Enhancement of wave damping within metamaterials having embedded negative stiffness inclusions

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Chronopoulos, Dimitrios, Antoniadis, I., Collet, M. and Ichchou, M. (2015) Enhancement of wave damping within metamaterials having embedded negative stiffness inclusions. Wave Motion, 58 . pp. 165-179. ISSN 0165-2125

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Official URL: http://www.sciencedirect.com/science/article/pii/S0165212515000736

Abstract

The wave dissipation properties of layered periodic structures are modelled by FE as well as analytical approaches. A linear oscillator incorporating a negative stiffness element and having exceptional energy dissipation properties is exhibited and incorporated within the modelled structures. The structural dynamic stability of both the oscillator and the modelled waveguides is discussed and ensured. The numerical results provide evidence of a drastic increase of several orders of magnitude for the damping ratio of the flexural waves propagating within the structures.

Item Type:	Article
RIS ID:	https://nottingham-repository.worktribe.com/output/767475
Keywords:	Damping, Negative Stiffness, Composite Structures, Metamaterials,Wave Propagation
Schools/Departments:	University of Nottingham, UK > Faculty of Engineering > Department of Mechanical, Materials and Manufacturing Engineering
Identification Number:	https://doi.org/10.1016/j.wavemoti.2015.05.005
Depositing User:	Eprints, Support
Date Deposited:	07 Jul 2016 14:31
Last Modified:	04 May 2020 17:24
URI:	https://eprints.nottingham.ac.uk/id/eprint/34738

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