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<p>This study concerns the near-surface inhomogeneity effect on the dynamic frictionless axial interaction of a rigid circular plate with a two-layered transversely isotropic solid under axisymmetric condition. The near-surface inhomogeneity is modeled with the exponential variation of material properties of the top layer along depth. The problem is reduced to a Fredholm integral equation and solved by means of a numerical scheme. Using numerical results, the effect of inhomogeneity on different dynamic responses of the two-layered medium is discussed and the accuracy of numerical results is verified through comparisons with the studies in the literature.</p>

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Near-surface inhomogeneity effect on the dynamic axial frictionless interaction of a rigid plate and a two-layered transversely isotropic medium

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  • 发表日期：

    2026年5月12日

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  • Mehdi Shahmohamadi,
  • Ali Khojasteh,
  • Mohammad Rahimian,
  • Ronald Y. S. Pak

摘要

This study concerns the near-surface inhomogeneity effect on the dynamic frictionless axial interaction of a rigid circular plate with a two-layered transversely isotropic solid under axisymmetric condition. The near-surface inhomogeneity is modeled with the exponential variation of material properties of the top layer along depth. The problem is reduced to a Fredholm integral equation and solved by means of a numerical scheme. Using numerical results, the effect of inhomogeneity on different dynamic responses of the two-layered medium is discussed and the accuracy of numerical results is verified through comparisons with the studies in the literature.