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 …

Piezoelectric nanogenerator (PENG) was first introduced by using piezoelectric nanowires
for converting tiny mechanical energy into electric power. 1 Research in nanogenerators has …

Acoustic black holes (ABHs) achieved by thinning structural thickness following a power-law
profile have shown fantastic applications in vibration and noise suppression, energy …

A critical challenge in energy harvesting has been insufficient sustainable power generation
for practical applications, despite the benefits of self-powering and green-enabling …

The acoustic black hole (ABH) effect in waveguides is studied using frequency-domain finite
element simulations of a cylindrical waveguide with an embedded ABH termination …

Although the topological interfaces in periodic acoustic black holes (ABHs) have been
theoretically reported, there is no published experimental evidence to support this. In this …

The phenomenon of acoustic black hole (ABH) exhibits unique and appealing features
when bending waves propagate along a structure with a tailored power-law thickness …

The waveguide acoustic black hole (WAB) effect is a promising approach for controlling
wave propagation in various applications, especially for attenuating sound waves. While the …

A lightweight-high-stiffness beam insulator embedded with graded double-leaf acoustic
black holes (G-DABHs) was designed and fabricated to mitigate broadband low-frequency …

Recently, acoustic black holes (ABHs) have been widely used for vibration and noise
reduction. Compared with a single ABH, multiple ABHs embedded in a structure can …