中型客车前保险杠轻量化材料研究

2016 Eighth International Conference on Measuring Technology and Mechatronics Automation (ICMTMA) Pub Date : 2016-03-11 DOI:10.1109/ICMTMA.2016.133

Youming Tang, Ting Wang, Qingxin Xue, Na Lv, Weifeng Tan

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引用次数: 0

摘要

为了比较中型客车铝合金保险杠与钢制保险杠在轻量化和碰撞安全性方面的优劣，基于中国法规GB11551-2014《乘用车正面碰撞事故中乘员的保护》，利用LS-DYNA 3D三维显式有限元分析软件，建立了客车正面碰撞与刚性壁100%重叠的数值模拟模型。研究了碰撞箱反作用力、驾驶室完整性和车身质心加速度三个试验参数。结果表明:与钢制保险杠相比，铝合金保险杠系统的质量降低了60%，具有更好的吸收碰撞力曲线和车身耐撞性，但驾驶室的完整性变差;

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Research on Lightweight Material of FrontalBumper for Midsize Coach

To estimate the aluminum-alloy bumper compared to steel bumper in lightweight and crash safety of midsize coach, a numerical simulation model of coach 100% overlap frontal crash with rigid wall was established by using three dimensional explicit finite element analysis software LS-DYNA 3D, based on China's regulation GB11551-2014 "The protection of the occupants in the event of a frontal collision for passenger car". Three testing parameters were studied, included the reactive force of crash-box, the drive cab integrity and the acceleration of the coach mass center. The results show that: comparing steel bumper, the mass of aluminum-alloy bumper system is decreased 60%, while the system has better absorption crash force curves and crashworthiness of coach body, but the drive cab integrity has become worse.

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来源期刊

2016 Eighth International Conference on Measuring Technology and Mechatronics Automation (ICMTMA)

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