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Effect of loading and lamination parameters on the optimum design of laminated plates
Faculty
Science
Year:
2011
Type of Publication:
Article
Pages:
1149-1158
Authors:
Mahmoud, F. F, Assie, A. E, Kabeel, A. M
DOI:
10.1007/s12206-011-0336-9
Journal:
JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY KOREAN SOC MECHANICAL ENGINEERS
Volume:
25
Research Area:
Engineering
ISSN
ISI:000290690200008
Keywords :
Laminated composite, Optimum design, Dynamic load, Finite element method
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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