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http://dx.doi.org/10.5139/JKSAS.2020.48.6.411

Optimal Design of the Stacking Sequence on a Composite Fan Blade Using Lamination Parameter  

Sung, Yoonju (Graduate School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Jun, Yongun (Graduate School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Park, Jungsun (Department of Aerospace and Mechanical Engineering, Korea Aerospace University)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.48, no.6, 2020 , pp. 411-418 More about this Journal
Abstract
In this paper, approximation and optimization methods are proposed for the structural performance of the composite fan blade. Using these methods, we perform the optimal design of the stacking sequence to maximize stiffnesses without changing the mass and the geometric shape of the composite fan blade. In this study, the lamination parameters are introduced to reduce the design variables and space. From the characteristics of lamination parameters, we generate response surface model having a high fitness value. Considering the requirements of the optimal stacking sequence, the multi-objective optimization problem is formulated. We apply the two-step optimization method that combines gradient-based method and genetic algorithm for efficient search of an optimal solution. Finally, the finite element analysis results of the initial and the optimized model are compared to validate the approximation and optimization methods based on the lamination parameters.
Keywords
Composite Fan Blade; Optimal Design; Lamination Parameter; Finite Element Method; Response Surface Method; Genetic Algorithm;
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