摘要
以纯电动客车的车身轻量化为目的,对某公司研发的中型纯电动客车车身骨架三维模型进行简化和修改,建立有限元模型。采用ANSYS软件对车身骨架进行匀速和急转弯工况下的受力仿真分析,得到该车车身骨架的应力和位移云图。以有限元分析结果为依据,选择较轻的铝合金材料取代原低合金钢材料对车身骨架进行优化。仿真分析表明:优化后的车身骨架应力和变形较原来有所降低,车身骨架质量比未优化前减少397 kg,在满足车身强度和刚度要求的同时,达到了减少车身骨架质量的目的。
To reduce the body weight of pure electric passenger car,the three-dimensional model of the body frame of a medium-sized pure electric bus developed by a company is simplified and modified to establish a finite element model.ANSYS software is used to simulate and analyze the static force under the conditions of constant speed and emergency and obtain the structural stress and displacement cloud map of the pure electric bus.Based on the results of finite element analysis,the lighter aluminum alloy material is selected to replace the original low alloy steel material to optimize the body frame.The simulation analysis shows that the stress and deformation of the optimized body frame are lower than those of the original frame and the mass of the body frame is reduced by 397 kg compared with the original body frame,which meets the requirements of body strength and stiffness and finally achieves the goal of reducing the mass of the body frame.
作者
彭娅楠
白文龙
PENG Yanan;BAI Wenlong(School of Energy and Power Engineering,Inner Mongolia University of Technology,Hohhot 010050,China)
出处
《山东交通学院学报》
CAS
2019年第3期7-12,共6页
Journal of Shandong Jiaotong University
基金
内蒙古工业大学科学研究项目(ZY201805)
关键词
纯电动客车
车身骨架
有限元
轻量化结构
pure electric bus
body frame
finite element
lightweight structure
作者简介
第一作者:彭娅楠(1989-),女,呼和浩特人,工学硕士,助教,主要研究方向为新能源,E-mail:Pengyanan1117@163.com。
