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Crashworthiness enhancement of a composite intensive, multimaterial fully-electric urban car

机译：Crashworthess改进复合密集型多国全电城市汽车

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摘要

The purpose of this study is to present the activities carried out with the aim to obtain the best-in-class rating (following Euro NCAP protocols) of a subcompact urban electric car, BEHICLE, featuring a composite intensive, multimaterial body-in-white that allows for a total car weight below 600 kg. Light weighting is ensured via reinforced composite panels, aluminium greenhouse, and energy absorbing thermoplastic composites distributed along the entire bodywork, mechanically joined to form a solid structure. In order to ensure adult occupant protection, apart from a carefully designed passenger compartment, two complementary strategies have been followed: on the one hand, the design of an efficient frontal and lateral crumple zone, taking advantage of the energy absorbing capability of thermoplastic composites; on the other hand, a full set of passive restraint systems has been dimensioned and implemented, consisting of a driver airbag, side and curtain airbags, and a four-point belt system for the front centred occupant. The entire iterative development process has been conducted using CAE tools in an effort to minimize costs, allowing for both full vehicle and sled system virtual testing and analysis.
机译：本研究的目的是展示活动所进行的，旨在获得子组件城市电动汽车，Behicle的最佳评级（欧洲NCAP协议），具有复合密集型，多层身的白色这允许总汽车重量低于600千克。通过加强复合板，铝温室和能量吸收热塑性复合材料沿着整个车身分布，可确保轻度加权，机械连接以形成固体结构。为了确保成人乘员保护，除了精心设计的乘客舱外，还采用了两个互补策略：一方面，采用热塑性复合材料的能量吸收能力，设计了一种有效的正面和横向褶皱区;另一方面，一整套被动约束系统已经尺寸和实施，由驾驶员气囊，侧面和窗帘气囊以及用于前方乘员的四点带系统组成。整个迭代开发过程已经使用CAE工具进行，以尽量减少成本，允许全车辆和滑雪系统虚拟测试和分析。

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