The asymptotic solution tasks of normal waves diffraction by elastic thin-walled shells in the inhomogeneous waveguards have been found. The theory of motion of an elastic thin-walled shells Love type have conceded. In the report the scattering field objects are presented in the sum of normal waves these amplitudes, describable the integrals of shell displacements. The closed system of the singular differential equations for shell displacements in the waveguard, these influence external medium, have been found. The task sound shell radiation exited suffers shell forces have conceded. The asymptotic form of the directivity pattern sound radiation of prolate shell of revolution have been found. Keywords: normal waves, theory of shells Love type, singular differential equations, directivity pattern.
40.00.00 ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS
Russia,119454,Moskow, pr. Vernadskogo, 78. Moscow Institute of radio Engineering, Electronics and Automation