scattering matrix. Elements of the scattering matrix are found in such way that calculated scattered field values in the far field are close to the real ones. The results of this research can help in such areas as designing structures with required scattering characteristics, solving inverse problems and in classification and remote sensing. [The author gratefully acknowledges the generous support of the U.S. Office of Naval Research, ONRG.]" @default.
- W1973869532 created "2016-06-24" @default.
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- W1973869532 date "2011-04-01" @default.
- W1973869532 modified "2023-09-25" @default.
- W1973869532 title "Analysis of results of numerical calculations of sound scattering by inhomogeneous elastic shells aiming to create a physical model of the scatterer." @default.
- W1973869532 doi "https://doi.org/10.1121/1.3587750" @default.
- W1973869532 hasPublicationYear "2011" @default.
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