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This study examines how triangular-shaped irregularity, initial stress, and material rigidity influence the shear wave behavior in the complex layered structure, focusing on a FSPL situated under an elastic layer having isotropy and atop an elastic half-space, characterized with a triangular-shaped irregularity in the lower half-space. The Fourier transform approach is employed to get the dispersion relation for shear wave. Numerical simulations in MATLAB present the relationship between dimensionless wavenumber and phase velocity graphs for two special scenarios. These scenarios consider different values of anisotropy, initial stress, irregularity depth, and proportion of irregularity’s depth to layer’s height. The graphical results, with and without the initial stress, reveal the significant impact of these factors on wave behavior. This work enhances the understanding of wave interactions in complex layered structures, offering insights that are valuable for geophysics, seismology, and geotechnical engineering, aiding in the design and analysis of structures in varied ground conditions.

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Characterizing Shear Wave Propagatıon in an Anisotropic Layer Under the Effect of Triangular Irregularity, Rigidity, and Initial Stress

  • 会议论文

  • 发表日期：

    2026年

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  • Ravinder Kumar,
  • Kriti Mishra,
  • Abhilasha Saini,
  • Krishan Kumar

摘要

This study examines how triangular-shaped irregularity, initial stress, and material rigidity influence the shear wave behavior in the complex layered structure, focusing on a FSPL situated under an elastic layer having isotropy and atop an elastic half-space, characterized with a triangular-shaped irregularity in the lower half-space. The Fourier transform approach is employed to get the dispersion relation for shear wave. Numerical simulations in MATLAB present the relationship between dimensionless wavenumber and phase velocity graphs for two special scenarios. These scenarios consider different values of anisotropy, initial stress, irregularity depth, and proportion of irregularity’s depth to layer’s height. The graphical results, with and without the initial stress, reveal the significant impact of these factors on wave behavior. This work enhances the understanding of wave interactions in complex layered structures, offering insights that are valuable for geophysics, seismology, and geotechnical engineering, aiding in the design and analysis of structures in varied ground conditions.