Research on the Effects of Blocking Mass on Vibration Resistance Performance of L-Shaped Plates

Hua Bing Wen; Lin Bo Liu; Zi Long Peng; Qi Dong Zhong

doi:10.4028/www.scientific.net/AMM.482.131

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 482Research on the Effects of Blocking Mass on...

Research on the Effects of Blocking Mass on Vibration Resistance Performance of L-Shaped Plates

Abstract:

The theory of vibration resistance of blocking mass at the corner interface of L-shaped plates is put forward from the perspective of wave approach. The equation of transmission and reflection coefficients of flexure wave is deduced by the presented theory. Based on FE/SEA method, the vibration resistance performance of the hollow blocking mass at the corner interface of L-shaped plates was studied through numerical simulation. The results show that the hollow blocking mass can impede the propagation of the high frequency vibration waves, reduce the vibration and sound radiation of the latter plate, and increase the influence of the reflection waves on the former plate. However, the overall radiant energy is basically identical to the L-shaped plates without the hollow blocking mass.

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Periodical:

Applied Mechanics and Materials (Volume 482)

Pages:

131-135

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.482.131

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Online since:

December 2013

Authors:

Hua Bing Wen*, Lin Bo Liu, Zi Long Peng, Qi Dong Zhong

Keywords:

Propagation of Vibration Waves, Sound Radiation, Transmission and Reflection Coefficients

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* - Corresponding Author

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