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

被引：11
|
作者：
Serier, Nassim [1 ]
Mechab, Belaid [1 ]
Mhamdia, Rachid [1 ]
Serier, Boualem [1 ]
机构：
[1] Univ SidiBel Abbes, Dept Mech Engn, LMPM, BP 89, Ben Mhidi 22000, Sidibel Abbes, Algeria
来源：
STRUCTURAL ENGINEERING AND MECHANICS | 2016年 / 58卷 / 05期
关键词：
composite; Finite Element Method; modelling; fracture mechanic; elastic-plastic; STRESS INTENSITY FACTORS; CRACKS; PATCH;
D O I：
10.12989/sem.2016.58.5.745
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
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.
引用
收藏
页码：745 / 755
页数：11
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