Applied Mathematics and Mechanics

, Volume 22, Issue 3, pp 270–281 | Cite as

Buckling and Postbuckling of Laminated Thin Cylindrical Shells under Hygrothermal Environments

  • Hui-shen Shen


The influence of hygrothermal effects on the buckling and postbuckling of composite laminated cylindrical shells subjected to axial compression is investigated using a micro-to-macro-mechanical analytical model. The material properties of the composite are affected by the variation of temperature and moisture, and are based on a micromechanical model of a laminate. The governing equations are based on the classical laminated shell theory, and including hygrothermal effects. The nonlinear prebuckling deformations and initial geometric imperfections of the shell were both taken into account. A boundary layer theory of shell buckling was extended to the case of laminated cylindrical shells under hygrothermal environments, and a singular perturbation technique was employed to determine buckling loads and postbuckling equilibrium paths. The numerical illustrations concern the postbuckling behavior of perfect and imperfect, cross-ply laminated cylindrical shells under different sets of environmental conditions. The influences played by temperature rise, the degree of moisture concentration, fiber volume fraction, shell geometric parameter, total number of plies, stacking sequences and initial geometric imperfections are studied.

structural stability postbuckling hygrothermal environments composite laminated cylindrical shell a boundary layer theory of shell buckling singular perturbation technique 


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Copyright information

© Kluwer Academic Publishers 2001

Authors and Affiliations

  • Hui-shen Shen
    • 1
  1. 1.School of Civil Engineering and MechanicsShanghai Jiaotong UniversityShanghaiP R China

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