Flexural wave propagation in a fluid-loaded elastic plate with periodically varying rigidity

被引：1
|
作者：
Hawwa, MA [1 ]
Nayfeh, AH [1 ]
机构：
[1] VIRGINIA POLYTECH INST & STATE UNIV, DEPT ENGN SCI & MECH, BLACKSBURG, VA 24061 USA
来源：
JOURNAL OF VIBRATION AND ACOUSTICS-TRANSACTIONS OF THE ASME | 1997年 / 119卷 / 03期
关键词：
D O I：
10.1115/1.2889740
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The method of multiple scales is utilized to analyze the propagation of flexural waves in a fluid-loaded elastic plate with periodically varying rigidity. Subsonic modes are coupled under a Bragg condition imposed by the parametric periodicity, lending to a strong stopband interaction. This interaction is analytically described by two coupled-mode equations. The results might be utilized to avoid the undesirable acoustic radiation occurring when subsonic waves encounter a discontinuity.
引用
收藏
页码：415 / 419
页数：5
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