A comprehensive investigation on macro-micro crack interactions in functionally graded materials using ordinary-state based peridynamics

M. Ozdemir, M. Imachi, S. Tanaka, S. Oterkus, E. Oterkus

Research output: Contribution to journalArticlepeer-review

Abstract

In the present work, interactions between a macro-crack and various microcrack configurations are studied extensively. Influence of different microcrack configurations on propagation of a main crack is numerically examined by ordinary state-based peridynamics. Certain micro-crack configurations improve toughness of the specimens, while the some only has marginal impact on the crack growth rate. Furthermore, very complex crack patterns are effectively simulated by the present implementation of ordinary state-based formulation.
Original languageEnglish
Article number115299
Number of pages14
JournalComposite Structures
Volume287
Early online date5 Feb 2022
DOIs
Publication statusPublished - 1 May 2022

Keywords

  • peridynamics
  • , functionally graded materials
  • micro-cracks
  • crack-speed

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