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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
Article
  • 59 Downloads

Abstract

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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References

  1. [1]
    Birman V, Bert C W. Buckling and post-buckling of composite plates and shells subjected to elevated temperature[J]. ASME J Appl Mech, 1993,60(2):514–519.Google Scholar
  2. [2]
    SHEN Hui-shen. Post-buckling analysis of imperfect stiffened laminated cylindrical shells under combined external pressure and axial compression [J]. Computers & Structures, 1997,63(2): 335–348.Google Scholar
  3. [3]
    SHEN Hui-shen. Thermal postbuckling analysis of imperfect stiffened laminated cylindrical shells[J], Int J Non-Linear Mech,1997,32(2):259–275.Google Scholar
  4. [4]
    SHEN Hui-shen. Thermomechanical postbuckling of stiffened laminated cylindrical shell[J]. ASCE J Engrg Mech,1997,123(5):433-443.Google Scholar
  5. [5]
    SHEN Hui-shen. Postbuckling analysis of imperfect stiffened laminated cylindrical shells under combined external pressure and thermal loading[J]. Int J Mech Sci,1998,40(4):339–355.Google Scholar
  6. [6]
    SHEN Hui-shen. Thermomechanical postbuckling of composite laminated cylindrical shells with local geometric imperfections[J]. Int J Solids Structures,1999,36(4):597–617.Google Scholar
  7. [7]
    Whitney J M, Ashton J E. Effect of environment on the elastic response of layered composite plates[J]. AIAA J,1971,9(9):1708–1713.Google Scholar
  8. [8]
    Snead J M, Palazotto A N. Moisture and temperature effects on the instability of cylindrical composite panels[J]. J Aircraft,1983,20(9):777–783.Google Scholar
  9. [9]
    Lee S Y, Yen W J. Hygrothermal effects on the stability of a cylindrical composite shell panel[J]. Computers & Structures,1989,33(2):551–559.Google Scholar
  10. [10]
    Ram K S S, Sinha P K. Hygrothermal effects on the buckling of laminated composite plates[J]. Composite Structures,1992,21(4):233–247Google Scholar
  11. [11]
    Chao L P, Shyu S L. Nonlinear buckling of fiber-reinforced composite plates under hygrothermal effects[J]. J Chinese Institute of Engineers,1996,19(6):657–667.Google Scholar
  12. [12]
    Tsai S W, Hahn H T. Introduction to Composite Materials[M]. Westport, CT: Technomic Publishing Co,1980.Google Scholar
  13. [13]
    Batdorf S B. A simplified method of elastic stability for thin cylindrical shells[R]. NACA TR-874, 1947.Google Scholar
  14. [14]
    Bowles D E, Tompkins S S. Prediction of coefficients of thermal expansion for unidirectional composites[J]. J Composite Materials,1989,23(4/6):370–381.Google Scholar
  15. [15]
    Adams D F, Miller A K. Hygrothermal microstresses in a unidirectional composite exhibiting inelastic materials behavior[J]. J Composite Materials,1977,11(3):285–299.Google Scholar

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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