摘要
声子晶体是一种具有弹性波带隙的周期性结构功能材料,振动频率在声子晶体带隙范围内的振动会被抑制或禁止传播,它所具有的这种弹性波带隙特性为减振技术的发展提供了一种新的可能。在介绍声子晶体的基本理论及特征的基础上,阐述了声子晶体在振动与噪声控制领域的研究现状及声子晶体在汽车减振降噪方面的应用。
Phononic crystals are materials with elastic vibration band gaps where the propagation of vibrations is restrained or forbidden. This property provides a new prospect for technology of vibration attenuation. In this paper, based on the concept and characteristics of phononic crystals, application of phononic crystals, especially in control of vibration and noise is expatiated. Finally, the prospect of phononic crystals application in the field of automobile vibration and noise reduction is forecasted.
出处
《材料导报》
EI
CAS
CSCD
北大核心
2007年第4期84-86,95,共4页
Materials Reports
基金
重庆市自然科学基金资助项目(No8426)
关键词
声子晶体
带隙
振动
噪声控制
phononic crystals, band gap, vibration, noise control
