某驾驶室白车身模态分析  

Modal Analysis on Cab Body-in-white

作　　者：朱晓东 朱雄[2] 祝惠[2] 张代胜[2] 

机构地区：[1]江淮汽车股份公司技术中心,安徽省合肥市230601 [2]合肥工业大学机械与汽车工程学院,安徽省合肥市230009

出　　处：《农业装备与车辆工程》2013年第10期46-48,共3页Agricultural Equipment & Vehicle Engineering

摘　　要：以某轻卡驾驶室为研究对象进行自由模态试验,建立有限元模型并进行了有限元模态分析。通过模态实验结果和模态计算结果对比验证模型准确性。为避开发动机怠速激励频率,避免共振,以驾驶室部分板件厚度作为设计变量,通过尺寸优化提高驾驶室一阶模态频率。With the BIW of a cab taken as research object, the modal test was set up. The finite element model was built, the modal analysis in freedom state was reckoned with this model. The modal is confirmed accurate through the comparison between modal test and modal calculation. In order to avoid coupling with the frequency of engine idling, the frequency of first order is raised through size optimization with the plate thickness of the driver＇s cab as design variant.

关 键 词：白车身 有限元 模态试验 尺寸优化 

分 类 号：U463.81[机械工程—车辆工程]