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Approximation Approach of Realizing an Arbitrarily Shaped Acoustic Cloak with Homogeneous Isotropic Materials 被引量:1

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摘要 An approximation approach is proposed for realizing an arbitrarily shaped acoustic cloak.Based on the effective medium theory,the designed cloak is a discrete layered structure using homogeneous isotropic materials.The performance of the cloak is simulated,and the results demonstrate that the cloak possesses properties of low-reflection outside the cloak and wavefront-bending in the cloak shell.This work proves the feasibility of realizing an arbitrarily shaped acoustic cloak using normal materials.
作者 GAO Dong-Bao ZENG Xin-Wu 高东宝;曾新吾(College of Optoelectronic Science and Engineering,National University of Defense Technology,Changsha 410073)
出处 《Chinese Physics Letters》 SCIE CAS CSCD 2012年第11期127-130,共4页 中国物理快报(英文版)
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