Nonlinear analysis of edge effects in angle-ply laminates |
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| Affiliation: | 1. School of Engineering, RMIT University, Melbourne, Australia;2. School of Engineering and Technology, CQUniversity, Melbourne, Australia;3. Department of Civil and Construction Engineering, Swinburne University of Technology, Victoria, Australia;4. School of Civil Engineering and Center of Excellence in Innovation for Sustainable Infrastructure Development, Suranaree University of Technology, Nakhon Ratchasima, Thailand;1. Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, PR China;2. Zhejiang Institute, China University of Geosciences (Wuhan), Hangzhou 311305, China;3. China Building Materials Academy, Beijing 100024, PR China;4. Key Laboratory for Green & Advanced Civil Engineering Materials and Application Technology of Hunan Province, College of Civil Engineering, Hunan University, Changsha 410082, PR China;1. Leibniz University Hannover, Institute of Structural Analysis, Appelstraße 9A, 30167 Hannover, Germany;2. Universidad de Sevilla, Elasticity and Strength of Materials Group, School of Engineering, Camino de los Descubrimientoss s/n, 41092 Seville, Spain;1. Unilever R& D Colworth, Sharnbrook, Bedford MK44 1LQ, UK;2. School of Physics and Astronomy, University of Edinburgh, Peter Guthrie Tait Road, Edinburgh EH9 3FD, UK |
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| Abstract: | An initial stress iteration method using a quasi-three-dimensional finite element has been developed for the nonlinear analysis of Carbon Fibre Reinforced Plastic (CFRP) laminates subjected to a uniform inplane load. Linear and nonlinear analyses of the free edge problem were carried out for the 0/90]s, and ± 45]s laminates with and without resin layers included between plies of laminae. The nonlinear results show that the peak shear stress in the 0/90]s laminate and all the stress components in the ±45], laminates are reduced. A maximum strain failure criterion was used and failure modes were predicted. |
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