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13 Al/CFRP混合方管的确定性与可靠性优化最优解对比

Table 13 Comparison of certainty and reliability optimal solutions of Al/CFRP hybrid square tube

设计变量、优化目标及约束 确定性优化解 可靠性优化解 TAl/mm 0.59 0.79 θ1/(°) 5.37 16.62 θ2/(°) 43.92 25.70 θ3/(°) 22.46 20.99 θ4/(°) 44.79 37.97 Fmax/kN 38.24 42.11 Ws/(J/g) 36.56 35.75 λc 0.71 0.76 可靠度/% 87.36 98.32