Article (Scientific journals)
A second gradient cohesive element for mode I crack propagation
Jouan, Gwendal; Kotronis, Panagiotis; Caillerie, Denis et al.
2022In Finite Elements in Analysis and Design, 204, p. 103732
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Keywords :
Cohesive element; Crack; Generalized continua; Higher-order continua; Micromorphic continua; Regularization; Second gradient; Strain localization; Transition; Cracks propagation; Higher order continuum; Micromorphic continuum; Mode I crack; Regularisation; Strain localizations; Analysis; Engineering (all); Computer Graphics and Computer-Aided Design; Applied Mathematics; General Engineering
Abstract :
[en] Modeling strain localization with a second gradient model can become problematic at the late stages of softening response, when the second gradient terms become significant compared to the first gradient terms. This is particularly true for mode I crack problems where an unrealistic spreading of the localized zone can be encountered. To deal with these limitations, a novel second gradient interface element for mode I crack propagation problems is introduced. It is shown that the model is able to correctly reproduce all the different phases up to failure; the adherence phase, strain localization, the transition from localized strains to cohesive zones and full crack opening.
Disciplines :
Civil engineering
Author, co-author :
Jouan, Gwendal;  École Centrale de Nantes, Université de Nantes, CNRS Institut de Recherche en Génie Civil et Mécanique (GeM), UMR 6183, Nantes, cedex 3, France ; ArGEnCo Department, University of Liège, Liège, Belgium
Kotronis, Panagiotis ;  École Centrale de Nantes, Université de Nantes, CNRS Institut de Recherche en Génie Civil et Mécanique (GeM), UMR 6183, Nantes, cedex 3, France
Caillerie, Denis ;  University Grenoble Alpes, CNRS, Grenoble INP, Grenoble, France
Collin, Frédéric  ;  Université de Liège - ULiège > Urban and Environmental Engineering
Language :
English
Title :
A second gradient cohesive element for mode I crack propagation
Publication date :
July 2022
Journal title :
Finite Elements in Analysis and Design
ISSN :
0168-874X
eISSN :
1872-6925
Publisher :
Elsevier B.V.
Volume :
204
Pages :
103732
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 07 June 2022

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