Related Experiment Video
Updated: Sep 15, 2025
13:44
Simulation, Fabrication and Characterization of THz Metamaterial Absorbers
Published on: December 27, 2012
15.5K
Multistable metamaterials enabled by arched beams for high-efficiency energy absorption.
Wenlong Liu1,2,3, Xiaojun Tan4, Sen Yan2
1College of Mechanical and Intelligent Manufacturing, Central South University of Forestry and Technology, Changsha 410004, PR China.
Materials Horizons
|July 17, 2025
Summary
Researchers developed novel multistable metamaterials using bistable arched beams for superior energy absorption. These materials offer customizable impact protection under both compression and tension, advancing energy-absorbing technology.
Area of Science:
- Materials Science
- Mechanical Engineering
- Metamaterials
Background:
- Energy-absorbing materials are crucial for impact protection.
- Multistable metamaterials offer unique energy absorption advantages but face development challenges.
- Bistable primitives are key components in multistable metamaterial design.
Purpose of the Study:
- To propose and investigate a novel energy-absorbing metamaterial utilizing bistable arched beams.
- To achieve efficient energy absorption and multistable behavior in metamaterials.
- To enable customizable energy-absorbing features for impact protection applications.
Main Methods:
- Design and simulation of metamaterials composed of bistable arched beams.
- Experimental validation of the proposed metamaterial's performance.
- Analysis of energy absorption under compressive and tensile loadings.
Main Results:
- The proposed metamaterial effectively exhibits multistable behavior.
- Efficient energy absorption was demonstrated through simulations and experiments.
- Customizable energy-absorbing features were achieved for varied loading conditions.
Conclusions:
- Bistable arched beams enable highly efficient energy-absorbing multistable metamaterials.
- The developed metamaterials offer versatile impact protection solutions.
- This research opens new pathways for arch-based multistable metamaterial development.
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