Numerical simulation of crack propagation and coalescence in randomly distributed crack system

Kazushi Sato, Akihide Saimoto, Toshiyuki Hashida, Yasufumi Imai

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

This paper discusses the crack propagation and coalescence behavior of distributed cracks using a numerical simulation. The cracks are initially distributed in a rectangle region. The directions and locations of the cracks are chosen at random, but the length is identical. The crack propagation from the initial distribution is analyzed under a uniaxial tension load using the body force method. The result indicated that the equivalent elastic moduli can be predicted analytically. The strength degradation behavior depends not only on the crack density but also on the number of cracks. The fracture energy analysis reveals that the main toughening mechanism is the ligamentary bridging in a cracked material.

Original languageEnglish
Pages (from-to)205-213
Number of pages9
JournalStrength, Fracture and Complexity
Volume1
Issue number4
Publication statusPublished - 2003

Keywords

  • Body force method
  • Crack propagation
  • Numerical simulation
  • Random crack

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Fingerprint Dive into the research topics of 'Numerical simulation of crack propagation and coalescence in randomly distributed crack system'. Together they form a unique fingerprint.

Cite this