Examination of acoustic insulation of composite metamaterials with negative stiffness elements inclusions

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Ampatzidis, Theofanis and Chronopoulos, Dimitrios (2017) Examination of acoustic insulation of composite metamaterials with negative stiffness elements inclusions. In: 24th International Conference on Sound and Vibration, 23-27 July 2017, London, UK.

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Abstract

Damping is one of the most important properties of materials, being responsible for increased durability and conmfort of the structures. In this paper the damping enhancement of materials with internal oscillators is examined. Wave Finite Element (WFE) method is used to get the wave propagation of an two-dimensional layered mechanical material having embedded nonlinear internal oscillators acting as negative stiffness element. The acoustic properties of the panel are studied in a Statistical Energy Analysis (SEA) scheme.

Item Type: Conference or Workshop Item (Paper)
RIS ID: https://nottingham-repository.worktribe.com/output/873735
Keywords: damping, metamaterials, negative stiffness, composites
Schools/Departments: University of Nottingham, UK > Faculty of Engineering
Related URLs:
URLURL Type
https://iiav.org/icsv24/UNSPECIFIED
Depositing User: Eprints, Support
Date Deposited: 22 Aug 2017 12:06
Last Modified: 04 May 2020 18:56
URI: https://eprints.nottingham.ac.uk/id/eprint/45058

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