Titre :

Topological surface wave metamaterials for robust vibration attenuation and energy harvesting

Auteur(s) :

Wu, X. [Auteur]
Jin, Y. []
Khelif, A. [Auteur]
Zhuang, X. []
Rabczuk, T. [Auteur]
Djafari-Rouhani, Bahram [Auteur]
Physique - IEMN [PHYSIQUE - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]

Titre de la revue :

Mechanics of Advanced Materials and Structures

Éditeur :

Taylor & Francis

Date de publication :

2021

ISSN :

1537-6494

Mot(s)-clé(s) en anglais :

energy harvesting
robustness
Surface wave metamaterial
topological insulator
vibration attenuation

Discipline(s) HAL :

Sciences de l'ingénieur [physics]

Résumé en anglais : [en]

We propose topological metamaterials working in Hertz frequency range, constituted of concrete pillars on the soil ground in a honeycomb lattice. Based on the analog of the quantum valley Hall effect, a non-trivial bandgap ...
Lire la suite >We propose topological metamaterials working in Hertz frequency range, constituted of concrete pillars on the soil ground in a honeycomb lattice. Based on the analog of the quantum valley Hall effect, a non-trivial bandgap is formed by breaking the inversion symmetry of the unit cell. A topological interface is created between two different crystal phases whose robustness against various defects and disorders is quantitatively analyzed. Finally, we take advantage of the robust and compact topological edge state for designing a harvesting energy device. The results demonstrate the functionality of the proposed structure for both robust surface vibration reduction and energy harvesting. © 2021 Taylor and Francis Group, LLC.Lire moins >

Langue :

Anglais

Comité de lecture :

Oui

Audience :

Internationale

Vulgarisation :

Non

Collections :

• Institut d'Électronique, de Microélectronique et de Nanotechnologie (IEMN) - UMR 8520

Source :

Harvested from HAL

Date de dépôt :

2022-01-28T05:01:38Z