Abstract
This paper illustrates the effect of loading conditions and lamination parameters on the optimum design of the laminated composite plates. Optimum design procedure based on the flexibility criterion is presented in this paper. The objective is to determine the optimum thickness of the laminate layers and its optimum orientations without exhibiting any failure. The finite element method based on Mindlin plate theory is used in conjunction with an optimization method in order to determine the optimum design. Newmark implicit time integration scheme is used to discretize the time domain and calculate the transient response of the laminated plate. Exterior penalty method is exploited as a constrained minimization technique. For this purpose, four numerical examples are presented to figure out the effects of dynamic loading profile, boundary conditions, number of layers, and degree of orthotropy on the optimum weight design.
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This paper was recommended for publication in revised form by Editor Yeon June Kang
A. M. Kabeel received his B.S, and M.S. in Mechanical Engineering from Zagazig University, Egypt in 1999 and 2007, respectively. A.M. Kabeel is currently an assistance lecturer of the Department of Mechanical Design and Production Engineering of Zagazig University, Egypt. His research fields are dynamic analysis, optimization, composite structural, finite element analysis and continuum mechanics.
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Assie, A.E., Kabeel, A.M. & Mahmoud, F.F. Effect of loading and lamination parameters on the optimum design of laminated plates. J Mech Sci Technol 25, 1149–1158 (2011). https://doi.org/10.1007/s12206-011-0336-9
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DOI: https://doi.org/10.1007/s12206-011-0336-9