Elastic wave band gaps and single scattering

被引：22
|
作者：
Klironomos, AD
Economou, EN
机构：
[1] Res Ctr Crete, FORTH, Heraklion 71110, Greece
[2] Univ Crete, Dept Phys, Crete, Greece
来源：
SOLID STATE COMMUNICATIONS | 1998年 / 105卷 / 05期
关键词：
acoustic properties; elasticity;
D O I：
10.1016/S0038-1098(97)10048-5
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The scattering cross section of an elastic plane wave incident at right angle to a circular cylinder was calculated. The frequency dependence of this single scattering cross section is connected to the existence (or not) of spectral gaps for elastic waves propagating in a periodic array of parallel circular cylinders. The present work confirms the picture of propagation along two distinct channels: one employing mainly the host material and the other exploiting the resonance modes of each cylinder. (C) 1998 Published by Elsevier Science Ltd.
引用
收藏
页码：327 / 332
页数：6
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