A numerical method for designing acoustic cloak with homogeneous metamaterials

Weiren Zhu; Changlin Ding; Xiaopeng Zhao

doi:10.1063/1.3492851

A numerical method for designing acoustic cloak with homogeneous metamaterials

Weiren Zhu, Changlin Ding, Xiaopeng Zhao

School of Physical Science and Technology

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

67 Scopus citations

Abstract

Based on the form invariance of Helmholtz equation, we present a rhombic acoustic cloak constructed with homogeneous metamaterials. In free space, the proposed cloak can effectively conceal an object inside under a given incident direction. Another application, namely carpet cloak, was also demonstrated by full wave simulations. The proposed cloak provided great convenience in the fabrication process due to the spatially uniform of relative density and modulus tensors.

Original language	English
Article number	131902
Journal	Applied Physics Letters
Volume	97
Issue number	13
DOIs	https://doi.org/10.1063/1.3492851
State	Published - 27 Sep 2010

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title = "A numerical method for designing acoustic cloak with homogeneous metamaterials",

abstract = "Based on the form invariance of Helmholtz equation, we present a rhombic acoustic cloak constructed with homogeneous metamaterials. In free space, the proposed cloak can effectively conceal an object inside under a given incident direction. Another application, namely carpet cloak, was also demonstrated by full wave simulations. The proposed cloak provided great convenience in the fabrication process due to the spatially uniform of relative density and modulus tensors.",

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AB - Based on the form invariance of Helmholtz equation, we present a rhombic acoustic cloak constructed with homogeneous metamaterials. In free space, the proposed cloak can effectively conceal an object inside under a given incident direction. Another application, namely carpet cloak, was also demonstrated by full wave simulations. The proposed cloak provided great convenience in the fabrication process due to the spatially uniform of relative density and modulus tensors.

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JO - Applied Physics Letters

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A numerical method for designing acoustic cloak with homogeneous metamaterials

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