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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jess/124/07/1457-1474

    • Keywords

       

      Initial stress; irregularity; non-homogeneous; Love-type wave; isotropic; double layer.

    • Abstract

       

      The present paper deals with the propagation of Love-type wave in an initially stressed irregular vertically heterogeneous layer lying over an initially stressed isotropic layer and an initially stressed isotropic half-space. Two different types of irregularities, viz., rectangular and parabolic, are considered at the interface of uppermost initially stressed heterogeneous layer and intermediate initially stressed isotropic layer. Dispersion equations are obtained in closed form for both cases of irregularities, distinctly. The effect of size and shape of irregularity, horizontal compressive initial stress, horizontal tensile initial stress, heterogeneity of the uppermost layer and width ratio of the layers on phase velocity of Love-type wave are the major highlights of the study. Comparative study has been made to identify the effects of different shapes of irregularity, presence of heterogeneity and initial stresses. Numerical computations have been carried out and depicted by means of graphs for the present study.

    • Author Affiliations

       

      Abhishek Kumar Singh1 Amrita Das1 Zeenat Parween1 Amares Chattopadhyay1

      1. Department of Applied Mathematics, Indian School of Mines, Dhanbad 826 004, Jharkhand, India.
    • Dates

       
  • Journal of Earth System Science | News

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