Analysis of energy release rate for composite delaminated cylindrical shells subjected to axial compression

Jinhua Yang; Yiming Fu

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Analysis of energy release rate for composite delaminated cylindrical shells subjected to axial compression

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摘要

In this paper,the postbuckling governing equations and the analytical expression of the energy release rates associated with delamination growth in a compression-loaded cylindrical shell are derived by using the variational principle of moving boundary and the Griffith fracture criterion.The finite difference method is used to generate the postbuckling solutions of the delaminated cylindrical shells,and with these solutions,the values of the energy release rates are determined.In simulational examples,the effects of a wide range of parameters,such as delamination sizes and depths,boundary conditions,geometrical parameters,material properties and laminate stacking sequences on the energy release rates of axisymmetrical laminated cylindrical shells are intensively discussed.

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来源
《力学学报：英文版》 |2006年第006期|537-546|共10页
作者
Jinhua Yang; Yiming Fu;
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作者单位

Department of Engineering Mechanics,Hunan University,Changsha 410082,China;

Department of Engineering Mechanics,Hunan University,Changsha 410082,China;

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原文格式 PDF
正文语种 chi
中图分类力学;
关键词
Composite cylindrical shell; Delamination; Griffith criterion; Energy release rates; Finite difference method;

机译：复合圆柱壳分层格里菲斯准则能量释放率有限差分法;

Analysis of energy release rate for composite delaminated cylindrical shells subjected to axial compression

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