Modeling of a 3D acoustoelastic metamaterial energy harvester

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

doi:10.1117/12.2296638

Cited by 10 publications

(2 citation statements)

References 23 publications

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“…The maximum power could only be achieved near the resonance of the structure as a whole when the vibration intensity reaches the maximum. Based on the similar design presented in figure 7(a), Mir et al [116] and Saadatzi et al [117] explored the feasibility for simultaneous energy harvesting and noise insulation through finite element simulation. However, their finite element results could not strongly support their statements.…”

Section: Elastic Wave Energy Harvestingmentioning

confidence: 99%

Acoustic-Elastic Metamaterials and Phononic Crystals for Energy Harvesting: A Review

Tang

Liang

et al. 2021

Smart Mater. Struct.

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Metamaterials and phononic crystals (PCs) with artificially designed periodic microstructures have attracted increasing research interests due to their unique properties that cannot be easily realized in natural materials. In recent years, the applications of metamaterials and PCs have been extended into the field of energy harvesting. A direct integration design strategy can yield a multifunctional system to suppress undesired vibrations/noise and convert them into electrical energy for providing power supply to widely distributed micro-electromechanical systems. Moreover, the defect state mode of metamaterials/PCs can localize the energy with an amplification effect, which has a great potential for improving energy harvesting efficiency. In addition, through tailoring the refractive index profile of metamaterials/PCs, the wave focusing phenomenon can be realized to boost the energy harvesting efficiency over a wide frequency range. This paper presents a comprehensive overview of the state-of-the-art advances in this direction over the past decade. According to the design strategies and working mechanisms, the existing studies in the literature on this topic are outlined and classified into three different categories. The advantages and disadvantages of various configurations are compared. The potential solutions to the existing drawbacks are discussed. An outlook on future prospects in this area is provided.

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Section: Elastic Wave Energy Harvestingmentioning

confidence: 99%

Acoustic-Elastic Metamaterials and Phononic Crystals for Energy Harvesting: A Review

Tang

Liang

et al. 2021

Smart Mater. Struct.

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“…Thus, it inspired a large group of researchers to realize several mechanisms for wave front modulation [10,11] using the periodic structures. Some of the practical application includes wave focusing [12], sound isolation, energy harvesting [13,14], ultrasonography etc. However, most of the research were performed to manipulate the acoustical waves at specific and/or predefined frequencies [15,16].…”

Section: Introductionmentioning

confidence: 99%

Multifunction acoustic modulation by a multi-mode acoustic metamaterial architecture

Ahmed

Indaleeb

et al. 2018

J. Phys. Commun.

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Exotic acoustical features, like acoustic transparency, ultrasonic beam focusing, acoustic band gap and super lensing capability using a single metamaterial architecture is unconventional and unprecedented in the literature, demonstrated herein. Conventional metamaterials can focus an ultrasonic beam at specific frequency which results into unwanted distortion of the output wave fields at neighboring sonic frequencies in the host medium. However, ultrasonic wave focusing by virtue of negative refraction and simultaneous transparency of the metamaterial at sonic frequencies are uncommon due to their frequency disparity. To circumvent this problem and to avoid the unwanted distortion of wave at sonic frequencies, metamaterial with an array of butterfly-shaped thin ring resonators are proposed to achieve the beam focusing at ultrasonic frequency (37.3 kHz) and keep the structure transparent to the sonic frequencies (<20 kHz). The butterfly metamaterial with local ring resonators or butterfly crystals (BC) were previously proposed to create wide band gaps (∼7 kHz) at ultrasonic frequencies above 20 kHz. However, in this study a unique sub-wavelength scale wave focusing capability of the butterfly metamaterial utilizing the negative refraction phenomenon is demonstrated, while keeping the metamaterial block transparent to the propagating wave at lower sonic frequencies below the previously reported bandgaps.

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Quantification of material degradation and its behavior of elastodynamic Green’s function for computational wave field modeling in composites

Tavaf

Saadatzi

Shrestha

et al. 2018

Materials Today Communications

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Modeling of a 3D acoustoelastic metamaterial energy harvester

Cited by 10 publications

References 23 publications

Acoustic-Elastic Metamaterials and Phononic Crystals for Energy Harvesting: A Review

Acoustic-Elastic Metamaterials and Phononic Crystals for Energy Harvesting: A Review

Multifunction acoustic modulation by a multi-mode acoustic metamaterial architecture

Quantification of material degradation and its behavior of elastodynamic Green’s function for computational wave field modeling in composites

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