Propagation of guided elastic waves in 2D phononic crystals

被引：62
|
作者：
Charles, C. [1 ]
Bonello, B. [1 ]
Ganot, F. [1 ]
机构：
[1] Univ Paris 06, Inst NanoSci Paris, CNRS, UMR 7588, F-75015 Paris, France
来源：
ULTRASONICS | 2006年 / 44卷
关键词：
phononic crystal; guided waves; plane wave expansion; band gap;
D O I：
10.1016/j.ultras.2006.05.096
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The phononic band structure of two-dimensional phononic guides is numerically studied. A plane wave expansion method is used to calculate the dispersion relations of guided elastic waves in these periodic media, including 2D phononic plates and thin layered periodic arrangements. We show that, for any guided elastic wave, Lamb or generalised Lamb modes, stop bands appear in the dispersion curves, displaying a phononic band structure in both cases. (c) 2006 Published by Elsevier B. V.
引用
收藏
页码：E1209 / E1213
页数：5
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