On the practical application of the cohesive model

The cohesive model has been formulated such that it can be used for practical application. A specific traction–separation law is proposed which is mainly given by the cohesive stress, T 0 and the cohesive energy, Γ 0. Experimental procedures have been developed which allow the determination of these...

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Bibliographic Details
Published in:Engineering fracture mechanics 2003-09, Vol.70 (14), p.1963-1987
Main Authors: Cornec, Alfred, Scheider, Ingo, Schwalbe, Karl-Heinz
Format: Article
Language:English
Subjects:
Cohesive energy
Cohesive model
Cohesive stress
Finite element analysis
Simulation of crack extension
Validation
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Summary:The cohesive model has been formulated such that it can be used for practical application. A specific traction–separation law is proposed which is mainly given by the cohesive stress, T 0 and the cohesive energy, Γ 0. Experimental procedures have been developed which allow the determination of these material parameters. By means of experiments on three different materials and different specimen geometries it has been demonstrated that the proposed procedure provides very good predictions.
ISSN:0013-7944
1873-7315
DOI:10.1016/S0013-7944(03)00134-6