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为了解决传统交通仿真无法精确反映交通事故过程中汽车材料大变形、非线性特征的问题,利用有限元分析软件ANSYS/LS-DYNA,对道路交通事故中两车正面碰撞的情况进行了有限元仿真研究。通过调查,选用捷达牌轿车与松花江面包车作为正面碰撞的典型车型,基于大型有限元软件ANSYS平台,建立简化的两车模型。针对发生在黑龙江省某公路上一起捷达轿车与松花江面包车正面碰撞的交通事故进行了有限元仿真,得到了碰撞后的能量-时间曲线、速度-时间曲线和变形仿真图,仿真结果与实际情况基本符合。分析结果表明利用有限元方法进行交通事故仿真具有可行性,并为交通事故仿真中的变形仿真做了补充。
In order to solve the problem that the traditional traffic simulation can not accurately reflect the large deformation and non-linear characteristics of automobile materials during the traffic accident, finite element simulation software ANSYS / LS-DYNA is used to simulate the frontal collision between two vehicles in road traffic accidents. the study. Through the investigation and selection of Jetta Sedan and Songhuajiang van as the typical frontal collision models, a simplified two-car model was established based on the large finite element software ANSYS platform. A finite element simulation of a traffic accident occurred in a frontal collision between a Jetta and a Songhuajiang van on a highway in Heilongjiang Province was carried out. The energy-time curve, speed-time curve and deformation simulation after the collision were obtained. The simulation results and the actual situation Basically consistent. The analysis results show that it is feasible to use FEM to simulate traffic accidents and complement the deformation simulation in traffic accident simulation.