管道振动引起辐射噪声场的有限元分析
FINITE ELEMENT ANALYSIS OF RADIATED NOISE FIELD IN PIPES VIBRATION
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摘要: 对于管束振动引起的辐射声场的分析，利用解析法较为困难. 运用有限元分析法对管道耦合振动噪声进行了比较系统的分析，得到一系列有益结果，为振动噪声控制提供了理论依据.Abstract: It is difficult to use a theoretical method to analyse the radiatedsound field caused by the vibration of pipes. In this paper, ananalysis of the radiated sound field caused by the vibration of pipes ismade using the finite element method. The pattern of thepressure distribution of the sound field was obtained from thecalculation, which provides a basis for vibration noise control.
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