Sound reduction of a panel-cavity system with a chaotically vibrating boundary

Here, I was the first to investigate the sound reduction of a chaotically vibrating curved panel with/without a cavity. A sound reduction formula was obtained by combining the homogeneous wave equation and nonlinear structural governing equation. The chaotic and nonlinear sound radiations were compu...

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Published inAIMS mathematics Vol. 9; no. 3; pp. 5877 - 5885
Main Author Lee, Yiuyin
Format Journal Article
LanguageEnglish
Published AIMS Press 01.01.2024
Subjects
chaotic vibration
nonlinear structural dynamics
panel-cavity system
sound reduction
vibro-acoustics
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Abstract Here, I was the first to investigate the sound reduction of a chaotically vibrating curved panel with/without a cavity. A sound reduction formula was obtained by combining the homogeneous wave equation and nonlinear structural governing equation. The chaotic and nonlinear sound radiations were computed from the multi-mode coupled formulations using a numerical integration method. The results obtained from the proposed method and classical harmonic balance method were generally in reasonable agreement. A modal convergence study was also performed to check the proposed method. The effects of chaotic vibration on the sound reduction of a curved panel with/without a cavity were studied in detail.
AbstractList Here, I was the first to investigate the sound reduction of a chaotically vibrating curved panel with/without a cavity. A sound reduction formula was obtained by combining the homogeneous wave equation and nonlinear structural governing equation. The chaotic and nonlinear sound radiations were computed from the multi-mode coupled formulations using a numerical integration method. The results obtained from the proposed method and classical harmonic balance method were generally in reasonable agreement. A modal convergence study was also performed to check the proposed method. The effects of chaotic vibration on the sound reduction of a curved panel with/without a cavity were studied in detail.
Author Lee, Yiuyin
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Cites_doi 10.1007/bf02823212
10.1007/s11071-013-1039-9
10.1007/s40430-019-1565-6
10.1243/pime_proc_1996_210_371_02
10.3390/math11143178
10.1063/1.5086914
10.1155/2018/7076150
10.1016/s0003-682x(02)00033-6
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Snippet Here, I was the first to investigate the sound reduction of a chaotically vibrating curved panel with/without a cavity. A sound reduction formula was obtained...
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StartPage 5877
SubjectTerms chaotic vibration
nonlinear structural dynamics
panel-cavity system
sound reduction
vibro-acoustics
Title Sound reduction of a panel-cavity system with a chaotically vibrating boundary
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