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8 基于经验设计方案的曲线过渡型轧制结构的几何参数

Table 8 Geometry parameters oftop-hat beam with curve majored transition section proposed based on deformation mode

Structure Geometry h,hl 14/ h,hl Isl h, hi label parameter mm mm mm mm mm 0 length — — — — — thickness 1.4 1.4 5 length 600 100 300 — — thickness 2.5 0.8 6 length 450 100 450 — — thickness 2.0 0.8 7 length 120 100 410 100 270 thickness 2.5 1.4 0.8 8 length 270 100 260 100 270 thickness 2.0 1.4 0.8 9 length 300 60 640 — — thickness 1.8 1.2 10 length 150 40 490 10 310 thickness 1.8 1.388 1.2