A novel sandwich structure for integrated sound insulation and absorption

HZ Li, JS Yang, Q Liu, S Li, XC Liu, F Yang… - International Journal of …, 2024 - Elsevier
The sandwich structure composed of acoustic metamaterials and supports with superior
mechanical and acoustic properties has an extremely broad development prospect in …

Broadband multifrequency vibration attenuation of an acoustic metamaterial beam with two-degree-of-freedom nonlinear bistable absorbers

J Zhang, J Zhang, B Zhang, Y An, X Yang, N Hu… - … Systems and Signal …, 2024 - Elsevier
In this study, we propose an acoustic metamaterial beam with periodically mounted two-
degree-of-freedom (2-DOF) nonlinear bistable absorbers (TNBA) to achieve broadband …

[HTML][HTML] Self-aware active metamaterial cell 3D-printed in a single process

T Košir, M Zupan, J Slavič - International Journal of Mechanical Sciences, 2024 - Elsevier
Metamaterials are capable of attenuating undesired mechanical vibrations within a narrow
band-gap frequency range; however, real-world applications often require adjustments due …

Uncertainty quantification of acoustic metamaterial bandgaps with stochastic material properties and geometric defects

H Zhang, RK Mahabadi, C Rudin, J Guilleminot… - Computers & …, 2024 - Elsevier
Acoustic metamaterials are a subject of increasing study and utility. Through designed
combinations of geometries with material properties, acoustic metamaterials can be built to …

Laminated acoustic metamaterials for low-frequency broadband ultra-strong sound insulation

H Li, Z Tang, G Zuo, F Ma - Thin-Walled Structures, 2024 - Elsevier
In this paper, a kind of laminated acoustic metamaterials (LAMS), which can realize the
bandwidth widening and amplitude improvement through the parallel coupling of in-plane …