Energy release rate in a prestressed sandwich plate-strip containing interface cracks

被引：0
作者：
S. D. Akbarov
A. Turan
机构：
[1] Yildiz Technical University,Institute of Mathematics and Mechanics
[2] Faculty of Chemistry and Metallurgy,undefined
[3] Department of Mathematical Engineering,undefined
[4] National Academy of Sciences of Azerbaijan,undefined
来源：
Mechanics of Composite Materials | 2009年 / 45卷
关键词：
initial stresses; energy release rate; interface crack; sandwich plate; buckling delamination;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Within the framework of a piecewise homogeneous body model, by utilizing the three-dimensional linearized theory of elasticity, the problem of opening of interface cracks in an initially stressed sandwich plate-strip is studied. To solve the corresponding boundary-contact problem, the FEM is employed. Numerical results for the influence of the initial stresses on the energy release rate (ERR) at various values of problem parameters are presented and discussed. In particular, it is established that the ERR in creases (de creases) with growing initial tension (compression) of the plate-strip.
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页码：597 / 608
页数：11
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