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10 基于不同方法的Al/CFRP混合方管耐撞性能指标代理模型的精度对比

Table 10 Accuracy comparison of agent models for crashworthiness indexes of Al/CFRP hybrid square tube based on different methods

耐撞性能指标 代理模型构建方法 精度评价指标 R2 RMSE Fmax RSM 0.911 8 0.105 6 Kriging 0.831 4 0.116 7 RBF 0.753 2 0.249 6 Ws RSM 0.689 3 0.345 6 Kriging 0.904 7 0.100 2 RBF 0.758 3 0.255 2 λc RSM 0.806 5 0.185 6 Kriging 0.926 3 0.099 8 RBF 0.796 5 0.213 5