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Volume 38 Issue 12
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HAN Ze-jun, LIN Gao, ZHOU Xiao-wen. Solution to Green’s functions for arbitray points in 3D cross-anisotropic multi-layered soil[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(12): 2218-2225. DOI: 10.11779/CJGE201612010
Citation: HAN Ze-jun, LIN Gao, ZHOU Xiao-wen. Solution to Green’s functions for arbitray points in 3D cross-anisotropic multi-layered soil[J]. Chinese Journal of Geotechnical Engineering, 2016, 38(12): 2218-2225. DOI: 10.11779/CJGE201612010
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Solution to Green’s functions for arbitray points in 3D cross-anisotropic multi-layered soil

  • 1. School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510641, China;
    2. Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116024, China

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  • Received Date: September 22, 2015
  • Published Date: December 24, 2016
    Graphical Abstract
    • Abstract
  • A hybrid numerical method is proposed to evaluate the Green’s functions for displacement of surface or internal arbitrary points in cross-anisotropic multi-layered soil. The wave motion equations in frequency-spatial domain are transformed into state equations in frequency-wavenumber domain using the Fourier transform. Then the dynamic flexibility matrix is obtained. Finally, the inverse Fourier transform is used to evaluate the Green’s functions for displacement of arbitary points in frequency-spatial domain. The proposed algorithm is suitable for arbitrary cross-anisotropic multi-layered soil, and there are no limitations for the number and thickness of the layers. The accuracy of the proposed method is validated by numerical examples, and a parameter analysis for the anisotropy of multi-layered soil is presented.
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    • References (27)
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