Metamaterial-based absorbers for simultaneous absorption of air-borne sound and structural vibration

S Xu, P Sun, X Wang, C Zhao, Z Huang - International Journal of …, 2024 - Elsevier
In this work, the idea of metamaterial-based absorbers is further extended to develop the
concept of sound and vibration absorbers (SVA) capable of simultaneously absorbing sound …

[HTML][HTML] A Brief Review of Recent Research on Reversible Francis Pump Turbines in Pumped Storage Plants

X Mao, J Hu, Z Pan, P Zhong, N Zhang - Energies, 2025 - mdpi.com
As the core for energy conversion in pumped storage plants, the pump turbine is also a key
component in the process of building a clean power grid, owing to its fast and accurate load …

Modeling of single-process 3D-printed piezoelectric sensors with resistive electrodes: The low-pass filtering effect

T Košir, J Slavič - Polymers, 2022 - mdpi.com
Three-dimensional printing by material extrusion enables the production of fully functional
dynamic piezoelectric sensors in a single process. Because the complete product is finished …

Topological design of two-dimensional phononic crystals based on genetic algorithm

X Wen, L Kang, X Sun, T Song, L Qi, Y Cao - Materials, 2023 - mdpi.com
Phononic crystals are a kind of artificial acoustic metamaterial whose mass density and
elastic modulus are periodically arranged. The precise and efficient design of phononic …

A nonlinear acoustic metamaterial beam with tunable flexural wave band gaps

S Zhang, J Lou, H Fan, J Du - Engineering Structures, 2023 - Elsevier
Although linear acoustic metamaterials (LAMs) have been widely studied, the design and
analyses of nonlinear acoustic metamaterials (NAMs) are relatively immature. In this paper …

Transformative elastic metamaterials: Temperature-induced passband-to-bandgap conversion

X Zhang, J Zhang, T Liu, J Rong, L Chen… - International Journal of …, 2024 - Elsevier
Elastic metamaterials favor the wide bandgap generation, but their formation mechanisms
impose certain constraints on the achievable locations and widths. To overcome this …

An analytical method for broadband acoustic analysis of 2D cavities containing or bounded by porous materials

X Zhao, X Liu, J Guo - International Journal of Mechanical Sciences, 2025 - Elsevier
Real-life vibro-acoustic systems often involve porous treatments, resulting in complex-
valued and frequency-dependent models that are challenging to solve. Traditional …

[HTML][HTML] CVAE-based inverse design of two-dimensional honeycomb pentamode metastructure for acoustic cloaking

G Li, L Tang, V Sorokin, S Wang - Thin-Walled Structures, 2025 - Elsevier
In this work, a method for inverse design of two-dimensional honeycomb pentamode
metastructures (HPM) based on the Conditional Variational Auto-Encoder (CVAE) is …

Ultra-low frequency and broadband flexural wave attenuation using an inertant nonlinear metamaterial beam

J Lou, S Zhang, H Fan, X Fang, J Du - Engineering Structures, 2025 - Elsevier
Attenuation of elastic waves in the extremely low frequency range is a considerable
challenge. While linear acoustic metamaterials can manipulate elastic waves, their …

Dual-band filtering and enhanced directional via tunable acoustic metamaterial antennas

J Xiao, X Ding, H Pan, Y Zhang, Q He… - Smart Materials and …, 2024 - iopscience.iop.org
The detection of acoustic signals in strong background noise plays a crucial role in industrial
non-destructive, mechanical equipment health monitoring and acoustic communication. The …