Prediction of energy release rate for edge delamination using a crack tip element approach

Research output: Contribution to journalConference article

24 Scopus citations

Abstract

Edge delamination in composite laminates is analyzed using a closed form, crack tip element approach. Classical laminated plate theory is utilized for the crack tip element formulation. Energy release rates and fracture mode ratios as found by this new approach are shown to agree with finite element results for mechanical, hygrothermal, and combined loadings. For those cases where a linear elastic solution predicts a near-field oscillatory singularity, a relatively simple method is proposed that allows a unique value of fracture mode ratio to be defined.

Original languageEnglish (US)
Pages (from-to)155-175
Number of pages21
JournalASTM Special Technical Publication
Issue number1230
StatePublished - Oct 1 1995
EventProceedings of the 5th Symposium on Composite Materials: Fatigue and Fracture - Atlanta, GA, USA
Duration: May 4 1993May 6 1993

ASJC Scopus subject areas

  • Engineering(all)

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