Impact response of a crack in a semi-infinite body with a surface layer under longitudinal shear

Yasuhide Shindo

Research output: Contribution to journalArticlepeer-review

Abstract

The impact response of a crack in a semi-infinite body with a surface layer which is subjected to antiplane shear deformation is considered in this study. The semi-infinite body contains a crack near an interface. Using Laplace and Fourier transforms, the case of a crack perpendicular to the interface is reduced to a set of triple integral equations in the Laplace transform plane. The solution to the triple integral equations is then expressed in terms of a singular integral equation of the first kind. A numerical Laplace inversion routine is used to recover the time dependence of the solution. The dynamic stress intensity factors at the crack tips are obtained for several values of time, material constants, and geometrical parameters.

Original languageEnglish
Pages (from-to)147-162
Number of pages16
JournalActa Mechanica
Volume73
Issue number1-4
DOIs
Publication statusPublished - 1988 Aug 1

ASJC Scopus subject areas

  • Mechanics of Materials
  • Computational Mechanics

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