Three-dimensional modelling of elastic bonding in composite laminates using layerwise differential quadrature |
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| Affiliation: | 1. Nanyang Centre for Supercomputing and Visualisation, School of Mechanical and Production Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore;2. Institute of High Performance Computing, 89C Science Park Drive, #02-11/12, The Rutherford, Singapore Science Park 1, Singapore 118261, Singapore;3. Engineering Mechanics and Design Laboratory, University of Toronto, 5 King’s College Road, Toronto, Ont., Canada M5S 3G8;1. Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, Bern, Switzerland;2. Department of Oral and Maxillofacial Surgery, Copenhagen University Hospital, Copenhagen, Denmark;1. EPFL IC IIF LSR, Station 14, CH-1015 Lausanne, Switzerland;2. Department of Computing & Software, McMaster University, Canada;3. Embedded Computing Systems Group, TU Wien, Vienna, Austria;1. Division of Applied Mathematics, Brown University, Providence 02912, USA;2. Department of Mathematics, Jinan University, Guangzhou 510632, PR China |
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| Abstract: | ![]()
In an effort to overcome the limitations of existing rigid bonding analysis of composite laminates, the current three-dimensional elastostatic model is proposed. In this model, the three-dimensional interlaminar elastic stress field is determined using the technique of layerwise differential quadrature. The new formulations allowed us to determine the influence of a natural bonding layer upon the field variables in the laminated structure. The interfacial characteristics of continuity and discontinuity satisfy the kinematic continuity conditions through the elastic-bonding layer. A number of case studies are examined, comparisons with rigid bonding and finite element analyses are provided, and the influence of the pertinent parameters on the interlaminar stress field is evaluated and discussed. |
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