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Tunable interface states in locally resonant acoustic chains with inerters

Milan Cajic, Danilo Karlicic Orcid Logo, Stepa Paunovic, Sondipon Adhikari

ENOC2022-Book of abstracts, Pages: 262 - 263

Swansea University Authors: Milan Cajic, Danilo Karlicic Orcid Logo, Sondipon Adhikari

Abstract

In this work, we study locally resonant acoustic chains with inerters. Topological properties are investigated on the exampleof one-dimensional chain with diatomic mass-in-mass unit cells based on the band structure and eigenstate analysis. The existence ofinterface modes in finite chains is confirm...

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Published in: ENOC2022-Book of abstracts
Published: European Mechanics Society 2022
Online Access: https://enoc2020.sciencesconf.org/382121
URI: https://cronfa.swan.ac.uk/Record/cronfa61913
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Abstract: In this work, we study locally resonant acoustic chains with inerters. Topological properties are investigated on the exampleof one-dimensional chain with diatomic mass-in-mass unit cells based on the band structure and eigenstate analysis. The existence ofinterface modes in finite chains is confirmed through natural frequencies and frequency response function analysis. Tuning of interfacemodes due to introduced inertia amplification effect is observed and investigated in details.
College: Faculty of Science and Engineering
Funders: European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant
Start Page: 262
End Page: 263