Prediction of fatigue crack growth rates using crack closure finite element analysis

H Alizadeh, S Simandjuntak, DJ Smith, MJ Pavier

Research output: Contribution to journalArticle (Academic Journal)peer-review

13 Citations (Scopus)

Abstract

A three-dimensional finite element fatigue crack closure model of a corner crack and of a through thickness crack has been developed to evaluate the range of effective stress intensity factor from the distribution of the range of stress ahead of the crack tip. The corresponding fatigue crack growth rate was evaluated from a Paris law fit to experimental data from high stress ratio tests. The point of origin for the range of stress distribution was adjusted in accordance with Irwin’s plastic zone correction. Encouraging comparisons of finite element predictions of fatigue crack growth rate incorporating closure effects with experimental measurements were obtained.
Translated title of the contributionPrediction of fatigue crack growth rates using crack closure finite element analysis
Original languageEnglish
Pages (from-to)1711 - 1715
Number of pages5
JournalInternational Journal of Fatigue
Volume29 (9-11)
DOIs
Publication statusPublished - Sep 2007

Bibliographical note

Publisher: Elsevier

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