中文摘要：

为获得汽车事故中人体头部冲击下风挡玻璃的吸能特性,开展一系列头模块与PVB夹层风挡玻璃在不同冲击速度（6.6～11.2 m/s）、冲击角度（60°～90°）及冲击方向下的参数化冲击试验.利用加速度传感器得到头模块在冲击过程中的加速度-时间历程曲线并分析头模块在冲击过程中的动态响应;结合高速摄像机图像分析风挡玻璃在受冲击过程中的裂纹扩展过程,研究风挡玻璃的破损形态,并与真实交通事故案例中的风挡玻璃破损形态进行对比分析.在此基础上,通过定义最大接触力、最大塑性凹陷量、头部损伤指标（Head injury criteria,HIC）、头模块损失动能、动能吸收比等吸能评价指标,系统研究了冲击速度、不同冲击方向下的冲击角度对于风挡玻璃吸能特性的影响.结果为风挡玻璃的吸能特性研究提供了必要的试验数据和重要的理论基础.

英文摘要：

Parametric dynamic experiments on various impact velocities （6.6-11.2 m/s）, angles （60° -90° ）, directions are performed to obtain the energy characteristics of windshield under headform impact. Dynamic response of headform is systematically analyzed via the acceleration-time curve obtained by acceleration sensor. High-speed camera is employed to capture and analyze the crack propagation process. Macro damage morphology of windshield is discussed, and compared with it in real accident. With the definition of maximum contact force, maximum plastic hollow, head injury criteria, loss of headform kinetic energy and kinetic absorption ratio, the energy absorption characteristics of windshield under above mentioned parametric experiments are investigated. Experiment results may provide fundamental data and theoretical base for future research.