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Proceedings Paper

Modeling of a 3D acoustoelastic metamaterial energy harvester
Author(s): Mohammadsadegh Saadatzi; Fariha Mir; Mohammad Nasser Saadatzi; Vahid Tavaf; Sourav Banerjee
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Paper Abstract

Energy harvesters primarily depend on on a groups of unit cells to harvest energy at broadband frequencies so that each unit cell is responsible to harvest energy at a distinct frequency. Other design complexity, space, and financial profusion are required for transferring from unit-frequency to multi-frequency energy scavenging. Also, it is very unlikely to obtain expected power output if the available vibration source doesn’t match the designed loading condition (usually, unidirectional) of the device and requires rearrangement of the base structure to have projected output. In this paper we model the unique feature of acoustic metamaterial (AM), which is not only able to harvest energy at multiple frequencies using only a unit cell device, but also able to harvest energy under a variety of uncoupled (unidirectional) and coupled (multi-directional) vibration environments with an identical base structure arrangement.

Paper Details

Date Published: 19 March 2018
PDF: 6 pages
Proc. SPIE 10595, Active and Passive Smart Structures and Integrated Systems XII, 105952U (19 March 2018); doi: 10.1117/12.2296638
Show Author Affiliations
Mohammadsadegh Saadatzi, Univ. of South Carolina (United States)
Fariha Mir, Univ. of South Carolina (United States)
Mohammad Nasser Saadatzi, Univ. of Louisville (United States)
Vahid Tavaf, Univ. of South Carolina (United States)
Sourav Banerjee, Univ. of South Carolina (United States)

Published in SPIE Proceedings Vol. 10595:
Active and Passive Smart Structures and Integrated Systems XII
Alper Erturk, Editor(s)

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