A reprogrammable mechanical metamaterial with origami functional-group transformation and ring reconfiguration [PDF]
Nature Communications, 2023 Recent advancements in reprogrammable metamaterials have enabled the development of intelligent matters with variable special properties in situ.
Xinyu Hu +3 more
doaj +2 more sources
Automatic design of mechanical metamaterial actuators [PDF]
Nature Communications, 2020 Efficient strategies to optimize metamaterial design for specific applications are urgently needed despite the rapid progress in this area. Here the authors propose a computational method combining an optimization algorithm with discrete element ...
Silvia Bonfanti +4 more
doaj +2 more sources
Near‐Isotropic, Extreme‐Stiffness, Continuous 3D Mechanical Metamaterial Sequences Using Implicit Neural Representation [PDF]
Advanced ScienceMechanical metamaterials represent a distinct category of engineered materials characterized by their tailored density distributions to have unique properties.
Yunkai Zhao +7 more
doaj +2 more sources
Inverse Design of Highly Deformable Mechanical Metamaterial Based on Partitional Semi‐Random Optimization [PDF]
Advanced ScienceThe flexible mechanical metamaterial leverages the reversible large deformation of its lattice unit cells to transfer force, motion, and energy.
Xueqing Cao +4 more
doaj +2 more sources
Design and Visualization of a Hierarchical Metamaterial with Tunable Stiffness [PDF]
ResearchMetamaterials with stiffness tunability have demonstrated great potential in mechanical systems that operate in variable environments. However, most existing stiffness-tunable metamaterials exhibit high-dimensional and nonlinear structure–property ...
Kaili Xi +5 more
doaj +2 more sources
A mathematically defined 3D auxetic metamaterial with tunable mechanical and conduction properties
Materials & Design, 2021 An auxetic metamaterial is a type of mechanical metamaterial that has a negative Poisson's ratio. Most auxetic metamaterials are truss-based or originate from Boolean operations of simple geometries.
Xiaoyang Zheng +2 more
doaj +1 more source
Active mechanical metamaterial with embedded piezoelectric actuation
APL Materials, 2022 Metamaterials are artificially structured materials and exhibit properties that are uncommon or non-existent in nature. Mechanical metamaterials show exotic mechanical properties, such as negative stiffness, vanishing shear modulus, or negative Poisson’s
N. S. Saravana Jothi, A. Hunt
doaj +1 more source
Design and simulation of gear transmission system based on metamaterial
AIP Advances, 2023 In this research, we integrate a three-dimensional micro-/nano-lattice structure metamaterial with conventional helical gears using a composite method to reduce the vibration.
Shuihai Dou +5 more
doaj +1 more source
Stacked-origami mechanical metamaterial with tailored multistage stiffness
Materials & Design, 2021 Origami-based metamaterial has shown remarkable mechanical properties rarely found in natural materials, but achieving tailored multistage stiffness is still challenging.
Guilin Wen +5 more
doaj +1 more source
IEEE Access, 2021 A deep learning model trained under a specific operating condition of the gearbox often experiences an overfitting problem, which makes it impossible to diagnose faults under different operating conditions.
Jong Moon Ha, Byeng D. Youn
doaj +1 more source