郑州大学学报（工学版）2012，Vol.33Issue(4)：65-68,4.DOI:10.3969/j.issn.1671-6833.2012.04.015
基于显式有限元的轨道车辆撞击能量吸收研究
Researching on Impact Energy Absorption Principle of Rail Vehicles Based on the Explicit Finite Element
摘要
Abstract
Energy-absorbing device is the key component to improve the crashworthiness of the rail vehicles. This paper introduces metal cutting technology into the field of passive safety protection of rail vehicles, and proposes the use of chip generation process to absorb the impact energy of the train, and this process is to treat as the energy-absorbing principle of new energy-absorbing device. The three-dimensional simulation for the energy-absorbing process in metal-cutting way of metal thin-walled structure is carried out with explicit finite element , the inflience of tool rake angle on the absorption characteristics of thin-walled structures is analyzed, and energy-absorbing process of metal thin-walled structure in metal-cutting way is compared with the compression. The results show that; the energy-absorbing process in metal-cutting way is a very ideal impact energy absorption principle of rail vehicles.关键词
轨道车辆/切削吸能/显式有限元/吸能装置/吸能原理Key words
rail vehicle / energy-absorbing in cutting/ explicit finite element/ energy-absorbing device / energy absorption principle分类
信息技术与安全科学引用本文复制引用
雷成,肖守讷,罗世辉..基于显式有限元的轨道车辆撞击能量吸收研究[J].郑州大学学报（工学版）,2012,33(4):65-68,4.基金项目
"十一五"国家科技支撑计划项目(2009BAG12A04-A11) （2009BAG12A04-A11）
中央高校基本科研业务费专项基金资助项目(SWJTU09ZT23) （SWJTU09ZT23）
