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- W4220986992 abstract "Purpose The purpose of the study is to obtain and analyze vibro-acoustic characteristics. Design/methodology/approach A unified analysis model for the rotary composite laminated plate and conical–cylindrical double cavities coupled system is established. The related parameters of the unified model are determined by isoparametric transformation. The modified Fourier series are applied to construct the admissible displacement function and the sound pressure tolerance function of the coupled systems. The energy functional of the structure domain and acoustic field domain is established, respectively, and the structure–acoustic coupling potential energy is introduced to obtain the energy functional. Rayleigh–Ritz method was used to solve the energy functional. Findings The displacement and sound pressure response of the coupled systems are acquired by introducing the internal point sound source excitation, and the influence of relevant parameters of the coupled systems is researched. Through research, it is found that the impedance wall can reduce the amplitude of the sound pressure response and suppress the resonance of the coupled systems. Besides, the composite laminated plate has a good noise reduction effect. Originality/value This study can provide the theoretical guidance for vibration and noise reduction." @default.
- W4220986992 created "2022-04-03" @default.
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- W4220986992 date "2022-03-22" @default.
- W4220986992 modified "2023-10-14" @default.
- W4220986992 title "Vibro-acoustic characteristics analysis of the rotary composite plate and conical–cylindrical double cavities coupled system" @default.
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- W4220986992 doi "https://doi.org/10.1108/jimse-01-2022-0002" @default.
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