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Cymatics for the cloaking of flexural vibrations in a structured plate

Misseroni, D and Colquitt, DJ and Movchan, AB and Movchan, NV and Jones, IS (2016) Cymatics for the cloaking of flexural vibrations in a structured plate. SCIENTIFIC REPORTS, 6. pp. 1-11. ISSN 2045-2322

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Abstract

Based on rigorous theoretical findings, we present a proof-of-concept design for a structured square cloak enclosing a void in an elastic lattice. We implement high-precision fabrication and experimental testing of an elastic invisibility cloak for flexural waves in a mechanical lattice. This is accompanied by verifications and numerical modelling performed through finite element simulations. The primary advantage of our square lattice cloak, over other designs, is the straightforward implementation and the ease of construction. The elastic lattice cloak, implemented experimentally, shows high efficiency.

Item Type: Article
Uncontrolled Keywords: Science & Technology; Multidisciplinary Sciences; Science & Technology - Other Topics; ELASTIC PLATES; WAVES; TRANSFORMATION; HOMOGENIZATION; ELASTODYNAMICS; LATTICES
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Maritime and Mechanical Engineering
Publisher: NATURE PUBLISHING GROUP
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Date Deposited: 16 Jun 2016 11:40
Last Modified: 06 Sep 2017 14:03
DOI or Identification number: 10.1038/srep23929
URI: http://researchonline.ljmu.ac.uk/id/eprint/3786

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