重庆理工大学学报：自然科学2012，Vol.26Issue(6)：1-7,7.
铝合金保险杠吸能盒碰撞吸能特性
A Research on the Impact Energy-absorbing Capacity of the Aluminum Alloy Energy-absorbing Box of the Bumper
摘要
Abstract
In order to improve the vehicle bumper energy-absorbing characteristics of the vehicle alu- minum crash box and realize the lightweight design, the finite element model of the aluminum crash box was built. The crash simulation was carried out based on the software Ls-DYNA. The energy-ab- sorbing characteristics between five different cross-sectional shapes of the single cavity of aluminum al- loy energy studied in -absorbing box and four kinds of multiple-cavity aluminum alloy energy-absorbing box was Contrasts. The thickness of the energy-absorbing box on the influence of energy-absorbing characteristics were discussed. The study results showed that the energy-absorbing box with cross-sec- tion of octagonal shape has the best energy-absorption ability in the five kinds of single cavity struc- tures. The multiple-cavity energy-absorbing box has better performance than the single cavity structure in energy absorbing characteristics. Within a certain range, and along with the increase in thickness of the energy-absorbing box, energy absorption and specific energy absorption increases significantly.关键词
保险杠/吸能盒/吸能特性/铝合金Key words
bumper/energy-absorbing box/impact energy-absorbing performance/aluminum alloy分类
交通工程引用本文复制引用
米林,魏显坤,万鑫铭,夏铭..铝合金保险杠吸能盒碰撞吸能特性[J].重庆理工大学学报：自然科学,2012,26(6):1-7,7.基金项目
汽车车身先进设计制造国家重点实验室开放基金资助项目 （）
