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

页码：415 / 419

页数：5

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