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非承载式SUV白车身结构分析及优化
投稿时间:2017-02-06  修订日期:2017-03-24  点此下载全文
引用本文:韩红阳,陈有松,徐颖,王树英.非承载式SUV白车身结构分析及优化[J].计算机辅助工程,2017,26(2):27-31.
作者单位E-mail
韩红阳 上汽集团商用车技术中心 整车集成部 hanjixing@foxmail.com 
陈有松 上汽集团商用车技术中心 整车集成部  
徐颖 上汽集团商用车技术中心 整车集成部  
王树英 上汽集团商用车技术中心 整车集成部  
中文摘要:以某全新开发的SUV非承载式车身为研究对象,建立V91车身有限元模型,并进行模态分析.为使车身1阶模态满足目标值要求,对车身进行灵敏度分析和截面刚度分析,并提出改进方案.经过优化,车身的1阶弯曲模态提升7.8%,1阶扭转模态提升25.7%.研究结果可为企业研发非承载式SUV车身提供参考.
中文关键词:白车身  弯曲刚度  扭转刚度  断面刚度  灵敏度分析  模态频率
 
Body-in-white structure analysis and optimization on body-on-frame type of SUV
Abstract:Taking a new design of the body of body on frame type of SUV for the research example, the finite element model is built for V91 body and the modal analysis is performed on it. To make the first order mode meet the requirement of target value, the sensitivity and cross section stiffness is analyzed and an improvement scheme is proposed. By optimization, the first order bending mode of vehicle body is increased by 7.8% and the first order torsion mode is increased by 25.7%. The research results can provide reference for enterprise to develop body of body on frame type of SUV.
keywords:body-in-white  bending stiffness  torsion stiffness  cross section stiffness  sensitivity analysis  modal frequency
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