硅酸盐通报2016，Vol.35Issue(9)：2767-2771,5.
双包覆层局域共振声子晶体带隙特性研究
Band Gap Characteristics of Periodic the Double Cladding Layer Locally Resonant Phononic Crystal
摘要
Abstract
The double cladding layer local resonance mechanism resonators in phononic crystal was proposed .The band gap formation mechanisms , the width of band gap affect factors , and sound insulation quantities with finite element methods were analyzed .These results show that starting frequency depends on higher elastic modulus of the double cladding layer elasticity , cut-off frequency depends on smaller bulk density of elasticity .These results that phononic crystal has a good the light quality , low-frequency , width band gap and the sound insulation of characteristics , provides potential applications prospect the reducing of low-frequency noise in the mechanical equipments and provides theoretical guidance for the design of the structure of the phonon crystal .关键词
声子晶体/局域共振/带隙机理/隔声特性Key words
phononic crystal/local resonance/band-gap mechanism/sound insulation of characteristic分类
数理科学引用本文复制引用
张佳龙,姚宏,杜军,赵静波,董亚科..双包覆层局域共振声子晶体带隙特性研究[J].硅酸盐通报,2016,35(9):2767-2771,5.基金项目
国家自然科学基金（11447147，11504429）；陕西省自然科学基础研究计划 （）
