4D printed multi-stable metamaterials with mechanically tunable performance
R Tao, L Xi, W Wu, Y Li, B Liao, L Liu, J Leng… - Composite …, 2020 - Elsevier
The function of the metamaterials is determined by the configuration and spatial
arrangement of the lattice microstructure. Once manufactured, the geometry and function of …
arrangement of the lattice microstructure. Once manufactured, the geometry and function of …
Tuning negative stiffness mechanical metamaterial's snap-through behavior with a series-connected spring
Negative stiffness mechanical metamaterials have shown great promise for various
applications and are progressing toward programmability. The key challenge in designing …
applications and are progressing toward programmability. The key challenge in designing …
A general strategy for performance enhancement of negative stiffness mechanical metamaterials
Negative stiffness mechanical metamaterial possesses many interesting properties but fairly
low strength. Introducing filler appears to be an effective strategy to enhance the cellular …
low strength. Introducing filler appears to be an effective strategy to enhance the cellular …
Controlled snapping sequence and energy absorption in multistable mechanical metamaterial cylinders
Mechancial metamaterials comprising bistable unit cells utilize a sinusoidal beam to enable
significant deformation between stable states, which is associated with energy absorption. A …
significant deformation between stable states, which is associated with energy absorption. A …
Novel multidirectional negative stiffness mechanical metamaterials
This paper presents a novel tri-directional negative stiffness (NS) mechanical metamaterial,
consisting of disk structure elements arranged in three-dimensions. The NS behavior was …
consisting of disk structure elements arranged in three-dimensions. The NS behavior was …
Mechanical performance of multidirectional buckling-based negative stiffness metamaterials: an analytical and numerical study
C Ren, D Yang, H Qin - Materials, 2018 - mdpi.com
Unidirectional, bidirectional and tridirectional Buckling-based Negative Stiffness (BNS)
lattice metamaterials are designed by adding prefabricated curved beams into …
lattice metamaterials are designed by adding prefabricated curved beams into …
Effect of beam configuration on its multistable and negative stiffness properties
Multistable and negative stiffness mechanical metamaterials are promising and gain great
attention recently. Beam structure is the most commonly used negative stiffness element in …
attention recently. Beam structure is the most commonly used negative stiffness element in …
A systematic group of multidirectional buckling-based negative stiffness metamaterials
Q Li, D Yang, C Ren, X Mao - International Journal of Mechanical Sciences, 2022 - Elsevier
Negative stiffness (NS) metamaterials are kinds of artificial mechanical materials that exhibit
the negative stiffness effect governed by different mechanical mechanisms, among which …
the negative stiffness effect governed by different mechanical mechanisms, among which …
A minimalist elastic metamaterial with meta-damping mechanism
YL Chen, L Ma - International Journal of Solids and Structures, 2024 - Elsevier
A novel elastic mechanical metamaterial with extreme damping performance has been
achieved skillfully by coupling snap-through and pseudo-constant-force behaviors. The …
achieved skillfully by coupling snap-through and pseudo-constant-force behaviors. The …
Experimental and simulation investigation of the reversible bi-directional twisting response of tetra-chiral cylindrical shells
Chiral-type cells consisting of rigid nodes and rotatable ligaments provide an opportunity to
develop lightweight engineering structures with unique mechanical performances. For a 2D …
develop lightweight engineering structures with unique mechanical performances. For a 2D …