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《Journal of Dalian Jiaotong University》 2008-05
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Acoustic Property of Structure-Acoustic Coupling System for Rail Car

XIE Su-ming,FU Ya-lan,WANG Yue-dong,ZHAO Wen-zhong(School of Traffic and Transportation Engineering,Dalian Jiaotong University,Dalian 116028,China)  
As noise level inside a passenger car is one of the important characteristics to determine vehicle quantity,considering the relationship between structure vibration and acoustic,a model of acoustic-structure coupling system for passenger car is constructed,and the mode and harmonic analysis for the car structure model,air cavity model and acoustic-structure coupling model are performed.The acoustic field distribution of the interior car at low frequency is discussed.The results can be referred for further study on the noise radiation control.
【Fund】: 辽宁省自然科学基金资助项目(20051060);; 辽宁省重点实验室资助项目(2008S037)
【CateGory Index】: U270.16
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