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Delamination growth for composite laminated cylindrical shells under external pressure

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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.

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Authors and Affiliations

  1. College of Mechanics and Aerospace, Hunan University, Changsha, 410082, P. R. China

    Fu Yi-ming  (傅衣铭) & Yang Jin-hua  (杨金花)

  2. College of Bridge and Structure Engineering, Changsha University of Science and Technology, Changsha, 410076, P. R. China

    Yang Jin-hua  (杨金花)

Authors
  1. Fu Yi-ming  (傅衣铭)
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  2. Yang Jin-hua  (杨金花)
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Corresponding author

Correspondence to Fu Yi-ming  (傅衣铭).

Additional information

Contributed by FU Yi-ming

Project supported by the National Natural Science Foundation of China (No. 10572049)

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Fu, Ym., Yang, Jh. Delamination growth for composite laminated cylindrical shells under external pressure. Appl Math Mech 28, 1131–1144 (2007). https://doi.org/10.1007/s10483-007-0901-1

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  • DOI: https://doi.org/10.1007/s10483-007-0901-1

Key words

Chinese Library Classification

2000 Mathematics Subject Classification

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