The Response Frequency Conversion Characteristic of a Nonlinear Curved Panel with a Centre Mass and the Sound Radiations

Y. Y. Lee

Mathematical Problems in Engineering, 2012, vol. 2012, 1-11

Abstract:

This study investigates the response frequency conversion characteristic of a nonlinear curved panel mounted with a centre mass and the sound radiations. A set of coupled governing differential equations is set up and used to generate the nonlinear vibration responses, which are used to calculate the corresponding radiated sounds. The vibration, sound levels, and the ratio of the antisymmetrical to symmetrical mode responses are plotted against the excitation level and compared with a set of experimental data. The frequency conversion characteristic is investigated from the frequency spectrums of the vibration responses.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:298413

DOI: 10.1155/2012/298413

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