Temperature controlled quasi-zero-stiffness metamaterial beam for broad-range low-frequency band tuning

Z Li, K Wang, T Chen, L Cheng, D Xu, J Zhou - International Journal of …, 2023 - Elsevier
Despite their engineering significance, locally resonant metamaterials are facing the
challenge to cope with the need for broad-range band gap adjustment at low-frequencies …

Advances in tunable bandgaps of piezoelectric phononic crystals

Y Wang, X Xu, L Li - Materials, 2023 - mdpi.com
Bandgaps of traditional phononic crystals (PCs) are determined using structural geometric
parameters and material properties, and they are difficult to tune in practical applications …

[HTML][HTML] Deep learning aided topology optimization of phononic crystals

P Kudela, A Ijjeh, M Radzienski, M Miniaci… - … Systems and Signal …, 2023 - Elsevier
In this work, a novel approach for the topology optimization of phononic crystals based on
the replacement of the computationally demanding traditional solvers for the calculation of …

Bio-inspired non self-similar hierarchical elastic metamaterials

M Mazzotti, A Foehr, OR Bilal, A Bergamini… - International Journal of …, 2023 - Elsevier
Hierarchy provides unique opportunities for the design of advanced materials with superior
properties that arise from architecture, rather than from constitutive material response …

Buckling induced negative stiffness mechanical metamaterial for bandgap tuning

K Zhang, L Qi, P Zhao, C Zhao, Z Deng - Composite Structures, 2023 - Elsevier
Negative-stiffness mechanical metamaterials that can achieve bandgap tuning are a novel
area of intense interest, enabling vibration control as well as a wide range of mechanical …

On band gap and damping of metamaterials involving negative-stiffness elements

C Mei, L Li, Y Jiang, Y Ye, X Li, X Han, H Tang… - International Journal of …, 2023 - Elsevier
This study proposes a viscoelastic metamaterial containing negative-stiffness elements,
which exhibits both a damping enhancement effect and a tunable ultra-low frequency band …

[HTML][HTML] Microstructural design for elastic wave attenuation in 3D printed nacre-like bioinspired metamaterials lightened with hollow platelets

U De Maio, F Greco, R Luciano, G Sgambitterra… - Mechanics Research …, 2023 - Elsevier
In this work, the wave propagation properties of lightened bioinspired composite materials
are investigated. A new lightened nacre-like microstructure is proposed demonstrating that …

Broadband manipulation of flexural waves based on phase-modulated elastic metasurfaces

Y Hu, M Li, H Liu, B Li - Engineering Structures, 2023 - Elsevier
As an innovative planar artificial structure, elastic metasurface exhibits great potential in the
application fields of vibration and noise control. By virtue of the superior performance of …

Design and three-dimensional printing of carbon-fiber-composite elastic metamaterials with inertial amplification mechanisms

K Mizukami, K Funaba, K Ogi - Journal of Sound and Vibration, 2021 - Elsevier
Elastic metamaterials with inertial amplification mechanisms reinforced by continuous
carbon fibers were proposed to achieve lightweight structures with a wide band gap in the …

Experimental characterization and mechanical modeling of additively manufactured TPU components of innovative seismic isolators

J de Castro Motta, S Qaderi, I Farina, N Singh… - Acta Mechanica, 2024 - Springer
This work presents an experimental and mechanical study on the tensile response of 3D-
printed thermoplastic polyurethane membranes, to be used as stretchable members of novel …