descriptionPublicationkeyboard_double_arrow_right Conference object , Other literature type , Contribution for newspaper or weekly magazine 01 Jan 2018Publisher:ZenodoFunded by:EC | DACOMAT

Authors: Goutianos, Stergios; Sørensen, Bent F.;

doi: 10.5281/zenodo.2621212 , 10.5281/zenodo.2621211

Increase of Fracture Resistance by the Interaction of Two Cracks - Cohesive Law Scale Effects

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Abstract

The increase of the fracture resistance of a layered structure by adding weak layers is examined through a finite element model containing two cracks. The cracks are modelled as cohesive zones. The cohesive law parameters, such as the critical opening relative to the specimen size, introduce scale effects. It is shown that a maximum increase of the fracture resistance can be attained for certain cohesive law parameters even when the distance between the two cracks is relative large relative to the structure dimensions.

Related Organizations

Technical University of Denmark
Denmark

Keywords

Multiple cracks, Fracture Resistance, Delamination, Multiple Cracks, Fracture resistance, Cohesive law, Cohesive Law

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