Stress analysis of finite composite laminate with multiple loaded holes |
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| Institution: | 1. Department of Manufacturing Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong;1. Texas Materials Institute Materials Science and Engineering Program, The University of Texas at Austin, Austin, TX 78712, USA;2. Department of Aerospace Engineering and Engineering Mechanics, The University of Texas at Austin, Austin, TX 78712, USA;3. School of Human Ecology, The University of Texas at Austin, Austin, TX 78712, USA;1. Department of Engineering Mechanics, Hohai University, Nanjing 211100, PR China;2. Institute for Research and Development, Duy Tan University, Da Nang City, Viet Nam;3. Department of Civil and Environmental Engineering, Tokyo Institute of Technology, 2-12-1-W8-22, Ookayama, Meguro-ku, Tokyo 152-8552, Japan;1. Instituto Nacional del Carbón, INCAR-CSIC, Apartado 73, 33080 Oviedo, Spain;2. Instituto de Ciencia y Tecnología de Polímeros, ICTP-CSIC, C/Juan de la Cierva 3, 28006 Madrid, Spain;1. Laboratoire de Génie Civil, Ecole Nationale d’Ingénieurs de Tunis, University of Tunis El Manar, BP 37, 1002 le Belvédeère, Tunis, Tunisia;2. Department PAU, University Mediterranea of Reggio Calabria, Via Melissari, I-89124 Reggio Calabria, Italy |
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| Abstract: | Based on the classical laminated plate theory, a finite composite plate weakened by multiple elliptical holes is treated as an anisotropic multiple connected plate. Using the complex potential method in the plane theory of elasticity of an anisotropic body, an analytical study concerned with the stress distributions around multiple loaded holes in finite composite laminated plates subjected to arbitrary loads was performed. The analysis makes use of the Faber series expansion, conformal mapping and the least squares boundary collocation techniques. The effects of plate and hole sizes, layups, the relative distance between holes, the total number of holes and their locations on the stress distribution are studied in detail. Some conclusions are drawn. |
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