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《Journal of Machine Design》 2011-02

## Numerical methods for acoustic-structural coupling problem of open thin-walled structure

LI Li-jun,GANG Xian-yue,LI Hong-yan,CHAI Shan(School of Transportation and Vehicle Engineering,Shandong University of Technology,Zibo 255049,China)
For acoustic radiation problem of open thin-walled structure,although it was difficult to calculate directly by analytical method,the simulation analysis can be done by several numerical methods.This paper had discussed several numerical methods as FEM(Finite Element Method),BEM(Boundary Element Method) and IFEM(Infinite Element Method) and the numerical methods as well as the theory foundation for coupling.Several numerical methods for solving unclosed structure radiation problem were also studied.Under the premise of structure-acoustic coupling,this paper analyzed the systemic equation and process to solve acoustic field problem of open structure by using 4 methods as IBEM(Indirectly Boundary Element Method),DBEM(Directly Boundary Element Method) coupling method of interior and exterior fields,FEM and BEM coupling method,FEM and IFEM coupling method.This paper took the open structure as practical example to carry out simulation calculation by applying these 4 methods,relevant conclusions were obtained by analysis and comparison of the results.
【Fund】： 山东省自然科学基金资助项目(2010ZRB01072)
【CateGory Index】： O422.2
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 【Co-citations】
 Chinese Journal Full-text Database 5 Hits
 1 LI Li-jun,LI Hong-yan,GANG Xian-yue,CHAI Shan(School of Traffic and Vehicle Engineering,Shandong University of Technology,Zibo 255049,China);Research and application of numerical methods on acoustic-structural coupled system[J];Journal of Engineering Design;2010-06 2 CUI Chunyi1,HUANG Jian2,SUN Zhanqi3,WEI Chao4,NIE Miaoxin4(1.Institute of Road and Bridge Engineering,Dalian Maritime University,Dalian China,116026;2.Institute of Geotechincal Engineering,Dalian University of Technology,Dalian China,116026;3.Postdoctoral Contribution and Practice Center,Shenzhen Municipal Engineering Design Institute,Shenzhen China,518029;4.Zhejiang Industry & Trade Polytechnic,Wenzhou China,325003);Numerical Analysis of Dynamic Response of Cofferdam System with Steel Sheet Piles under Horizontal Seismic Action[J];Journal of Shenyang Jianzhu University(Natural Science);2009-06 3 LI Li-jun,GANG Xian-yue,CHAI Shan,LI Hong-yan(School of Traffic and Vehicle Engineering,Shandong University of Technology,Zibo 255049,China);Two BEM Methods for Acoustic Field Analysis of Open Structure[J];Tractor & Farm Transporter;2009-06 4 CHEN Er-yun1,2,MA Da-wei2,LE Gui-gao2,YANG De-quan3(1.School of Energy & Power Engineering,USST,Shanghai 200093,China;2.School of Mechanical Engineering,NUST,Nanjing 210094,China;3.Inner Mongolia University for Nationalities,Tongliao 028043,China);Treatment of Singular Integral of Boundary Element Method in Axisymmetric Potential Problem[J];Journal of System Simulation;2009-05 5 LI Li-jun,LI Hong-yan,CHAI Shan,GANG Xian-yue(Shandong University of Technology,School of Transportation and Vehicle Engineering,Zibo Shandong 255049,China);IFEM on Structural Exterior Acoustic Fields Analysis[J];Noise and Vibration Control;2010-03
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