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 …
A metamaterial consisting of an acoustic black hole plate with local resonators for broadband vibration reduction
Acoustic black hole (ABH) indentations on plates are very efficient to reduce high frequency
vibrations. However, when the wavelength of the im**ing bending waves on the ABH is …
vibrations. However, when the wavelength of the im**ing bending waves on the ABH is …
Low-frequency enhancement of acoustic black holes via negative stiffness supporting
Acoustic black holes (ABHs) attract increasing attention in the field of vibration suppression,
sound radiation control and energy harvesting. Though the ABH effect usually works well in …
sound radiation control and energy harvesting. Though the ABH effect usually works well in …
The ABH-based lattice structure for load bearing and vibration suppression
H Sheng, MX He, J Zhao, CT Kam, Q Ding… - International Journal of …, 2023 - Elsevier
Multifunctional 3D lattice structures with unconventional mechanical properties offer unique
material properties and broad applications in complex engineering environments. This …
material properties and broad applications in complex engineering environments. This …
Sound radiation and non-negative intensity of a metaplate consisting of an acoustic black hole plus local resonators
While acoustic black holes (ABHs) are well-known inefficient at low frequencies. However,
attaching periodic local resonators to form a metamaterial ABH (MMABH) plate could be …
attaching periodic local resonators to form a metamaterial ABH (MMABH) plate could be …
Vibration mitigation via integrated acoustic black holes
M Li, J Deng, L Zheng, S **ang - Applied Acoustics, 2022 - Elsevier
As a passive technology for vibration reduction, embedded acoustic black holes (EABHs)
have been extensively studied in the last decades. Due to the substantial decrease of …
have been extensively studied in the last decades. Due to the substantial decrease of …
A review on the research progress of mechanical meta-structures and their applications in rail transit
L Zhang, X Sheng - Intelligent Transportation Infrastructure, 2022 - academic.oup.com
Due to their light weight and excellent performance on vibration and noise control, novel
mechanical meta-structures are exhibiting increasingly extensive application prospects in …
mechanical meta-structures are exhibiting increasingly extensive application prospects in …
Nonlinear features and energy transfer in an Acoustic Black Hole beam through intentional electromechanical coupling
Abstract Acoustic Black Hole (ABH) phenomenon features unique wave retarding and
energy focusing of flexural waves inside thin-walled structures whose thickness follows a …
energy focusing of flexural waves inside thin-walled structures whose thickness follows a …
Acoustic black hole effect enhanced micro-manipulator
Q Yin, H Song, Z Wang, Z Ma, W Zhang - Microsystems & …, 2024 - nature.com
Microparticle manipulation is a critical concern across various fields including
microfabrication, flexible electronics and tissue engineering. Acoustic-activated sharp …
microfabrication, flexible electronics and tissue engineering. Acoustic-activated sharp …
Tunable shunting periodic acoustic black holes for low-frequency and broadband vibration suppression
Abstract Acoustic Black Holes (ABH) embedded within structures can efficiently damp
vibrations above the cut-on frequency but fails below it, particularly when the flexural …
vibrations above the cut-on frequency but fails below it, particularly when the flexural …