中文核心期刊
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中国科技核心期刊
RCCSE中国核心学术期刊
重庆交通大学学报（自然科学版）

重庆交通大学学报（自然科学版） ›› 2013, Vol. 32 ›› Issue (6): 1267-1269.DOI: 10.3969/j.issn.1674-0696.2013.06.37

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客车车身的有限元模态及谐晌应分析

付长虎，刘红光，陆森林   

  1. 江苏大学汽车与交通工程学院，江苏 镇江 212013
  • 收稿日期:2012-10-24 修回日期:2012-11-20 出版日期:2013-12-15 发布日期:2015-01-22
  • 作者简介:付长虎(1986—).男，山东德州人，硕士，主要从事振动与噪声的控制方面的工作。E-mail:624091681@qq.com。

Finite Element Modal and Harmonic Analysis of Bus Body

Fu Changhu , Liu Hongguang, Lu Senglin   

  1. School of Automobile & Traffic Engineering , Jiangsu University , Zhenjiang 212013 , Jiangsu , China
  • Received:2012-10-24 Revised:2012-11-20 Online:2013-12-15 Published:2015-01-22

摘要： 根据某轻型客车车身形状建立有限元模型并进行模态分析.得到了罔有频率及振型;并实验验证了模型的正 确性。进行了谐响应分析，得到车身关键点的振动响应c根据模态及谐响应分析结果，得出了车身的主要振动部位 以及振动的主要频率。提出了降低车身振动的改进措施。

关键词: 客车, 有限元, 模态分析, 谐响应分析

Abstract: The finite element model of a light bus was established and then the modal analysis was carried out. The natural frequency and vibration mode were also obtained. Furthermore , the accuracy of model was verified through the experiment The harmonic response analysis was done and the vibration responses of the key points of the bus body were got. According to the modal and harmonic response analysis results , the main vibration parts and vibration frequency were obtained. At last , some improvement suggestions were proposed to reduce the vibration of the bus body.

Key words: bus, finite element, modal analysis, harmonic response analysis

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