Contact buckling theory of thin plates in composite members: a review
Date
2011
Authors
Ma, X.
Butterworth, J.W.
Clifton, C.G.
Editors
Fragomeni, S.
Venkatesan, S.
Lam, N.T.K.
Setunge, S.
Venkatesan, S.
Lam, N.T.K.
Setunge, S.
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Conference paper
Citation
Proceedings of the 21st Australian Conference on the Mechanics of Structures and Materials: Incorporating Sustainable Practice in Mechanics and Structures of Materials, 2011 / Fragomeni, S., Venkatesan, S., Lam, N.T.K., Setunge, S. (ed./s), pp.59-64
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21st Australian Conference on the Mechanics of Structures and Materials (7 Dec 2010 - 10 Dec 2010 : Melbourne, Australia)
Abstract
In this paper, contact buckling theory for thin plates in composite members is reviewed. This contact buckling problem may be modelled as plates resting on tensionless foundations. The challenge of the topic is the unknown boundary conditions, i.e. the unknown contact or non contact areas. At the moment, there are infinite plate model, rigid foundation model and finite plate-elastic foundation model in existing literature to analyze the initial buckling response. Then it becomes possible to use effective width-based formulas from AS/NZS 4600:1996 (for unconstrained plates) to deduce ultimate strengths for the more complex restrained case. FEA models have also been employed for elastic or elasto-plastic post-buckling analysis, where an interesting phenomenon named secondary contact buckling has been observed. Yet, the analytical model still remains an unsolved research topic. Experimental verification and practical applications in different composite members are some other interesting topics in further study
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Copyright 2011 Taylor and Francis