SENSITIVITY ANALYSIS AND LIGHTWEIGHT DESIGN OF AN AUTOMOBILE SLIDING DOOR

TIAN YongKang; GONG YunXi; ZOU Ping; HUANG DaWei; FU AiJun

doi:10.16579/j.issn.1001.9669.2024.01.016

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SENSITIVITY ANALYSIS AND LIGHTWEIGHT DESIGN OF AN AUTOMOBILE SLIDING DOOR

更新时间：2024-04-18

- SENSITIVITY ANALYSIS AND LIGHTWEIGHT DESIGN OF AN AUTOMOBILE SLIDING DOOR
- Journal of Mechanical Strength Vol. 46, Issue 1, Pages: 122-128(2024)
- 作者机构：
  
  1. 广西科技大学机械与汽车工程学院
  2. 柳州五菱汽车工业有限公司
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2024.01.016
  CLC： U463.834
- Published：15 February 2024，
- 稿件说明：
移动端阅览
TIAN YongKang, GONG YunXi, ZOU Ping, et al. SENSITIVITY ANALYSIS AND LIGHTWEIGHT DESIGN OF AN AUTOMOBILE SLIDING DOOR. [J]. Journal of Mechanical Strength 46(1):122-128(2024)
DOI：

TIAN YongKang, GONG YunXi, ZOU Ping, et al. SENSITIVITY ANALYSIS AND LIGHTWEIGHT DESIGN OF AN AUTOMOBILE SLIDING DOOR. [J]. Journal of Mechanical Strength 46(1):122-128(2024) DOI： 10.16579/j.issn.1001.9669.2024.01.016.

摘要

针对某型汽车滑移门为研究对象，建立以该模态频率及刚度的滑移门综合有限元模型，通过灵敏度分析筛选出相对灵敏度较小的部件作为设计变量，采用哈默斯雷采样试验设计方法对关键部件板厚进行样本试验设计，对计算结果使用 Hyper-Kriging 响应面拟合算法，拟合该滑移门质量、1阶弯曲模态频率、1阶扭转模态频率、扭转刚度、垂向刚度响应的近似模型。在近似模型基础上，以质量最小为主要目标、1阶弯曲频率最大为参考目标，以滑移门扭转刚度和垂向刚度1阶扭转频率为约束，应用 Hyperstudy中基于全局响应面法的多目标优化算法进行优化设计，使其实现轻量化目的。

Abstract

Aiming at the sliding door of an automobile as the research object

a comprehensive finite element model of the sliding door based on the modal frequency and stiffness is established. The components with relatively small sensitivity are selected as the design variables through sensitivity analysis. The sample data of the thickness of key components are designed by using the Hamersley sampling test design method. The calculation results are fitted with the sliding door mass

first-order bending modal frequency. Approximate model of first-order torsional modal frequency

torsional stiffness and vertical stiffness response. Based on the approximate model

taking the minimum mass as the main objective and the maximum first-order bending frequency as the reference objective

and taking the first-order torsional mode of sliding door torsional stiffness and vertical stiffness as constraints

the multi-objective optimization algorithm based on global response surface method in Hyperstudy is applied to optimize the design to achieve the purpose of lightweight.

关键词

滑移门灵敏度分析试验设计响应面多目标优化

Keywords

Sliding doorSensitivity analysisTest designResponse surfaceMulti objective optimization

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