耐撞性
拓扑优化
汽车工程
电动汽车
电池组
工程类
汽车工业
电动汽车
电池(电)
刚度
结构工程
拓扑(电路)
有限元法
电气工程
功率(物理)
航空航天工程
物理
量子力学
作者
Junyuan Zhang,Linan Ning,Yajiang Hao,Tao Sang
标识
DOI:10.1080/13588265.2020.1766644
摘要
Electric vehicles have become the main trend of the future development of the automotive industry due to their advantages such as energy conservation and environmental protection, strong acceleration capability, and low noise. This paper uses a volume-produced fuel passenger vehicle P5 as a prototype. Based on the given driving mode and traction battery pack layout of a battery electric vehicle (BEV) EP5, considering the static stiffness and crashworthiness simultaneously, the equivalent static load (ESL) method is used to perform multi-load topology optimization on the body-in-white (BIW) of the BEV. Then the load paths of EP5 are proposed. The front-end structures of the vehicle body are redesigned by using topology optimization and size optimization, which improve crashworthiness and fully tap the lightweight potential of EP5.
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