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A discrete model of damped acoustic metamaterials

  • Classical Problems of Linear Acoustics and Wave Theory
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Abstract

For damped acoustic metamaterials, a discrete model is proposed in the form of a periodic structure with cells of the simplest type. The effective parameters of the model are determined by criteria based on the equality of dispersion of waves. The general properties of the model are studied. An example of one negative type of metamaterials is presented. The model is useful for analyzing wave properties and creating metamaterials with given acoustic properties.

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Correspondence to Yu. I. Bobrovnitskii.

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Original Russian Text © Yu.I. Bobrovnitskii, T.M. Tomilina, M.M. Laktionova, 2016, published in Akusticheskii Zhurnal, 2016, Vol. 62, No. 1, pp. 3–9.

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Bobrovnitskii, Y.I., Tomilina, T.M. & Laktionova, M.M. A discrete model of damped acoustic metamaterials. Acoust. Phys. 62, 1–7 (2016). https://doi.org/10.1134/S1063771016010012

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  • DOI: https://doi.org/10.1134/S1063771016010012

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