Dispersion relations for acoustic waves in heterogeneous multi-layered structures contacting with fluids

被引：5
|
作者：
Botkin, N. D. [1 ]
Hoffmann, K.-H. [1 ]
Pykhteev, O. A. [1 ]
Turova, V. L. [1 ]
机构：
[1] Ctr Adv European Studies & Res, D-53175 Bonn, Germany
来源：
JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS | 2007年 / 344卷 / 05期
关键词：
multi-layered structures; surface acoustic waves; dispersion relations; homogenization; biosensor;
D O I：
10.1016/j.jfranklin.2006.02.026
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
The paper describes a method and a computer application for the computation of the velocity of acoustic waves excited in complicated multi-layered structures consisting of anisotropic piezoelectric and isotropic layers. The structure assumes to be unbounded in the lateral directions. The top and bottom layers are either semi-infinite in the vertical direction or they contact with media such as fluids, gases or vacuum. A special homogenization technique enables to account for bristle-like layers contacting with a fluid. The program is supplied with a user friendly graphical interface and can be useful for researchers working on acoustic sensors. (c) 2006 The Franklin Institute. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：520 / 534
页数：15
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