Study on mechanism of One-dimensional phononic crystals with locally resonant structures

被引：2
|
作者：
Song, Zhuofei [1 ]
Wang, Qiangsong [2 ]
Wang, Zidong [3 ]
机构：
[1] Hebei United Univ, Sch Met & Energy, Tangshan 063009, Peoples R China
[2] Gen Res Inst Nonferrous Met, State Key Lab Nonferrous Met & Proc, Beijing 100083, Peoples R China
[3] Univ Sci & Technol, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
APPLICATIONS OF ENGINEERING MATERIALS, PTS 1-4 | 2011年 / 287-290卷
关键词：
Phononic crystals; band gap; locally resonant;
D O I：
10.4028/www.scientific.net/AMR.287-290.650
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Comprehensive study is performed for the one-dimensional phononic crystals with locally resonant structures mechanism and Bragg scattering mechanism. Found locally resonant mechanism is same as Bragg scattering mechanism on one-dimension phononic crystal. The reasons of producing lower frequency band gap are still stiffness decrease and quality increase. So the theory that locally resonant structure is better than Bragg scattering in low frequency vibration reduction is inexact.
引用
收藏
页码：650 / +
页数：2
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