Elastodynamic problem for two penny-shaped cracks: The effect of cracks’ closure

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Abstract

The paper is devoted to the solution of the three-dimensional elastodynamic problem for linearly elastic, homogeneous and isotropic solid with two penny-shaped in-plane cracks under normally incident harmonic tension-compression wave with allowance for the contact interaction of crack faces. The effect of the distance between cracks on the stress intensity factor (opening mode) is studied for different wave numbers. The results are compared with those obtained neglecting the cracks' closure.

Original languageEnglish
Pages (from-to)69-76
Number of pages8
JournalInternational Journal of Fracture
Volume153
Issue number1
DOIs
Publication statusPublished - Sep 2008

Keywords

  • penny-shaped in-plane cracks
  • harmonic loading
  • contact interaction
  • stress intensity factors
  • elastic-waves
  • integral-equations
  • interface crack
  • shear-wave
  • tension
  • faces
  • mechanics

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