Modeling of a 3D acoustoelastic metamaterial energy harvester

Mohammadsadegh Saadatzi; Fariha Mir; Mohammad Nasser Saadatzi; Vahid Tavaf; Sourav Banerjee

doi:10.1117/12.2296638

19 March 2018 Modeling of a 3D acoustoelastic metamaterial energy harvester

Mohammadsadegh Saadatzi, Fariha Mir, Mohammad Nasser Saadatzi, Vahid Tavaf, Sourav Banerjee

Proceedings Volume 10595, Active and Passive Smart Structures and Integrated Systems XII; 105952U (2018) https://doi.org/10.1117/12.2296638
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2018, Denver, Colorado, United States

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.

Conference Presentation

Citation Download Citation

Mohammadsadegh Saadatzi, Fariha Mir, Mohammad Nasser Saadatzi, Vahid Tavaf, and Sourav Banerjee "Modeling of a 3D acoustoelastic metamaterial energy harvester", Proc. SPIE 10595, Active and Passive Smart Structures and Integrated Systems XII, 105952U (19 March 2018); https://doi.org/10.1117/12.2296638

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