Multi-Objective Optimization for Energy Absorption of Carbon Fiber-Reinforced Plastic/Aluminum Hybrid Circular Tube unde
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JMEPEG https://doi.org/10.1007/s11665-020-04941-4
Multi-Objective Optimization for Energy Absorption of Carbon Fiber-Reinforced Plastic/Aluminum Hybrid Circular Tube under Both Transverse and Axial Loading Qihua Ma
, Boyan Dong, Yibin Zha, Jiarui Sun, Xuehui Gan, Ming Cai, and Tianjun Zhou (Submitted September 15, 2019; in revised form May 25, 2020)
In order to obtain a hybrid tube with better energy absorption performance under both three-point bending and axial compression, multi-objective optimization for energy absorption of carbon fiber-reinforced plastics (CFRP)/aluminum (CFRP/AL) hybrid circular tubes was presented in this paper. Experiments and finite element model (FEM) of the hybrid circular tubes subjected to three-point bending and axial compression were performed, and the finite element models were validated. The effects of fiber filament winding angle (h) and aluminum wall thickness (t) on energy absorption characteristic of the hybrid tube under three-point bending and axial compressive were discussed by FEM. The results show that h and t have different effects on the specific energy absorption (SEA) of the hybrid tube under threepoint bending and axial compression, respectively. A five-order polynomial response surface (PRS) and artificial neural network (ANN) were used to connect variables (h and t) and the objective (SEA), respectively. It was found that the fitting accuracy of ANN was better. The non-dominated sorting genetic algorithm-II (NSGAII) was applied to obtain optimal results in the form of Pareto frontier solutions. The specific energy absorption of the optimized hybrid tube (h = 24°, t = 1.45 mm) verified by simulation under three-point bending and axial compression is 1.11 kN/kg and 45.59 kN/kg, respectively. The hybrid tube exhibits better specific energy absorption under both loads. Keywords
axial compression, carbon fiber-reinforced plastics/ aluminum hybrid tube, multi-objective optimization, specific energy absorption, three-point bending
Qihua Ma, School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, PeopleÕs Republic of China; State Key Laboratory for Modification of Chemical Fibers and Polymer, Donghua University, Shanghai 201620, PeopleÕs Republic of China; and Shanghai Key Laboratory of Lightweight Composite, Donghua University, Shanghai 201620, PeopleÕs Republic of China; Boyan Dong, School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, PeopleÕs Republic of China; and Shanghai Key Laboratory of Lightweight Composite, Donghua University, Shanghai 201620, PeopleÕs Republic of China; Yibin Zha, School of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, PeopleÕs Republic of China; and State Key Laboratory for Modification of Chemical Fibers and Polymer, Donghua University, Shanghai 201620, PeopleÕs Republic of China; Jiarui Sun, Ming Cai, and Tianjun Zhou, School of Mechanical and Automotive Engineering, Shanghai University of E
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