Dynamic instabilities in fracture

Emily S.C. Ching, J. S. Langer, Hiizu Nakanishi

研究成果: Contribution to journalArticle査読

40 被引用数 (Scopus)

抄録

We find that moving cracks are strongly unstable against deflection in essentially all conventional cohesive-zone models of fracture dynamics. This instability is governed by detailed mechanisms of deformation and decohesion at crack tips; it cannot be detected by quasistatic far-field theories that consider only energy balance and neglect relevant dynamic degrees of freedom. Our picture of intrinsic instability is consistent with a wide range of experimental observations.

本文言語英語
ページ(範囲)1087-1090
ページ数4
ジャーナルPhysical Review Letters
76
7
DOI
出版ステータス出版済み - 1 1 1996

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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