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Applied Mathematics and Mechanics

, Volume 28, Issue 9, pp 1131–1144 | Cite as

Delamination growth for composite laminated cylindrical shells under external pressure

  • Fu Yi-ming  (傅衣铭)Email author
  • Yang Jin-hua  (杨金花)
Article

Abstract

The delamination growth may occur in delaminated cylindrical shells under external pressure. This will lead to failure of structure. By using the variational principle of moving boundary and considering the contact effect between delamination regions, in this work, the delamination growth was investigated for cylindrical shells under the action of external pressure. At the same time, according to the Griffith criterion, the formulas of energy release rate along the delamination front were obtained. In the numerical calculation, the delamination growth of axisymmetrical laminated cylindrical shells was analyzed, and the effects of delamination sizes and depths, the geometrical parameters, the material properties, and the laminate stacking sequences on delamination growth were discussed.

Key words

composite laminated cylindrical shell external pressure delamination growth energy release rates contact effect 

Chinese Library Classification

O343 

2000 Mathematics Subject Classification

74K25 74R20 

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Copyright information

© Editorial Committee of Appl. Math. Mech. 2007

Authors and Affiliations

  • Fu Yi-ming  (傅衣铭)
    • 1
    Email author
  • Yang Jin-hua  (杨金花)
    • 1
    • 2
  1. 1.College of Mechanics and AerospaceHunan UniversityChangshaP. R. China
  2. 2.College of Bridge and Structure EngineeringChangsha University of Science and TechnologyChangshaP. R. China

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