面向变厚度柔性轧制工艺的帽型梁横向冲击吸能优化设计 1)

童泽奇,刘杨,刘书田

DESIGN OPTIMIZATION OF TOP-HAT BEAM FOR ENERGY ABSORPTION UNDER TRANSVERSE CRASH BASED ON VARIABLE GAUGE ROLLING 1)

Zeqi Tong,Yang Liu,Shutian Liu

表4 优化后曲线过渡型轧制结构的几何参数

Table 4 Optimized geometry parameters of top-hat beam with curve majored transition section

Structure label Geometry parameter h,hl mm l4 / mm h,t2l mm hi mm h,hl mm 3 length 250 40 710 — — thickness 1.532 1.350 — — 4 length 330 100 170 70 330 thickness 1.813 1.403 70 0.975