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Characterizing Dissipative Elastic Metamaterials Produced by Additive Manufacturing
Published on: June 28, 2024
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Recent advances in topological elastic metamaterials.
Hongbo Huang1, Jiujiu Chen1, Shaoyong Huo2
1State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, People's Republic of China.
Journal of Physics. Condensed Matter : an Institute of Physics Journal
|September 17, 2021
Summary
Topological elastic metamaterials offer robust waveguiding and sensing by harnessing topological phases. This review explores their physics, from 1D models to 3D topological insulators, highlighting engineering applications.
Area of Science:
- Condensed Matter Physics
- Materials Science
- Acoustics
Background:
- Topological phases are a frontier in condensed matter physics.
- Elastic metamaterials exhibit unique wave phenomena.
- Traditional metamaterials have limitations in robustness and defect insensitivity.
Purpose of the Study:
- To review the physical concepts of topological phases in elastic waves.
- To explore the development of topological elastic metamaterials.
- To highlight engineering applications and future directions.
Main Methods:
- Retrospective examination of topological concepts.
- Discussion of 1D, 2D, and 3D elastic metamaterial analogues.
- Survey of quantum Hall, pseudospin-Hall, and valley-Hall phase analogues.
Main Results:
- Elucidation of topologically ordered states for elastic waves.
- Demonstration of 1D, 2D, and 3D topological elastic metamaterials.
- Identification of applications like robust waveguiding and defect-insensitive signal processing.
Conclusions:
- Topological elastic metamaterials represent a significant advancement in materials science.
- These materials enable novel engineering applications due to their topological properties.
- The field shows promising future directions in exploring higher-order topological insulators.
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