Analysis of Delamination Growth for Composite Laminated Cylindrical Shells Under External Pressure

FU Yi-ming; YANG Jin-hua

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Article Navigation > Applied Mathematics and Mechanics > 2007 > 28(9): 1009-1020

FU Yi-ming, YANG Jin-hua. Analysis of Delamination Growth for Composite Laminated Cylindrical Shells Under External Pressure[J]. Applied Mathematics and Mechanics, 2007, 28(9): 1009-1020.

Citation:

FU Yi-ming, YANG Jin-hua. Analysis of Delamination Growth for Composite Laminated Cylindrical Shells Under External Pressure[J]. Applied Mathematics and Mechanics, 2007, 28(9): 1009-1020.

Citation:

FU Yi-ming, YANG Jin-hua. Analysis of Delamination Growth for Composite Laminated Cylindrical Shells Under External Pressure[J]. Applied Mathematics and Mechanics, 2007, 28(9): 1009-1020.

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Analysis of Delamination Growth for Composite Laminated Cylindrical Shells Under External Pressure

FU Yi-ming¹,
YANG Jin-hua^1,2

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

Received Date: 2006-03-28
Rev Recd Date: 2007-06-26
Publish Date: 2007-09-15

Abstract

Abstract

The delamination growth may occur in delaminated cylindrical shells under external pressure. This will cause structure failure. By using the variational principle of moving boundary and considering the contact effect between delamination regions, 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.
- composite,
- laminated cylindrical shell,
- external pressure,
- delamination growth,
- energy release rate,
- contact effect

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References(17)

References

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