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Volume 24 Issue 6
Aug.  2022
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WANG Xiaomin, LI Mingxuan. Scattering of the cross-plane shear elastic waves by circular cylinders in transversely isotropic media[J]. ACTA ACUSTICA, 1999, 24(6): 627-636. DOI: 10.15949/j.cnki.0371-0025.1999.06.009
Citation: WANG Xiaomin, LI Mingxuan. Scattering of the cross-plane shear elastic waves by circular cylinders in transversely isotropic media[J]. ACTA ACUSTICA, 1999, 24(6): 627-636. DOI: 10.15949/j.cnki.0371-0025.1999.06.009
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Scattering of the cross-plane shear elastic waves by circular cylinders in transversely isotropic media

  • Institute Of Acoustics, The Chinese Academy of Sciences Beijing 100080

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  • PACS: 
    • 43.35  (Ultrasonics, quantum acoustics, and physical effects of sound)
  • Received Date: January 19, 1997
  • Revised Date: April 19, 1998
  • Available Online: August 01, 2022
    Graphical Abstract
    • Abstract
  • Two-dimensional scalar equation of displacement for the cross--plane shear elastic waves in homogeneous and transversely isotropic media like unidirectional fibrous composites is derived. Then, through a simple coordinate system tranform, the scalar equation is standardized into a Helmholtz equation. Integral equations are derived for the scattering problems and boudary element method is used to calculate the scattered cross-plane wave fields by circular cylinders in transversely isotropic media numerically. A discussion is given on the results which is mainly focused on the influence of the anisotropy to the directivity of the scattered fields by circular cylindrical voids.
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