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- W2390972908 abstract "An improved complex vector radius virtual source method based on sound pressure measurement is adopted to research radiation sound field of typical underwater structures and noise reduction character of its viscoelastic material.The boundary element method(BEM) software SYSNOISE is applied to obtain sound pressure on measurement surface,pulsating sphere sound radiation model is used to verify the correctness of software computation,is verified and effectiveness of complex vector radius method by sphere shell sound radiation under single point excitation.Research results show that combining acoustic impedance transferring and interface coupling theory,precision of sound field computation can be improved by optimizing complex vector radius ratio and positions of double spherical virtual source in cylindrical shell under single point excitation,the complex vector radius method is more operational and practical than traditional virtual source superposition method in engineering." @default.
- W2390972908 created "2016-06-24" @default.
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- W2390972908 date "2013-01-01" @default.
- W2390972908 modified "2023-09-23" @default.
- W2390972908 title "Research on complex vector radius method for noise reduction of underwater structures covered with viscoelastic material" @default.
- W2390972908 hasPublicationYear "2013" @default.
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