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  4. 6(104)'2012
  5. Diffraction of sound waves in electroelastic cylinder placed in circular layer

Diffraction of sound waves in electroelastic cylinder placed in circular layer

N.Yu. Filipova, A.V. Korzhik
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The problem of receiving a cylindrical electroelastic audio converter with completely elektrodizing surface, placed in a closed-wave multimode fiber based system is solved. Solution of the problem is occurred with the method of partial domains, using the Fourier method, and the properties of completeness and orthogonality of the cylindrical wave functions for the conjugation of the fields on the boundaries of sub-domains. The expansion coefficients of sound fields of the wave envelope and the annular layer is found.
Keywords: cover, piezotransducer, "through" the problem, the method of partial regions, the wave layer