|Table of Contents|

Optimization design for crashworthiness of bumper system based on response surface methodology

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2013年03期
Page:
62-
Research Field:
Publishing date:

Info

Title:
Optimization design for crashworthiness of bumper system based on response surface methodology
Author(s):
Wang Xianhui1Zhang Kun2Lu Xianfeng1Wu Xu1Wei Ran1
1.School of Mechanical Engineering,NUST,Nanjing 210094,China; 2.Automobile Engineering Research Institute,Shanxi Heavy Duty Automobile Co.,Ltd.,Xi'an 710200,China
Keywords:
response surface methodology bumper systems crashworthiness finite element method least square method sequential quadratic programming method
PACS:
U463.326
DOI:
-
Abstract:
In order to improve the crashworthiness of a bumper system,an optimization design method is proposed here.Design points are selected according to an experimental design scheme with rotatable quadratic regression composition,and experimental data are obtained from these selected design points by using the least square method.The high-accuracy response surfaces of the rigid plates'maximum displacement,crash peak forces and total masses are built by using the finite element method.Taking the range of components'thickness,safety and requirement of light weight into consideration,the sequential quadratic programming method is used to optimize these response surfaces,producing a group of optimal values.The results show that only 17 runs are needed and the relative error is within 5%.

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Last Update: 2013-03-25