An iterative BEM for the dynamic analysis of interface crack contact problems

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Abstract

The multiparametric algorithm for solving a fracture dynamics problem is presented in the paper. The linear crack between two dissimilar elastic isotropic half-spaces under normal tension-compression load is considered. The system of boundary integral equations for displacements and tractions is derived from the dynamic Somigliana identity. The crack closure is taken into account by imposing the constraints to the normal components of contact force and displacement discontinuity vectors. The convergence of the algorithm is investigated in detail. The study of the effect of frequency of the loading on the stress intensity factors for opening and transverse shear modes is carried out.

Original languageEnglish
Pages (from-to)735-749
Number of pages15
JournalEngineering Analysis with Boundary Elements
Volume35
Issue number5
Early online date26 Jan 2011
DOIs
Publication statusPublished - May 2011

Keywords

  • Fracture dynamics
  • Boundary integral equations
  • Interface crack
  • Contact interaction

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