噪声与振动控制Issue(5)：111-115,5.DOI:10.3969/j.issn.1006-1335.2015.05.023
某微型车车内振动噪声分析及控制
Analysis and Control of the Interior Noise and Vibration of a Mini-vehicle
摘要
Abstract
A structure-acoustic coupling finite element model was established for a mini-vehicle. The noise transfer function of the model was analyzed. The critical excitation frequency and working condition which caused the interior noise were identified based on the noise peak at the specific interior response point. The body panels which had the largest vibration deformation in the critical working condition were identified by operational deflection shape analysis. Then, the dynamic vibration absorber was installed on the body panels so as to reduce the interior noise of the vehicle. Results show that the interior noise peak was reduced by 2 dB(A) at 48 Hz frequency, which can meet the optimization requirements.关键词
声学/噪声传递函数/工作变形分析/动力吸振器Key words
acoustics/noise transfer function/operational deflection shape analysis/dynamic vibration absorber分类
交通工程引用本文复制引用
侯献军,张强,刘志恩,吕俊成..某微型车车内振动噪声分析及控制[J].噪声与振动控制,2015,(5):111-115,5.基金项目
2013年湖北省自然科学基金重点项目 （）
