Wave properties of some periodic structures

被引：3
|
作者：
Scarpetta, E
Sumbatyan, MA
机构：
[1] Univ Salerno, DIIMA, I-84084 Fisciano, SA, Italy
[2] Res Inst Mech & Appl Math, Rostov On Don 344090, Russia
来源：
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES | 2001年 / 38卷 / 17期
关键词：
periodic structures; wave properties;
D O I：
10.1016/S0020-7683(00)00220-1
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
In the context of wave propagation in damaged (elastic) solids, we develop an analytical approach for normal penetration of a plane wave through a two-dimensional array of cracks. Differently from our previous papers, the cracks' lines are not equally spaced along the direction of propagation (the cracks being periodically distributed only in the orthogonal direction). The linear system analytically obtained by means of a uniform approximation for one-mode range, is submitted to a standard method for numerical resolution. Reflecting the physical intuition, the transmission coefficient turns out to be (almost monotonically) decreasing with distance through the structure. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：3073 / 3079
页数：7
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