SUBFRAME STRUCTURAL STRENGTH AND MODAL ANALYSIS OF A CAR AND STRUCTURE MODIFICATION

PAN Yu

doi:10.16579/j.issn.1001.9669.2017.06.039

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SUBFRAME STRUCTURAL STRENGTH AND MODAL ANALYSIS OF A CAR AND STRUCTURE MODIFICATION

更新时间：2022-09-22

- SUBFRAME STRUCTURAL STRENGTH AND MODAL ANALYSIS OF A CAR AND STRUCTURE MODIFICATION
- Journal of Mechanical Strength Vol. 39, Issue 6, Pages: 1490-1494(2017)
- 作者机构：
  
  1. 广西科技大学鹿山学院
- 作者简介：
- 基金信息：
- DOI：10.16579/j.issn.1001.9669.2017.06.039
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PAN Yu. SUBFRAME STRUCTURAL STRENGTH AND MODAL ANALYSIS OF A CAR AND STRUCTURE MODIFICATION. [J]. 39(6):1490-1494(2017)
DOI：

PAN Yu. SUBFRAME STRUCTURAL STRENGTH AND MODAL ANALYSIS OF A CAR AND STRUCTURE MODIFICATION. [J]. 39(6):1490-1494(2017) DOI： 10.16579/j.issn.1001.9669.2017.06.039.

摘要

针对某车型副车架在台架试验过程中出现开裂问题,采用有限元分析软件Hypermesh建立副车架有限元模型,分析了其强度和模态,结果发现疲劳试验时车架开裂的位置与有限元分析的基本相同,并提出结构改进措施,改进后的副车架有限元分析应力明显降低且通过了疲劳台架试验。

Abstract

For a vehicle subframe appear crack problem in rig test process,using finite element analysis software Hyper Mesh establish the finite element model,of subframe,it analysis the strength and modal of subframe,and finite element analysis results are verified by fatigue bench test,results showed that cracking position is basically the same with finite element analysis,and put forward some improvement methods,stress of the improved subframe decreased significantly and the subframe completes the fatigue rig test.

关键词

副车架有限元法台架试验结构改进

Keywords

SubframeFEMRig testSructure modification

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