Elastic waves in semi-infinite periodically layered media
Date Issued
2007
Date
2007
Author(s)
Tang, Kai-Yi
DOI
zh-TW
Abstract
The purpose of this article is to research the appearance of band structures and surface modes in semi-infinite periodically layered media. By the analysis, the spread of passing band and forbidden band for the foundation of design is investigated. This article use transfer matrix method to calculate dispersion relation and surface modes in semi-infinite periodically layered media. Finally analyzing characteristics of periodical structures in two-layer and four-layer to research the influence of width, structure, cap layer on band structures and surface modes is presented.
Subjects
彈性波
層狀材料
帶隙結構
表面模態
能帶
elastic wave
layered media
band structure
surface mode
energy band
Type
thesis
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