Lightweight Study of ATV Body Based on Combination of Topology and Size Optimization

卢建志; 杨世文; 李鹏; 任子清

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Lightweight Study of ATV Body Based on Combination of Topology and Size Optimization

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- Lightweight Study of ATV Body Based on Combination of Topology and Size Optimization
- 基于拓扑和尺寸组合优化的ATV车身轻量化研究
- Vol. 33, Issue 2, Pages: 141-144(2012)
- 作者机构：
  
  1. 中北大学机电工程学院
  2. 长安新能源汽车北京研发中心
  3. 国营六一六厂铸造厂
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2012
- 稿件说明：
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卢建志, 杨世文, 李鹏, et al. Lightweight Study of ATV Body Based on Combination of Topology and Size Optimization[J]. 2012, 33(2): 141-144.
DOI：

卢建志, 杨世文, 李鹏, et al. Lightweight Study of ATV Body Based on Combination of Topology and Size Optimization[J]. 2012, 33(2): 141-144. DOI：

摘要

针对车身结构在概念设计阶段出现的拓扑优化结果不连续

结构优化设计周期时间长等问题

基于optistruct优化软件

提出一种拓扑和尺寸组合优化模型.该模型可以同时进行尺寸优化和拓扑优化设计

得到车身蒙皮优化尺寸和最优的车身骨架加载路径

同时缩短了结构的概念设计阶段的设计周期.以ATV车身的结构优化设计为研究对象

对比优化前后的分析结果

在不降低结构性能的前提下优化后的结构减重105.5kg

验证了该方法的可行性.

Abstract

In order to overcome the problems of discontinuous topological optimization results and the long cycle time of carbody structure optimization in the conceptual design stage

an optimization model that combines topology and size optimization was proposed.The method can not only obtain the best size and loading paths of body frame

but also shorten the cycle time.As an example

a body structure of ATV was optimized with 105.5 kg being reduced of the structure.

关键词

Keywords

references

龙江启,兰凤崇,陈吉清.车身轻量化和钢铝一体化结构新技术的研究进展[J].机械工程学报,2008,44(6):28-35.Long Jiangqi,Lan Fengchong,Chen Jiqing.Technology of lightweight and steel-aluminum hybrid structure car body[J].Chinese Journal of Mechanical Engineering,2008,44(6):28-35.(in Chinese)

许佩霞,蔡炳芳.基于ANSYS的全地形车车架结构优化设计[J].机械设计,2008,12(25):56-58.Xu Peixia,Cai Bingfang.Structural optimization design on frame of all topography vehicle based on ANSYS[J].Journal Ofmach Ine Design,2008,12(25):56-58.(in Chinese)

朱茂桃,蔡炳芳,束荣军,等.全地形车车架结构有限元分析与轻量化设计[J].拖拉机与农用运输车,2008,35(3):47-52.Zhu Maotao,Cai Bingfan,Shu Rongjun,et al.FEA and lightweight design for ATV frame structure[J].Tmctor&Farm Transporter,2008,35(3):47-52.(in Chinese)

王栋,张卫红,姜节胜.桁架结构形状与尺寸组合优化[J].应用力学学报,2007,19(3):72-76.Wang Dong,Zhang Weihong,Jiang Jiesheng.Combined shape and sizing optimization in truss design[J].Chinese Journal of Applied Mechanics,2007,19(3):72-76.(in Chinese)

Tang P S,Chang K H.Integration of topology and shape optimization for design of structural components[J].Struct.Multidisc.Optim.,2001,22:65-82.

傅晓锦.拓扑与形状集成优化算法的关键技术研究[D].杭州:浙江工业大学,2008.

Arora J S,Haug E J.Methods of design sensitivity analysis in structural optimization[J].AIAA Journal,1979,19(9):970-974.

乐玉汉.轿车车身设计[M].北京:高等教育出版社,2000:43-44.

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