Optimal design of ballistic performance of fiber-metal laminates based on the response surface method

被引：0
|
作者：
Kong X. [1 ]
Yang B. [1 ,2 ]
Zhou H. [1 ,2 ]
Zheng C. [1 ]
Liu F. [3 ]
Wu W. [1 ]
机构：
[1] Green & Smart River-Sea-Going Ship, Cruise and Yacht Research Center, Wuhan University of Technology, Wuhan
[2] School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan
[3] School of Transportation and Logistics Engineering, Wuhan University of Technology, Wuhan
来源：
Baozha Yu Chongji/Explosion and Shock Waves | 2022年 / 42卷 / 04期
关键词：
Composite material; Genetic algorithm; Laminate; Response surface method;
D O I：
10.11883/bzycj-2021-0146
中图分类号：
学科分类号：
摘要：
Fiber-metal laminates are highly designable due to the characteristics of their constituent materials and laminate structure. They have the characteristics of anisotropy, large interface differences, and flexible design. Optimizing the design of fiber-metal laminates is of great significance to the enhancement of its mechanical properties and weight reduction. In order to improve the ballistic performance of fiber-metal laminates, of which the layer direction and layer thickness are optimized based on the response surface analysis method. For layup direction optimization, several layup directions are designed based on the corresponding principles according to the composite material layup optimization design requirements, and the energy absorptions of the corresponding structures are calculated, respectively, then the design plan for the better layup direction is screened out. For the optimization of ply thickness, the relative thickness ratio of each ply of the fiber-metal laminate is used as the design variable, and the specific energy absorption of the structure is the design goal. The Box-Behnken method is used to design the experiment. According to the test plan, the explicit dynamic calculation program ABAQUS/Explicit is used for parametric modeling to obtain test sample points, and the design test samples are analyzed by using variance analysis and parameter estimation, and the response surface model of structural specific energy absorption (SEA) is established. The errors between the experimental values and the predicted values are compared, and the model can be used for prediction; the genetic algorithm is used to optimize the obtained response surface equation, and the optimization effect is verified by ABAQUS/Explicit. The optimization result shows that the accuracy of the obtained response surface model is high. Under the premise of not increasing the thickness and weight of the laminate, the best layup plan is finally obtained, which improves the energy absorption capacity of the laminate. Finally, the mass of laminates decreases by 11.70% and the energy absorption increases by 19.40% under the optimal lamination scheme. © 2022, Editorial Staff of EXPLOSION AND SHOCK WAVES. All right reserved.
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