声学超材料建模与设计的阻抗方法

2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS) Pub Date : 2016-09-01 DOI:10.1109/METAMATERIALS.2016.7746436

Y. Bobrovnitskiĭ

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引用次数: 0

摘要

从一定的表面阻抗特性出发，得到了声不可见(隐身)、超吸声等问题的理论解。这些解决方案可以通过由2D声学或机械超材料制成的涂层来实现，这些涂层可以提供所需的表面阻抗。给出了用阻抗法求解隐身问题和最佳吸声体问题的计算机模拟和室内实验结果。

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Impedance approach to modeling and designing acoustic metamaterials

Theoretical solutions to the problems of acoustic invisibility (cloaking), of superabsorber of sound and some other are obtained in terms of certain surface impedance characteristics. The solutions can be realized with the help of coatings made of 2D acoustic or mechanical metamaterials that provide the needed surface impedances. Results of computer simulation and laboratory experiments of applying the impedance approach to the problems of cloaking and of the best absorber of sound are presented.

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2016 10th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics (METAMATERIALS)

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