基于SIMO某军用运输车车架底板结构模态试验及分析  

Based on SIMO Modal Experiment and Analysis on Frame and Bottom-board of Military transport Vehicle

作　　者：傅立标[1] 胡明枢[2] 姚军刚[3] 

机构地区：[1]中国电子科技集团公司第五十四研究所 [2]中国人民解放军75120部队 [3]中国人民解放军66077部队

出　　处：《科学技术与工程》2008年第23期6421-6423,6440,共4页Science Technology and Engineering

摘　　要：基于单点激振多输出(SIMO)试验模态法(EMA)原理对某型弹药运输试验跑车车架底板及其连接部分进行动态特性试验,提取模态参数和特征向量,并进行模态参数识别和各阶振型分析,试验结果与实际车载弹药振动环境基本吻合。与基于有限元分析软件HyperWorks计算结果做验证对比,结果基本一致。Based on SIMO,modal experiment is carried out analyze dynamic characteristics on frame, bottom-board and joint parts of certain type military transport vehicle. Modal parameters and modal vectors are extracted from experiment. Then modal parameters are identified and vibration characteristics are analyzed. The results are consonant with the real vibration environment. The test parameters are contrasted against the results calculated by HyperWorks, and they are the same.

关 键 词：模态试验 单点激振法 有限元 HYPERWORKS 

分 类 号：U463.321[机械工程—车辆工程]