Topographically guided waves in a thin plate

被引：5

作者：

Pichugin, A. V. ^{[1
]}

机构：

[1] Brunel Univ, Dept Math Sci, Uxbridge UB8 3PH, Middx, England

来源：

JOURNAL OF SOUND AND VIBRATION | 2013年 / 332卷 / 01期

关键词：

SURFACE-WAVES; SHELLS;

D O I：

10.1016/j.jsv.2012.07.046

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The Kirchhoff plate theory is used to establish that a thin plate with a symmetric rectangular recess supports the propagation of a pure (i.e. non-radiating) flexural guided mode, which is localised in the vicinity of the topographic feature. The guided mode is shown to exist in the long-wave limit, as long as the wave-guiding recess is sufficiently wide. The plate with a symmetric rectangular ridge, on the other hand, is demonstrated to admit no guided waves in the same limit. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：1 / 6

页数：6

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