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椭圆声学超材料模型构建与带隙分析
Authors
刘宇
刘瑞霞
+5 more
姜恒
徐文帅
王育人
蒙丹
陈猛
Publication date
1 August 2017
Publisher
Abstract
通过在一个元胞内引入多个椭圆散射体可以构成多振子椭圆声学超材料,本文研究了椭圆散射体不同排列方式下振子间的耦合作用,以及这种耦合作用对能带结构的影响,并通过对振动模态的研究阐明了带隙产生的物理机制。研究表明,当散射体为椭圆时,相同散射体不同的排列方式对应不同的能带结构,带隙结构与椭圆散射体的数量以及散射体之间的耦合相关,随着散射体数量增加带隙结构将趋于一致
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 09/01/2019