期刊论文

Simulation and optimization design of service performace of vehicle aluminum alloy front anti-collision beam

中文

塑性工程学报

1007-2012

2023

30

07

159-166

10.3969/j.issn.1007-2012.2023.07.021

国家自然科学基金资助项目(52075159) 江西省自然科学基金资助项目(20224ACB218002) 江西省***高技能领导人才培养工程项目 江西省高层湖南省自然科学基金资助项目(2022JJ30019) 江西省虚拟现实关键应用技术攻关(揭榜挂帅)项目(20220173) 省部共建特色金属材料与组合结构全寿命安全国家重点实验室开放基金资助项目(2022GXYSOF24)。

本校为其他机构

以壁厚为设计变量，以碰撞安全性能优于原钢制横梁为设计约束，采用遗传算法开展了铝合金前防撞横梁设计及多目标优化。结果表明，在100%和40%重叠刚性墙低速碰撞工况下，原钢制前防撞横梁的碰撞支反力峰值、最大碰撞侵入位移和最大有效塑性应变分别为29.25和24.29 kN、36.84和39.80 mm以及0.30和0.21,存在开裂风险。总质量、最大碰撞侵入位移和碰撞支反力峰值响应对铝合金前防撞横梁后端面和前端面的壁厚变化较为敏感，而最大有效塑性应变响应则对垂向加强筋和横向加强筋的壁厚变化较为敏感。在100%和40%重叠刚性墙低速碰撞工况下，Pareto最优解的各项性能较原钢制前防撞横梁均有不同程度提升，...

Taking the wall thickness as the design variable and the collision safety performance better than that of raw steel beam as the design constraint,the design and multi-objective optimization of aluminum alloy front anti-collision beam were carried out by genetic algorith...MORE Taking the wall thickness as the design variable and the collision safety performance better than that of raw steel beam as the design constraint,the design and multi-objective optimization of aluminum alloy front anti-collision beam were carried out by genetic algorithm.The results show that,under the low-speed collisio...