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Abstract:
基于超声浸水透射技术,实验研究了有限尺寸二维正方晶格钢/水声子晶体多点缺陷模态性质。利用 COMSOL Multiphysics 软件建立该声子晶体有限元计算方法,求解了9×9超胞多点缺陷声子晶体能带结构,把缺陷局域模态频率与数值仿真和实验结果进行对比,结果表明:实验数据和理论值能够很好符合。进一步分析发现,点缺陷数量影响声波局域效应、本征模态和传播特性,为设计有限尺寸声波器件提供理论依据。
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Source :
物理学报
ISSN: 1000-3290
Year: 2013
Issue: 13
Page: 134301-1-134301-9
1 . 0 0 0
JCR@2022
ESI Discipline: PHYSICS;
JCR Journal Grade:3
CAS Journal Grade:4
Cited Count:
SCOPUS Cited Count: 8
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: 17
Chinese Cited Count:
30 Days PV: 2
Affiliated Colleges: