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Wave Propagation and Scattering around a Radially Inhomogeneous Cylindrical Inclusion in a Full Space

Author

Listed:
  • Ning Zhang

    (Key Laboratory of Geomechanics and Embankment Engineering of Ministry of Education, Hohai University, Nanjing 210024, China
    College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China)

  • Yingchun Wei

    (Key Laboratory of Geomechanics and Embankment Engineering of Ministry of Education, Hohai University, Nanjing 210024, China
    College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China)

  • Jiasuo Pan

    (Key Laboratory of Geomechanics and Embankment Engineering of Ministry of Education, Hohai University, Nanjing 210024, China
    College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China)

  • Jie Yang

    (Nanjing Hydraulic Research Institute, Nanjing 210024, China)

  • Yu Zhang

    (Key Laboratory of Geomechanics and Embankment Engineering of Ministry of Education, Hohai University, Nanjing 210024, China
    College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China)

  • Denghui Dai

    (Key Laboratory of Geomechanics and Embankment Engineering of Ministry of Education, Hohai University, Nanjing 210024, China
    College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China)

Abstract

The geological structure, such as inclusions, may strongly affect the wave propagation and underground motions during earthquakes. Previous studies mainly focus on geological inclusion with the homogeneous medium. In this paper, the propagation and scattering of incident plane SH waves in and around an inhomogeneous cylindrical inclusion with a radially-varying modulus is studied. In terms of a radial wave function expansion, a rigorous analytical approach is formulated for general computation for the elastodynamic problem. A comprehensive set of numerical examples are presented to illustrate the sensitivity of the underground motion to the rigidity profile of the geological inclusion.

Suggested Citation

  • Ning Zhang & Yingchun Wei & Jiasuo Pan & Jie Yang & Yu Zhang & Denghui Dai, 2022. "Wave Propagation and Scattering around a Radially Inhomogeneous Cylindrical Inclusion in a Full Space," Sustainability, MDPI, vol. 14(22), pages 1-15, November.
    • Handle: RePEc:gam:jsusta:v:14:y:2022:i:22:p:14969-:d:970761
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