The optimum elastic wave band gaps in three dimensional phononic crystals with local resonance

被引：0
|
作者：
Xin Zhang
Zhengyou Liu
Youyan Liu
机构：
[1] Wuhan University,Department of Physics
[2] Guangdong University of Technology,Department of Applied Physics
[3] PBG Research Center,Department of Applied Physics
[4] National University of Defense Technology,undefined
[5] South China University of Technology,undefined
来源：
The European Physical Journal B - Condensed Matter and Complex Systems | 2004年 / 42卷
关键词：
Spectroscopy; Neural Network; State Physics; Complex System; Nonlinear Dynamics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Using multiple-scattering theory, we investigate the optimization of the elastic wave band gaps of three dimensional three-component phononic crystals with local resonance. The optimum gaps of two systems including Au spheres coated with Pb embedded in Si matrix and Pb spheres coated with plastic embedded in Si matrix are obtained by tuning the ratio of the inner and the outer radii of the coating layers. It also shows that the elastic wave band gaps for the two systems versus the filling fractions and the radius ratio display different features.
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页码：477 / 482
页数：5
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