Fabrication and crushing response of graded re-entrant circular auxetic honeycomb
F Jiang, S Yang, Y Zhang, C Qi, S Chen - International Journal of …, 2023 - Elsevier
As lightweight energy-absorbing materials, auxetic honeycombs have demonstrated
promising applications in engineering fields. In this study, the graded re-entrant circular …
promising applications in engineering fields. In this study, the graded re-entrant circular …
3D-printed programmable mechanical metamaterials for vibration isolation and buckling control
Vibration isolation performance at low-frequency ranges before resonance is a vital
characteristic that conventional springs cannot exhibit. This paper introduces a novel zero …
characteristic that conventional springs cannot exhibit. This paper introduces a novel zero …
A novel metamaterial with individually adjustable and sign-switchable Poisson's ratio
W Lv, L Dong, D Li - European Journal of Mechanics-A/Solids, 2023 - Elsevier
In recent studies, some structures with alternating positive and negative Poisson's ratio have
been proposed, which provides a new direction for structural design. The novelty of this …
been proposed, which provides a new direction for structural design. The novelty of this …
Bifunctional metamaterials incorporating unusual geminations of Poisson's ratio and coefficient of thermal expansion
Z Han, X **ao, J Chen, K Wei, Z Wang… - … Applied Materials & …, 2022 - ACS Publications
Natural materials overwhelmingly shrink laterally under stretching and expand upon
heating. Through incorporating Poisson's ratio and coefficient of thermal expansion (PR and …
heating. Through incorporating Poisson's ratio and coefficient of thermal expansion (PR and …
[HTML][HTML] Large strain zero Poisson's ratio spring cell metamaterial with critical defect analysis and variable stiffness distributions
This paper presents novel metamaterial skins formed by 3D Spring Cells exhibiting zero
Poisson's ratio in two directions with no stress concentration on joints. Precise CAD models …
Poisson's ratio in two directions with no stress concentration on joints. Precise CAD models …
Design and analysis of novel negative stiffness structures with significant energy absorption
Negative stiffness structures (NSS) are a type of mechanical metamaterials that absorb
energy via buckling of negative stiffness members. However, these structures have …
energy via buckling of negative stiffness members. However, these structures have …
Advancing programmable metamaterials through machine learning-driven buckling strength optimization
Metamaterials are specially engineered materials distinguished by their unique properties
not typically seen in naturally occurring materials. However, the challenge lies in achieving …
not typically seen in naturally occurring materials. However, the challenge lies in achieving …
Concurrent shape optimization of a multiscale structure for controlling macrostructural stiffness
We propose a novel shape optimization method for designing a multiscale structure with the
desired stiffness. The shapes of the macro-and microstructures are concurrently optimized …
desired stiffness. The shapes of the macro-and microstructures are concurrently optimized …
Shape morphing structures inspired by multi-material topology optimized bi-functional metamaterials
Z Han, Z Wang, K Wei - Composite Structures, 2022 - Elsevier
Shape morphing structures consisted of the metamaterials would present desired morphing
reaction in response to the external stimuluses and thus attract numerous attentions …
reaction in response to the external stimuluses and thus attract numerous attentions …
Micropore shape optimization of porous laminated shell structures
In this study, we propose a micropore shape optimization method for designing porous
laminated shell structures. The homogenization method is used to bridge the macrostructure …
laminated shell structures. The homogenization method is used to bridge the macrostructure …