Al/CFRP混合薄壁结构耐撞性能可靠性优化设计

张正峰,宋小雨,袁晓磊,陈文娟,张伟东

Reliability optimization design for crashworthiness of Al/CFRP hybrid thin-walled structure

Zheng-feng ZHANG,Xiao-yu SONG,Xiao-lei YUAN,Wen-juan CHEN,Wei-dong ZHANG

表8 Al/CFRP混合方管耐撞性能指标的仿真与实验结果对比

Table 8 Comparison between simulation and experimental results of crashworthiness index of Al/CFRP hybrid square tube

对比项 We/J Ws/(J/g) Fmax/kN Fave/kN λc 相对误差/% 6.17 6.13 1.85 5.89 4.68 实验值 3 444.74 36.35 66.87 43.07 0.64 仿真值 3 657.47 38.58 68.11 45.61 0.67