Localised vibration modes and stop bands for continuous and discrete periodic structures

被引：22

作者：

Movchan, A. B. ^{[1
]}

Movchan, N. V. ^{[1
]}

Haq, S. ^{[1
]}

机构：

[1] Univ Liverpool, Dept Math Sci, Liverpool L69 3BX, Merseyside, England

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2006年 / 431卷 / 1-2期

关键词：

phononic crystals; lattice structures; Bloch-Floquet waves;

D O I：

10.1016/j.msea.2006.05.145

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The paper analyses Bloch-Floquet waves propagating in doubly-periodic composite structures containing high-contrast interfaces and finite size defects. Dispersion diagrams are presented for waves in continuum elastic structures containing arrays of two-phase inclusions, as well as for discrete lattice structures with defects. Particular attention is paid to structures that filter waves of certain frequencies and possess highly localised vibration modes. The original concept is applied to analysis of the spectrum for structures accumulating damage. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：175 / 183

页数：9

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