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14 基于代理模型和有限元仿真的Al/CFRP混合方管耐撞性能指标对比

Table 14 Comparison of crashworthiness indexes of Al/CFRP hybrid square tube based on agent model and finite element simulation

对比项 Fmax/kN Ws /(J/g) λc 相对误差/% -13.47 2.52 3.79 代理模型预测结果 42.11 35.75 0.76 有限元仿真结果 48.67 34.87 0.79