杜邦集团与英国D30公司签订长期战略协议，合作开发新型多用途塑料防护材料。这种产品暂名为“杜邦Hytrel加强型D30”（D30powered by DuPont Hytrel），是一种新材料，目标用途为工业保护、工装和电子产品市场。D30有独特的专利和专有...杜邦集团与英国D30公司签订长期战略协议，合作开发新型多用途塑料防护材料。这种产品暂名为“杜邦Hytrel加强型D30”（D30powered by DuPont Hytrel），是一种新材料，目标用途为工业保护、工装和电子产品市场。D30有独特的专利和专有技术，用于生产对速度敏感、柔软、易弯曲的亮橙色材料，这种材料减振性能高，可用于制造防碰撞保护产品。展开更多
An EMU train with detailed cabin structural is established based on the finite element method.The secondary impact between train driver and control desk is fully analysed and two measures are proposed to reduce the dr...An EMU train with detailed cabin structural is established based on the finite element method.The secondary impact between train driver and control desk is fully analysed and two measures are proposed to reduce the driver injury severity,such as the multi-objective optimization of the driver seat position and equipping the train with three-point seat belt.Simulation results indicate that the driver seat position has a significant effect on the driver injury severity during a secondary impact.According to the multi-objective optimization,some Pareto solutions are suggested to design the driver seat position.Besides that,it is also indicated although the chest and leg are well protected when the driver wears a two-point seat belt,it increases the head injure during a secondary impact.On the other hand,the three-point seat belt can supply the train driver with an overall protection against the secondary impact.The injury criteria(HIC,VC,TI)of the driver with the three-point seat belt is significantly lower than those of the driver without seat belt.Moreover,according to the simulation analysis,the limited load of the three-point seat belt is suggested about 1.5 kN.展开更多
文摘杜邦集团与英国D30公司签订长期战略协议，合作开发新型多用途塑料防护材料。这种产品暂名为“杜邦Hytrel加强型D30”（D30powered by DuPont Hytrel），是一种新材料，目标用途为工业保护、工装和电子产品市场。D30有独特的专利和专有技术，用于生产对速度敏感、柔软、易弯曲的亮橙色材料，这种材料减振性能高，可用于制造防碰撞保护产品。
基金Project(51805374) supported by the National Natural Science Foundation of ChinaProject(22120180531) supported by the Fundamental Research Funds for the Central Universities,ChinaProject(16PJ1409500) supported by the Shanghai Pujiang Program,China
文摘An EMU train with detailed cabin structural is established based on the finite element method.The secondary impact between train driver and control desk is fully analysed and two measures are proposed to reduce the driver injury severity,such as the multi-objective optimization of the driver seat position and equipping the train with three-point seat belt.Simulation results indicate that the driver seat position has a significant effect on the driver injury severity during a secondary impact.According to the multi-objective optimization,some Pareto solutions are suggested to design the driver seat position.Besides that,it is also indicated although the chest and leg are well protected when the driver wears a two-point seat belt,it increases the head injure during a secondary impact.On the other hand,the three-point seat belt can supply the train driver with an overall protection against the secondary impact.The injury criteria(HIC,VC,TI)of the driver with the three-point seat belt is significantly lower than those of the driver without seat belt.Moreover,according to the simulation analysis,the limited load of the three-point seat belt is suggested about 1.5 kN.
