Nonlinear buckling behavior of 3D-braided composite cylindrical shells subjected to internal pressure loads in thermal environments


The nonlinear buckling behavior of a 3D-braided composite cylindrical shell of finite length subjected to internal pressure in thermal environments is considered. According to a new micromacromechanical model, a 3D-braided composite may be treated as a cell system where the geometry of each cell strongly depends on its position in the cross section of the cylindrical shell. The material properties of the epoxy matrix are expressed as linear functions of temperature. The governing equations are based on Reddy’s higher-order shear deformation theory of shells with a von Karman–Donnell-type kinematic nonlinearity and include thermal effects. The singular perturbation technique is employed to determine the buckling pressure and the postbuckling equilibrium paths of the shell.


3D-braided composites cylindrical shell higher-order shear deformation theory of shells nonlinear buckling internal pressure 



The work described in this paper was supported in part by grants from the National Natural Science Foundation of China (No. 50909059, 51005013), the China Postdoctoral Science Special Foundation (No. 200902232) and the China Postdoctoral Science Foundation (No. 20080440623, 20090460703). The authors are grateful for these financial supports.


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© Springer Science+Business Media, Inc. 2011

Authors and Affiliations

  1. 1.School of Mechanical Engineering, Shanghai Key Lab of Digital Autobody EngineeringShanghai Jiao Tong UniversityShanghaiP. R. China
  2. 2.Shanghai Composite High-Tech Development Co.,LtdShanghaiP. R. China
  3. 3.School of Mechanical, Electronic, and Control EngineeringBeijing Jiao Tong UniversityBeijingP. R. China
  4. 4.Mechanical, Electrical, and Information Engineering School, Zhejiang Textile & Fashion CollegeNingboP. R. China

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