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《Chinese Journal of Computational Mechanics》 2009-03
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Research on prediction and control of interior noise in railway passenger-car

XIE Su-ming*,ZHANG Lei,FU Ya-lan,ZHAO Wen-zhong(School of Transportation Engineering,Dalian Jiaotong University,Dalian Liaoning 116028)  
In order to improve interior acoustic quality of railway passenger-car,research on prediction and control of low-frequency noise inside the passenger-car is performed based on FEM and BEM.A passenger-car model is set up,giving consideration to structure-acoustic coupling characteristic of the car.The mode analysis and harmonic analysis under 0 Hz~200 Hz for the car structure model,air cavity model and acoustic-structure coupling model are carried on,respectively.Then,the acoustic field distribution at low frequency inside the car is analyzed,and acoustic contribution coefficient of car-body panel at focused frequencies are studied to identify the main structure-borne noise sources.Hereby the approach in this paper can be used to provide theoretical data for structure acoustic design at low-frequency.
【Fund】: 国家863(2006AA04Z160);; 辽宁省教育厅(2008S037)资助项目
【CateGory Index】: U270.16
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【Citations】
Chinese Journal Full-text Database 6 Hits
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【Co-citations】
Chinese Journal Full-text Database 10 Hits
1 CAO Yi-peng,ZHANG Wen-ping(Harbin Engineering University,Harbin 150001,China);A study on the effects of the longitudinal vibration of shafting on acoustic radiation from underwater double cylindrical shell[J];Journal of Ship Mechanics;2007-02
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