Research on Vibration Isolation and Noise Attenuation Properties of Periodic Layered Structures

Abstract:

This paper investigates the suppression of vibration and noise radiation in a flexible isolation system through the use of periodic layered structures. A single-stage vibration isolation model is developed first. Then, the isolation performance of the periodic structure is studied. Furthermore, the influence of the isolator location and the phase difference on the radiated sound power of the foundation is investigated. The numerical results show that the vibration and noise can be greatly attenuated in the band gaps.

• Periodical: Applied Mechanics and Materials (Volumes 397-400)
• Pages: 335-339
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.397-400.335
• Online since: September 2013
• Authors: Zi Jian Wang, Zhong Qing Jin, Yan Cong
• Keywords: Isolation Performance, Periodic Structure, Sound Radiation, Vibration

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