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

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

Zeqi Tong^*,Yang Liu^†,Shutian Liu^*

图9. 帽型梁结构厚度分布的几何参数与有限元处理

Fig.9. Geometry parameters of the top-hat beam and the finite element in the transition section