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9 Al/CFRP混合方管的试验设计样本点及响应

Table 9 Experimental design sample points and responses of Al/CFRP hybrid square tube

样本点 设计变量 响应 TAl/mm θ1/(°) θ2/(°) θ3/(°) θ4/(°) Fmax/kN Ws/(J/g) λc 1 1.4 7 1 8 35 71.39 28.79 0.58 2 1.3 17 33 1 3 70.56 31.74 0.63 3 0.6 39 0 7 4 51.64 38.95 0.75 ︙ ︙ ︙ ︙ ︙ ︙ ︙ ︙ ︙ 58 0.7 25 0 23 3 55.33 38.89 0.74 59 1.1 12 22 22 10 60.59 38.18 0.81 60 1.5 1 12 40 43 80.09 31.74 0.59