A coupled contact and decohesion analysis of laminated beams

被引：1
作者：
Carpinteri, Alberto [1 ]
Paggi, Marco [1 ]
Zavarise, Giorgio [1 ]
机构：
[1] Politecn Torino, Dept Struct & Geotech Engn, Corso Duca Abruzzi 24, I-10129 Turin, Italy
来源：
IUTAM SYMPOSIUM ON COMPUTATIONAL METHODS IN CONTACT MECHANICS | 2007年 / 3卷
关键词：
contact; decohesion; cohesive models; laminated beams; finite elements;
D O I：
10.1007/978-1-4020-6405-0_9
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The problem of interface decohesion in laminated beams is addressed with reference to the double cantilever beam (DCB) geometry. The paper deals with the analysis of the influence of non-uniform bonding properties or interfacial defects on the crack propagation process and its stability. In spite of the relative simplicity of the considered case study, which is under pure Mode I deformation, a contact problem takes place due to the decohesion. The occurrence of contact makes the problem highly non-linear, since the extension of the contact area is a priori unknown. The finite element method with a generalized interface constitutive law is used to enforce the contact constraint along the interface and to model the progress of the delamination process.
引用
收藏
页码：147 / +
页数：3
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