Optimum shape for buckling and post-buckling behavior of a laminated composite panel with I-type stiffeners

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A shape optimization of stiffener was conducted to increase buckling load or failure load with stiffened laminated composite panel of I-type under compression loading. Design variables are cap length, web length, and/or thickness under the constraint of volume constancy. The objective function is buckling load and failure load of post-buckling based on Tsai-Hill theory using ABAQUS 5.8 for analysis and Optimizer on Broydon-Fletcher Goldfarb-Sharno Method and Augmented Lagrange Multiplier Method. The effects of relative length of a web and a cap of stiffener on buckling load and failure load of post-buckling were investigated with the results of optimum design.
Publisher
KOREAN SOC MECHANICAL ENGINEERS
Issue Date
2002-10
Language
English
Article Type
Article
Citation

KSME INTERNATIONAL JOURNAL, v.16, no.10, pp.1211 - 1221

ISSN
1226-4865
DOI
10.1007/BF02983827
URI
http://hdl.handle.net/10203/312462
Appears in Collection
BS-Journal Papers(저널논문)
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