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| Naji, M. |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Jensen, Henrik Myhre
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Compressive strength prediction of carbon fiber-reinforced pultruded profiles including realistic volumetric fiber orientationscitations
- 2019Kink band predictions in fiber composites using periodic boundary conditionscitations
- 2018Micromechanics of kink band formation in open-hole fibre composites under compressive loadingcitations
- 2018Micromechanics of kink band formation in open-hole fibre composites under compressive loadingcitations
- 2016Experimental study of cracks at interfaces with voidscitations
- 2011Simulation of Post Failure Response in Fiber Composites
- 2007Interface fracture in adhesively bonded shell structurescitations
- 2006A Fracture Mechanical Model and a Cohesive Zone Model of Interface Fracture
- 2004Cohesive zone modelling of interface fracture near flaws in adhesive jointscitations
- 2003Crack initiation and growth in brittle bondscitations
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article
Interface fracture in adhesively bonded shell structures
Abstract
Two methods for the prediction of crack propagation through the interface of adhesively bonded shells are discussed. One is based on a fracture mechanics approach; the other is based on a cohesive zone approach. Attention is focussed on predicting the shape of the crack front and the critical stress required to propagate the crack under quasi-static conditions. The fracture mechanical model is theoretically sound and it is accurate and numerically stable. The cohesive zone model has some advantages over the fracture mechanics based model. It is easier to generalise the cohesive zone model to take into account effects such as plastic deformation in the adhering shells, and to take into account effects of large local curvatures of the interface crack front. The comparison shows a convergence of the results based on the cohesive zone model towards the results based on a fracture mechanics approach in the limit where the size of the cohesive zone becomes smaller than other relevant geometrical lengths for the problem. However, convergence issues and numerical stability must be addressed.