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Acoustic Radiation Modes and Characteristic Analysis of Spherical and Cylindrical Structures

DAI Lu,YANG Tie-jun,DU Jing-tao,JIN Guo-yong,SHUAI Zhi-jun(College of Power and Energy Engineering,Harbin Engineering University,Harbin 150001,China)  
The acoustic radiation modes and radiation efficiencies of two classical three-dimensional structures were deduced by different methods.These methods included element radiators method and basis function method.The advantages and disadvantages of the two methods were clarified,and their application occasions were demonstrated by comparison of each other.Simulation and characteristic analysis of spherical and cylindrical structures were carried out.
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