摘要
为了研究和改善车门耐撞性,参考E-NCAP的柱状碰撞试验,建立了某车型的车门三维模型,并运用Hyper Works和LS-DYNA对其进行联合碰撞仿真.对比了不同材料应变率,防侧撞梁的不同截面形状、不同安装位置和数量下的车门耐撞性.得出结论,材料应变率参数为C40P6,防侧撞梁截面形状为半圆形,安装位置为斜置时的车门的耐撞性较好.同时,加装一根防侧撞梁使得内板侵入量减小了11%以上,可有效改善车门耐撞性.
In order to study and improve the door＇s crashworthiness,this paper establishes a three-dimensional model of a car door and performs a joint impact simulation by Hyper Works and LS-DYNA,according to columnar crash test of E-NCAP.This paper compares the car＇s crashworthiness under different material strain rates of a door,different sectional shapes,different mounting positions and different numbers of side-impact beams.Some conclusions are drawn：when the material strain rate parameter is C40P6 and the sectional shape of side-impact beams is semicircular and its mounting position is skew,the door＇s crashworthiness is better.Meanwhile,the installation of a side-impact beam would reduce the deformation displacement of inner board by over 11%,which thus can effectively improve the door＇s crashworthiness.
出处
《武汉理工大学学报（交通科学与工程版）》
2016年第2期275-279,共5页
Journal of Wuhan University of Technology（Transportation Science & Engineering）
关键词
被动安全
有限元仿真
耐撞性
优化
passive safety
finite element simulation
crashworthiness
optimization
