机械研究与应用
機械研究與應用
궤계연구여응용
MECHANICAL RESEARCH & APPLICATION
2014年
3期
107-109
,共3页
白车身%振动%频率%模态试验%结果分析
白車身%振動%頻率%模態試驗%結果分析
백차신%진동%빈솔%모태시험%결과분석
body-in-white%vibration%frequency%modal test%results analysis
新车型的设计研发过程中应首先考虑的是白车身的动态特性,通过试验得到的动态特性参数能很大程度的改变现有新车型开发周期长、成本高的现状,从而可以尽快的发布以及上市新车型。通过试验方法对某一款汽车的两种白车身模态进行了分析对比,得到其各项模态性能参数,通过对结果的分析为以后进一步研究白车身NVH性能提供了试验依据。
新車型的設計研髮過程中應首先攷慮的是白車身的動態特性,通過試驗得到的動態特性參數能很大程度的改變現有新車型開髮週期長、成本高的現狀,從而可以儘快的髮佈以及上市新車型。通過試驗方法對某一款汽車的兩種白車身模態進行瞭分析對比,得到其各項模態性能參數,通過對結果的分析為以後進一步研究白車身NVH性能提供瞭試驗依據。
신차형적설계연발과정중응수선고필적시백차신적동태특성,통과시험득도적동태특성삼수능흔대정도적개변현유신차형개발주기장、성본고적현상,종이가이진쾌적발포이급상시신차형。통과시험방법대모일관기차적량충백차신모태진행료분석대비,득도기각항모태성능삼수,통과대결과적분석위이후진일보연구백차신NVH성능제공료시험의거。
Dynamic characteristic should be first considered in the process of design research and development for body-in-white, dynamic characteristic parametersobtained by test can greatly change the long cycle of new model development, the presentsituation ofthe high cost, which can release aswell as the listing of new models as soon as possible.In this paper, two test methodsfor a body-in-white mode are analyzed and compared, the modalperformance parameters are got, analysisof the results can provide experimental evidences for thefurther research NVH performance of body-in-white.