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Buckling and post-buckling analyses of stiffened composite shells with inter-laminar damages
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| Abstract |
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| In the paper buckling and post-buckling response of axially loaded composite stiffened shell with inter-laminar damage regions have been solved using computer code LS-DYNA. reduced number of layers and reduced stiffness in damaged regions has been investigated. in addition skin delamination with contact model has been used for the analysis of teh fracture toughness in the damaged regions. energy release rates are calculated by Technique-B methodology, employing the 2D shell elements. Mode I and mode II fracture properties are obtained in the damaged regions of the carbon/epoxy composite stiffened shell. The influence of different damage regions on the buckling and post-buckling behavior shell is investigated. |
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English
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Proceedings of 5th European LS-DYNA Users conference | |
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ARUP, 2005
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p. 1-10
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5d-28
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E-only publicatie
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| Full text (open access) |
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