汽车吸能盒多胞结构低速碰撞仿真分析  

Simulation and Analysis of Low-speed Collision of Multi-cellular Structure of Automobile Energy-absorbing Box

作　　者：李民辉 王鹏飞 曾万海 李辉 梁宽 Li Min-hui;Wang Peng-fei;Zeng Wan-hai;Li Hui;Liang Kuan(School of Mechanical and Vehicle Engineering,Bengbu University,Anhui Bengbu 233030)

机构地区：[1]蚌埠学院机械与车辆工程学院,安徽蚌埠233030

出　　处：《内燃机与配件》2025年第4期10-12,共3页Internal Combustion Engine & Parts

基　　金：蚌埠学院自然科学研究重点项目(2024ZR01zd);安徽省大学生创新创业计划训练项目(S202311305107)。

摘　　要：汽车碰撞事故大多发生在低速工况下,吸能盒能有效吸收碰撞能量,保护车辆和乘员安全。为提高吸能盒耐撞性能,设计了8种六边形和矩形吸能盒多胞结构,使用ABAQUS软件模拟分析低速碰撞过程,研究吸能盒多胞结构的截面、胞数等参数对吸能盒低速耐撞性能的影响。研究表明,随着胞数增加,六边形吸能盒的总吸能、平均压缩力和峰值压缩力逐渐增大,比吸能和压缩力效率先增大后减小;而矩形吸能盒的各项耐撞性评价指标均逐渐增大。R4吸能盒多胞结构低速耐撞性能最佳。Most of the automobile collisions occur in low-speed conditions,energy-absorbing boxes can effectively absorb the collision energy to protect the safety of vehicles and passengers.In order to improve the crashworthiness of the energy-absorbing box,eight hexagonal and rectangular energy-absorbing box multi-cell structures were designed,and the low-speed collision process was simulated and analyzed by using the ABAQUS software to study the effects of the cross-section and cell number of energy-absorbing box multi-cell structures on the low-speed crashworthiness of the energy-absorbing box.It is shown that with the increase of the number of cells,the total absorption energy,average compression force and peak compression force of the hexagonal box gradually increase,and the efficiency of the specific absorption energy and compression force firstly increases and then decreases,while all the evaluation indexes of the crashworthiness of the rectangular box gradually increase.The best low-speed crashworthiness is achieved by the multi-cell structure of the R4 box.

关 键 词：汽车吸能盒 多胞结构 低速碰撞仿真 耐撞性 

分 类 号：U461.91[机械工程—车辆工程]