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http://dx.doi.org/10.12989/sem.2016.58.5.745

A new formulation of the J integral of bonded composite repair in aircraft structures  

Serier, Nassim (LMPM, Department of Mechanical Engineering, University of SidiBel Abbes)
Mechab, Belaid (LMPM, Department of Mechanical Engineering, University of SidiBel Abbes)
Mhamdia, Rachid (LMPM, Department of Mechanical Engineering, University of SidiBel Abbes)
Serier, Boualem (LMPM, Department of Mechanical Engineering, University of SidiBel Abbes)
Publication Information
Structural Engineering and Mechanics / v.58, no.5, 2016 , pp. 745-755 More about this Journal
Abstract
A three-dimensional finite element method is used for analysis of repairing cracks in plates with bonded composite patch in elastic and elastic plastic analysis. This study was performed in order to establish an analytical model of the J-integral for repair crack. This formulation of the J-integral to establish models of fatigue crack growth in repairing aircraft structures. The model was developed by interpolation of numerical results. The obtained results were compared with those calculated with the finite element method. It was found that our model gives a good agreement of the J-integral. The arrow shape reduces the J integral at the crack tip, which improves the repair efficiency.
Keywords
composite; Finite Element Method; modelling; fracture mechanic; elastic-plastic;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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