RESEARCH ON DOOR LIGHTWEIGHT BASED ON MODAL AND STIFFNESS

LIU Feng; ZHANG RuiQian; CHEN Yong

doi:10.16579/j.issn.1001.9669.2021.02.033

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RESEARCH ON DOOR LIGHTWEIGHT BASED ON MODAL AND STIFFNESS

更新时间：2022-09-22

- RESEARCH ON DOOR LIGHTWEIGHT BASED ON MODAL AND STIFFNESS
- Journal of Mechanical Strength Vol. 43, Issue 2, Pages: 476-481(2021)
- 作者机构：
  
  1. 北京信息科技大学机电工程学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2021.02.033
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LIU Feng, ZHANG RuiQian, CHEN Yong. RESEARCH ON DOOR LIGHTWEIGHT BASED ON MODAL AND STIFFNESS. [J]. 43(2):476-481(2021)
DOI：

LIU Feng, ZHANG RuiQian, CHEN Yong. RESEARCH ON DOOR LIGHTWEIGHT BASED ON MODAL AND STIFFNESS. [J]. 43(2):476-481(2021) DOI： 10.16579/j.issn.1001.9669.2021.02.033.

摘要

以某车型左前车门为对象,将拼焊板与自适应响应面法相结合的方式应用于车门部件厚度优化进行轻量化研究。在Hyperworks中建立车门有限元模型,并对其进行模态、刚度分析。利用Hypermesh共节点模型模拟激光拼焊技术,将原点焊车门内板前、后部采用拼焊板方式连接进行优化设计。通过灵敏度分析,选取部分板件在HyperStudy中采用自适应响应面法对车门进行优化设计。优化后的车门相对原车门质量下降了6.01%。并对优化后的车门重新进行模态和刚度分析,验证了拼焊板和HyperStudy优化方法对车门轻量化研究方法的可行性。

Abstract

Taking the left-front door of a certain vehicle as an object,the method of combining the welding plate and the adaptive response surface method（ ARSM） was applied to optimization of the thickness of door parts for lightweight research. The finite element model was established in Hyperworks and its modal and stiffness were analyzed. Then Hypermesh common-node model was used to simulate the laser tailor-welded technology,the front and rear parts of the original spot-welding door inner plate were connected by tailor-welded blank（ TWB） for optimal design. Through sensitivity analysis,some parts were selected to use adaptive response surface method in the Hyper Study for optimal design. The quality of the optimized door decreased by 6. 01%compared with the original ones. The modal and stiffness of the optimized door structure were analyzed again,The feasibility of TWB and Hyper Study optimization method to door lightweight research was verified.

关键词

模态刚度拼焊板自适应响应面法轻量化

Keywords

ModalStiffnessTailored-welded blankAdaptive response surface methodLightweight

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