Topological cavities in phononic plates for robust energy harvesting

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Zhihui Wen
  • Yabin Jin
  • Penglin Gao
  • Xiaoying Zhuang
  • Timon Rabczuk
  • Bahram Djafari-Rouhani

Research Organisations

External Research Organisations

  • Tongji University
  • Universidad Carlos III de Madrid
  • Bauhaus-Universität Weimar
  • Lille 1 University of Science and Technology
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Details

Original languageEnglish
Article number108047
JournalMechanical Systems and Signal Processing
Volume162
Early online date29 May 2021
Publication statusPublished - 1 Jan 2022

Abstract

Piezoelectric energy harvesting has attracted tremendous interest for designing sustainable self-powered devices/systems targeted to special environment such as wireless or wearable applications. The traditional cavity (e.g., phononic cavity mode) excitation is highly applicable in terms of sufficient power generation, nevertheless, has to endure the drawback of extremely poor robustness intrinsic to the trivial cavity modes. We propose to use phononic thin plate systems for robust energy harvesting application relying on zero-dimensional cavities confined by the Kekulé distorted topological vortices. The harvesting power induced by topological cavities is about 30 times that of the bare plate. Further studies on the effects of deliberately introduced defects on the output power show that the proposed energy harvesting system is highly robust against symmetry-preserving defects, and is less influenced even for symmetry-breaking defects at moderate perturbation level. Beyond the reported energy harvesting application, we foresee that our work may open avenues for robust operations in the realm of wireless sensing and structural health monitoring.

Keywords

    Energy harvesting, Phononic thin plate, Piezoelectricity, Robustness, Topological cavity

ASJC Scopus subject areas

Cite this

Topological cavities in phononic plates for robust energy harvesting. / Wen, Zhihui; Jin, Yabin; Gao, Penglin et al.
In: Mechanical Systems and Signal Processing, Vol. 162, 108047, 01.01.2022.

Research output: Contribution to journalArticleResearchpeer review

Wen, Z., Jin, Y., Gao, P., Zhuang, X., Rabczuk, T., & Djafari-Rouhani, B. (2022). Topological cavities in phononic plates for robust energy harvesting. Mechanical Systems and Signal Processing, 162, Article 108047. https://doi.org/10.1016/j.ymssp.2021.108047
Wen Z, Jin Y, Gao P, Zhuang X, Rabczuk T, Djafari-Rouhani B. Topological cavities in phononic plates for robust energy harvesting. Mechanical Systems and Signal Processing. 2022 Jan 1;162:108047. Epub 2021 May 29. doi: 10.1016/j.ymssp.2021.108047
Wen, Zhihui ; Jin, Yabin ; Gao, Penglin et al. / Topological cavities in phononic plates for robust energy harvesting. In: Mechanical Systems and Signal Processing. 2022 ; Vol. 162.
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AU - Rabczuk, Timon

AU - Djafari-Rouhani, Bahram

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