Path-independent integrals, energy release rates, and general solutions of near-tip fields in mixed-mode dynamic fracture mechanics

T. Nishioka, S. N. Atluri

Research output: Contribution to journalArticle

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Abstract

In this paper the following topics are addressed: (i) the physical meaning of pathindependent integrals for elastodynamically propagating cracks introduced earlier by Atluri, Bui and Kishimoto et al. (ii) the relation of these integrals to the energy release rates, for propagating cracks and (iii) the relation between these integrals and the time-dependent stress-intensity factors KI(t), KII(t) and KIII(t) in general mixed mode dynamic crack propagation. Finally, a new path-independent integral which has the meaning of energy-release-rate for a propagating crack, is introduced.

Original languageEnglish
Pages (from-to)1-22
Number of pages22
JournalEngineering Fracture Mechanics
Volume18
Issue number1
DOIs
StatePublished - 1983

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