车身NVH性能设计策略  

Body NVH Performance Design Strategy

作　　者：谢贵山 赵肖斌 黄宗斌 覃鹏飞 陈涛[2] 劳兵 XIE Gui-shan;ZHAO Xiao-bin;HUANG Zong-bin;QIN Peng-fei;CHEN Tao;LAO Bing(SAIC GM Wuling Automobile Co.,Ltd.,Liuzhou 545007,China;State Key Laboratory of Advanced Design and Manufacture for Vehicle Body,Hunan University,Changsha 410082,China)

机构地区：[1]上汽通用五菱汽车股份有限公司,柳州545007 [2]湖南大学汽车车身先进设计制造国家重点实验室,长沙410082

出　　处：《科学技术与工程》2022年第36期16229-16237,共9页Science Technology and Engineering

基　　金：国家自然科学基金(51505139);汽车车身先进设计制造国家重点实验室开放基金(31525009);柳州市科技计划项目(2021AAA0103)。

摘　　要：汽车噪声、振动、平顺性(noise vibration harshness,NVH)性能是影响汽车质量和品质的关键因素,是汽车研发人员重点关注的性能指标。为此,提出了汽车产品开发过程的车身NVH性能设计策略。通过车身结构设计、阻尼设计、密封设计、阻隔设计、补强设计、吸声设计、隔声设计、低风噪设计方法实现NVH性能提升。结果表明,所提出的车身系统设计策略有效提高了车身NVH性能,该策略为汽车的NVH设计提供参考方案。Automobile noise vibration harshness(NVH)performance is a key factor affecting the quality and quality of automobiles,and it is the performance index that automobile research and development personnel focus on.To this end,a design strategy for vehicle body NVH performance in the process of automotive product development was proposed.NVH performance was improved through body structure design,damping design,sealing design,barrier design,reinforcement design,sound absorption design,sound insulation design and low wind noise design.The results show that the proposed body system design strategy can effectively improve the NVH performance of the body,which provides a reference scheme for the NVH design of automobiles.

关 键 词：车身结构 噪声 振动 开发流程 噪声、振动、平顺性(NVH)提升 

分 类 号：U461.91[机械工程—车辆工程]