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Numerical Simulation of Side Impact Crashes

机译:侧面碰撞碰撞的数值模拟

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摘要

Side impact collisions are the second most frequent cause of serious motor vehicle accidents after frontal impact. To reduce the severity of human injury through improved automobile design and designing protection devices, the dynamic response and injury of occupants in collisions must be analyzed. This study investigates the development and validation of a vehicle, movable barrier and dummy FEM model for studying interaction. Based on the Federal Motor Vehicle Safety Standard No. 214 (FMVSS214), the numerical crash test model was developed to simulate a side impact accident. The crash simulations were conducted using the LS-DYNA finite element code. The numerical models were found to be able to predict the severity of the driver's injury in impacts. The proposed methodologies can then be used to study the dynamic behavior of occupants and analyze injuries in side impact accidents. Moreover, the simulated models obtained herein give design guidelines for the vehicular structure and safety equipment needed to protect occupants.
机译:在正面碰撞之后,侧面碰撞是发生严重汽车事故的第二大常见原因。为了通过改进的汽车设计和保护装置来减轻人身伤害的严重性,必须分析碰撞中乘员的动态响应和伤害。本研究调查了用于研究相互作用的车辆,可移动障碍物和虚拟有限元模型的开发和验证。基于214号联邦机动车安全标准(FMVSS214),开发了数字碰撞试验模型来模拟侧面碰撞事故。碰撞模拟是使用LS-DYNA有限元代码进行的。发现数值模型能够预测驾驶员在撞击中受伤的严重程度。然后,所提出的方法可用于研究乘员的动态行为并分析侧面碰撞事故中的伤害。此外,本文获得的模拟模型为保护乘员所需的车辆结构和安全设备提供了设计指南。

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