Large deflection behaviour of thick composite plates |
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| Affiliation: | 1. Dipartimento di Ingegneria Civile e Ambientale, Politecnico di Milano, Piazza L. Da Vinci 32, 20133 Milano, Italy;2. Department of Hydrology and Water Resources, University of Arizona, Tucson, AZ 85721, USA;3. Department of Earth Science and Engineering, Imperial College, London, SW7 2AZ, UK;1. School of Civil Engineering, Chongqing University, Chongqing 400045, PR China;2. Key Laboratory of New Technology for Construction of Cities in Mountain Area, Chongqing University, Ministry of Education, Chongqing 400030, PR China |
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| Abstract: | A rectangular quadratic finite element which includes large displacements, strains and rotations is developed in this paper. The effect of extra quadratic terms in the strain—displacement relationships on the large deflection of angle-ply plates is examined first. It is further shown that the fibre orientation and the boundary condition have a predominant effect on the nonlinear deflection of a unidirectional laminate. Basic work relating to the large deflection behaviour of thin and think antisymmetric and unsymmetric layered plates is also reported. Results are presented for simply supported and clamped boundary conditions. |
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