Surface effects on bandgaps of transverse waves propagating in two-dimensional phononic crystals with nanosized holes

被引：10
|
作者：
Zhen, Ni [1 ]
Wang, Yue-Sheng [1 ]
机构：
[1] Beijing Jiaotong Univ, Inst Engn Mech, Beijing 100044, Peoples R China
来源：
ADVANCED MATERIAL SCIENCE AND TECHNOLOGY, PTS 1 AND 2 | 2011年 / 675-677卷
关键词：
phononic crystal; nanosized holes; transverse wave; band structure; COMPOSITES;
D O I：
10.4028/www.scientific.net/MSF.675-677.611
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, a method based on the displacement-traction map is developed to calculate the bandgaps of transverse waves propagating in a 2D phononic crystal composed of nanosized circular holes in a square lattice. The Young-Laplace equation is employed to take into account of the surface effects of the nanosized holes. Detailed calculations are performed for the system with nanosized circular holes in an aluminum host with or without the surface effect. The result shows that all bands descend with the first bandgap becoming wider due to the existence of the surface effects.
引用
收藏
页码：611 / 614
页数：4
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