Analysis on evolution pattern of periodically distributed defects

Kenji Oguni, Muneo Hori, Kiyohiro Ikeda

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

A similar pattern is formed in various materials, when periodically distributed defects evolve. Mathematically, this pattern formation is understood as the consequence of symmetry breaking, while physically it is caused by interaction effect which vary depending on materials or defects. In examining the nature of the interaction effects, this paper analyzes the bifurcation induced growth of a periodic array of defects. With the aid of group-theoretic bifurcation analysis, it is clearly shown that when the uniform pattern (the evolution of all defects) is broken, only the alternate pattern (the evolution of every second defect) can take place for smaller defects, as often observed in nature. Therefore, two defects should be considered to examine a possible bifurcation of periodic defects. Furthermore, the conclusion obtained can be extended to explain the phenomena whereby every second, fourth, and then eighth defect continue to evolve, and whereby alternate bifurcation is repeated successively until the evolution is localized.

Original languageEnglish
Pages (from-to)3259-3272
Number of pages14
JournalInternational Journal of Solids and Structures
Volume34
Issue number25
Publication statusPublished - 1997 Sep
Externally publishedYes

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Defects
defects
Bifurcation
Interaction Effects
Alternate
Bifurcation Analysis
Pattern Formation
Symmetry Breaking
broken symmetry
Continue
interactions
Vary

ASJC Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Analysis on evolution pattern of periodically distributed defects. / Oguni, Kenji; Hori, Muneo; Ikeda, Kiyohiro.

In: International Journal of Solids and Structures, Vol. 34, No. 25, 09.1997, p. 3259-3272.

Research output: Contribution to journalArticle

Oguni, Kenji ; Hori, Muneo ; Ikeda, Kiyohiro. / Analysis on evolution pattern of periodically distributed defects. In: International Journal of Solids and Structures. 1997 ; Vol. 34, No. 25. pp. 3259-3272.
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