Matching Asymptotic Method in Propagation of Cracks with Dugdale Model

The goal of this work is to apply the matching asymptotic method combined with a variationalapproach to study the initiation and the propagation of a cohesive crack from the tip of a preexistingnotch following the Dugdale cohesive force model when the characteristic length of the material (includedi...

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Bibliographic Details
Published in:Key engineering materials 2012-11, Vol.525-526, p.489-492
Main Authors: Halpern, Laurence, Marigo, Jean Jacques, Tuyet, Dang Thi Bach
Format: Article
Language:English
Subjects:
Asymptotic methods
Cohesion
Crack initiation
Crack propagation
Cracks
Matching
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Summary:The goal of this work is to apply the matching asymptotic method combined with a variationalapproach to study the initiation and the propagation of a cohesive crack from the tip of a preexistingnotch following the Dugdale cohesive force model when the characteristic length of the material (includedin the Dugdale model) is small by comparison with the characteristic length of the body.
ISSN:1013-9826
1662-9795
1662-9795
DOI:10.4028/www.scientific.net/KEM.525-526.489