Research on Layout of Weld Lines and Size Optimization for TWB Doors

China Mechanical Engineering ›› 2013, Vol. 24 ›› Issue (1): 103-109.

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Research on Layout of Weld Lines and Size Optimization for TWB Doors

Chen Gangqiang1;Li Guangyao1;Sun Guangyong1,2;Guo Ruiquan3

1.State Key Laboratory of Advanced Design and Manufacture for Vehicle Body,Hunan University,Changsha,410082
2.State Key Laboratory of Vehicle NVH and Safety Technology, Chongqing, 400039 3.Baosteel Group Corporation Ltd.,Shanghai, 201900

Online:2013-01-10 Published:2013-01-23
Supported by:

National Program on Key Basic Research Project (973 Program)（No. 2010CB328005）

拼焊板车门焊缝布置与尺寸优化设计方法研究

陈刚强1;李光耀1;孙光永1,2;郭瑞泉3

1.湖南大学汽车车身先进设计制造国家重点实验室,长沙,410082
2.汽车噪声振动和安全技术国家重点实验室,重庆,400039
3.宝山钢铁股份有限公司,上海,201900

基金资助:
国家重点基础研究发展计划(973计划)资助项目(2010CB328005)；江苏省道路运载工具新技术应用重点实验室开放基金资助项目（BM2008206007）；汽车噪声振动和安全技术国家重点实验室2010年度开放基金资助项目(NVHSKL-201002)
National Program on Key Basic Research Project (973 Program)（No. 2010CB328005）

Abstract

Abstract:

In traditional design process, people always determine the location of weld lines of TWB parts by their personal experience or by a lot of trial and error design, leading the performance of TWB can not be brought into full play. So, in order to improve the design of TWB parts,a new method for the design of TWB parts was generated and applied to improve the stiffness of the car, lighten the total weight by 125%, which was based on bi-directional evolutionary structural optimization, sensitivity analysis method and size optimization. The proposed method can obtain a good optimization results to improve the projects to a certain extent, it promotes the development of China's automobile industry. 

Key words: tailor welded blank(TWB), weld line, BESO topology optimiation, size optimization, lightweight

摘要：

传统拼焊板零件的焊缝线位置的确定是依靠工程经验来进行试错设计的,导致拼焊板的性能得不到充分的发挥。为了提高拼焊板零件的设计水平,集成双向渐进结构优化方法、灵敏性分析方法和尺寸优化方法,提出一套拼焊板零件设计的新方法。应用新方法进行了车门拼焊板系统的设计研究,研究结果表明,在保证拼焊板车门各种刚度性能要求指标下,车门系统减重125%。新方法能有效提高拼焊板零件的设计水平,一定程度上促进我国汽车工业的发展。

关键词: 拼焊板, 焊缝线, BESO拓扑优化, 尺寸优化, 轻量化

CLC Number:

CHEN Gang-Jiang-1, LI Guang-Yao-1, SUN Guang-Yong-1, 2, GUO Rui-Quan-3. Research on Layout of Weld Lines and Size Optimization for TWB Doors[J]. China Mechanical Engineering, 2013, 24(1): 103-109.

陈刚强1, 李光耀1, 孙光永1, 2, 郭瑞泉3. 拼焊板车门焊缝布置与尺寸优化设计方法研究[J]. 中国机械工程, 2013, 24(1): 103-109.

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Research on Layout of Weld Lines and Size Optimization for TWB Doors

拼焊板车门焊缝布置与尺寸优化设计方法研究

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