Non-linear fracture mechanics and finite elements

A review is made of methods for calculating parameters characterizing crack tip behaviour in non-linear materials. Convenient methods of calculating J-integral type quantities are reviewed, classified broadly into two groups, as domain integrals and virtual crack extension techniques. In addition to...

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Bibliographic Details
Published in:Engineering computations 1987-01, Vol.4 (1), p.2-14
Main Authors: Hellen, T.K., Blackburn, W.S.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fracture mechanics (crack, fatigue, damage...)
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Structural and continuum mechanics
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Summary:A review is made of methods for calculating parameters characterizing crack tip behaviour in non-linear materials. Convenient methods of calculating J-integral type quantities are reviewed, classified broadly into two groups, as domain integrals and virtual crack extension techniques. In addition to considerations of how such quantities may be calculated by finite elements, assessment methods of conducting the actual incremental analyses are described.
ISSN:0264-4401
1758-7077
DOI:10.1108/eb023678