The flexural vibration properties of a periodic honeycomb sandwich plate

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Journal of Vibration and Shock ›› 2012, Vol. 31 ›› Issue (24) : 108-111.

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The flexural vibration properties of a periodic honeycomb sandwich plate

Huang Lijuan Cheng Zhixin Liao Xuebing Huang Linhao

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Abstract

Based on the locally resonant mechanism of Phononic Crystals, a honeycomb sandwich plate with vibration absorbers attached periodically is constructed. Utilizing the Mode Synthetic Technology, the frequency response function (FRF) of the periodic honeycomb sandwich plate (PHSP) is calculated and the vibration modes are presented. The effects of the vibration absorber parameters such as stiffness, mass on the vibration band gap are analyzed, and the qualitative changing law of the vibrational band gaps is obtained. Finally, the vibration response of the PHSP with pinned supports in the time domain is performed. Results show that the propagation of the flexural vibration in the PHSP will be effectively attenuated. The research of this paper may provid a new way to the vibration control of plates and shells.

Key words

periodic locally resonant vibration / honeycomb sandwich plate / model synthetic technology / flexural vibration / frequency response

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Huang Lijuan Cheng Zhixin Liao Xuebing Huang Linhao. The flexural vibration properties of a periodic honeycomb sandwich plate[J]. Journal of Vibration and Shock, 2012, 31(24): 108-111