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

Ning Zhang, Yingchun Wei, Jiasuo Pan, Jie Yang, Yu Zhang and Denghui Dai ()
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Ning Zhang: Key Laboratory of Geomechanics and Embankment Engineering of Ministry of Education, Hohai University, Nanjing 210024, China
Yingchun Wei: Key Laboratory of Geomechanics and Embankment Engineering of Ministry of Education, Hohai University, Nanjing 210024, China
Jiasuo Pan: Key Laboratory of Geomechanics and Embankment Engineering of Ministry of Education, Hohai University, Nanjing 210024, 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
Denghui Dai: Key Laboratory of Geomechanics and Embankment Engineering of Ministry of Education, Hohai University, Nanjing 210024, China

Sustainability, 2022, vol. 14, issue 22, 1-15

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.

Keywords: SH waves; inhomogeneous inclusion; wave function expansion; wave propagation (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2022
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