| 一维准周期结构声子晶体带隙特性的研究 |
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| 引用本文： | 曹永军,胡晓颖,周培勤. 一维准周期结构声子晶体带隙特性的研究[J]. 内蒙古师范大学学报(自然科学版), 2008, 37(1): 53-57 |
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| 作者姓名： | 曹永军 胡晓颖 周培勤 |
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| 作者单位： | 内蒙古师范大学物理与电子信息学院,内蒙古呼和浩特010022 |
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| 基金项目： | 国家自然科学基金 , 内蒙古自然科学基金 |
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| 摘 要： | 提出一种层厚递变式一维准周期结构声子晶体模型,数值计算了弹性波通过该一维准周期结构声子晶体的透射系数,并与周期结构声子晶体的透射系数进行了比较.计算发现,利用准周期排列的特殊结构可以有效地调节声子晶体的带隙宽度和所在的频率范围.
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| 关 键 词： | 准周期结构 声子晶体 带隙 |
| 文章编号： | 1001-8735（2008）01-0053-05 |
| 收稿时间： | 2007-05-08 |
| 修稿时间： | 2007-05-08 |
Band Gap Characteristics of One-dimensional Phononic Crystal with Quasi-periodical Structure |
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| CAO Yong-jun,HU Xiao-ying,ZHOU Pei-qin. Band Gap Characteristics of One-dimensional Phononic Crystal with Quasi-periodical Structure[J]. Journal of Inner Mongolia Normal University(Natural Science Edition), 2008, 37(1): 53-57 |
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| Authors: | CAO Yong-jun HU Xiao-ying ZHOU Pei-qin |
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| Abstract: | A model of one-dimensional phononic crystal with quasi-periodical structure,in which the layer thickness can be changed gradually, is proposed. The transmission coefficients of the elastic waves through the quasi-periodlcal phononic crystal have been numerically calculated, and been compared with the transmission coefficients of periodical phononic crystal. The numerical results show that the width and the frequency location of the band gap of phononic crystal can be adjusted by utilizing the special quasi-periodical structure. |
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| Keywords: | qusi-periodical structure phononic crystal band gap |
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