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Study of In-Plane Wave Propagation in 2-Dimensional Anisotropic Elastic Metamaterials

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Abstract

Objective

Due to its multiple applications, elastic metamaterial is of great interest for researchers today. In this article, in-plane wave propagation in 2-D anisotropic metamateials with anisotropic density and anisotropic Young’s modulus is comprehensively studied.

Method

Characteristics of wave propagation in 2-D metamaterial with different combinations of negative properties are provided, and the unnatural phenomenon is also explained. Based on Snell’s law and weld boundary condition, analysis of wave propagation from conventional isotropic material into anisotropic metamaterial is performed.

Significance

This paper can serve as a foundation for future study of massive modeling and simulation of both isotropic and anisotropic metamaterials.

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Authors and Affiliations

  1. Department of System Engineering, University of Arkansas at Little Rock, Little Rock, AR, 72204, USA

    Sheng Sang & Eric Sandgren

Authors
  1. Sheng Sang
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  2. Eric Sandgren
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Correspondence to Sheng Sang.

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Sang, S., Sandgren, E. Study of In-Plane Wave Propagation in 2-Dimensional Anisotropic Elastic Metamaterials. J. Vib. Eng. Technol. 7, 63–72 (2019). https://doi.org/10.1007/s42417-018-0076-6

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  • DOI: https://doi.org/10.1007/s42417-018-0076-6

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