A review of energy harvesting using piezoelectric materials: state-of-the-art a decade later (2008–2018)
Energy harvesting technologies have been explored by researchers for more than two
decades as an alternative to conventional power sources (eg batteries) for small-sized and …
decades as an alternative to conventional power sources (eg batteries) for small-sized and …
The acoustic black hole: A review of theory and applications
Abstract The Acoustic Black Hole (ABH) is a technique for passive vibration control that was
recently developed within the Structural Dynamics and Vibroacoustics communities. From a …
recently developed within the Structural Dynamics and Vibroacoustics communities. From a …
Broadband vibration suppression of rainbow metamaterials with acoustic black hole
W Gao, Z Qin, F Chu - International Journal of Mechanical Sciences, 2022 - Elsevier
Acoustic black hole (ABH) structures have been widely utilized for vibration suppression
owing to its tailored indentations according to a power-law profile. Compared with single …
owing to its tailored indentations according to a power-law profile. Compared with single …
Ultrawide attenuation bands in gradient metabeams with acoustic black hole pillars
J Deng, N Gao, X Chen - Thin-Walled Structures, 2023 - Elsevier
In this letter, it is suggested to attach acoustic black holes (ABHs) on a base beam with
gradient parameters for wave attenuation in ultrawide bands. Three types of metabeams …
gradient parameters for wave attenuation in ultrawide bands. Three types of metabeams …
Research and applications of viscoelastic vibration dam** materials: A review
This paper presents a comprehensive review of the various research methods and theory
calculation models that are employed in engineering to study the static and dynamic …
calculation models that are employed in engineering to study the static and dynamic …
Complex band structure and evanescent Bloch wave propagation of periodic nested acoustic black hole phononic structure
N Gao, B Wang, K Lu, H Hou - Applied Acoustics, 2021 - Elsevier
In this study, the periodic nested acoustic black hole phononic structure is presented, and
different complex band structures and corresponding evanescent Bloch wave propagation …
different complex band structures and corresponding evanescent Bloch wave propagation …
[HTML][HTML] Roadmap on nanogenerators and piezotronics
Piezoelectric nanogenerator (PENG) was first introduced by using piezoelectric nanowires
for converting tiny mechanical energy into electric power. 1 Research in nanogenerators has …
for converting tiny mechanical energy into electric power. 1 Research in nanogenerators has …
[HTML][HTML] Design and experimental investigation of V-folded beams with acoustic black hole indentations
N Gao, Z Wei, H Hou, AO Krushynska - The Journal of the Acoustical …, 2019 - pubs.aip.org
This paper proposes a strategy to broaden complete bandgap attenuating flexural and
longitudinal modes, and to shift them to lower frequencies by spatially folding designs …
longitudinal modes, and to shift them to lower frequencies by spatially folding designs …
Characterization of acoustic black hole effect using a one-dimensional fully-coupled and wavelet-decomposed semi-analytical model
Abstract Acoustics Black Hole (ABH) effect shows promising features for potential vibration
control and energy harvesting applications. The phenomenon occurs in a structure with …
control and energy harvesting applications. The phenomenon occurs in a structure with …
Numerical analysis of the vibroacoustic properties of plates with embedded grids of acoustic black holes
The concept of an Acoustic Black Hole (ABH) has been developed and exploited as an
approach for passively attenuating structural vibration. The basic principle of the ABH relies …
approach for passively attenuating structural vibration. The basic principle of the ABH relies …