Delamination growth of composite laminated cylindrical shells under radial uniformly distributed dynamic load
The growth of delamination in cylindrical shells subjected to radial dynamic load may lead to structural failure. Based on the variational principle of moving boundary and considering the contact effect between delamination regions, the nonlinear governing equations for the delaminated cylindrical shells under radial uniformly distributed dynamic load are derived, and the corresponding boundary and matching conditions are given in this paper. At the same time, according to the Griffith criterion, the formulas of energy release rate along the delamination front are obtained and the delamination growth is studied. In the numerical calculation, the delamination growth of axisymmetrical laminated cylindrical shells is analyzed, and the effects of delamination length and depth, the geometrical parameter and the material property on delamination growth are discussed.
Delamination growth Laminated cylindrical shell Uniformly distributed dynamic load Energy release rates Griffith criterion Contact effect
Jinhua Yang Xingye Chen Chuanxi Li
School of Bridge and Structure Engineering, Changsha University of Science and Technology, Changsha 410076, China
国际会议
国际断裂力学2007年会(Fracture Mechanics and Applications 2007)
长沙
英文
309-318
2007-11-01（万方平台首次上网日期，不代表论文的发表时间）