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Solid metamaterials for broadband acoustic and elastic wave control

  • Xiaoming Zhou*
  • , Yong Cheng
  • , Yuchen Zhao
  • , Linlin Geng
  • , Jiahui Huang
  • *Corresponding author for this work
  • Key Laboratory of Dynamics and Control of Flight Vehicles
  • Beijing Institute of Technology

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Solid materials with anisotropic stiffness and inertial mass simultaneously, which we denote as 'dual anisotropy', are critical for manipulating acoustic and elastic wave propagation. Usually, anisotropic mass is designed through the concept of resonance, thereby is available only in the narrow frequency band. In this work, we have designed all-solid metamaterials with nearly dispersionless dual-anisotropic properties in a broad frequency range. Results have been validated through the band-structure and effective-medium analyses. These studies pave the way to the technological realization of broadband solid metamaterials with potential applications to acoustic and elastic wave controlling.

Original languageEnglish
Title of host publication25th International Congress on Sound and Vibration 2018, ICSV 2018
Subtitle of host publicationHiroshima Calling
PublisherInternational Institute of Acoustics and Vibration, IIAV
Pages2244-2245
Number of pages2
ISBN (Electronic)9781510868458
Publication statusPublished - 2018
Event25th International Congress on Sound and Vibration 2018: Hiroshima Calling, ICSV 2018 - Hiroshima, Japan
Duration: 8 Jul 2018 → 12 Jul 2018

Publication series

Name25th International Congress on Sound and Vibration 2018, ICSV 2018: Hiroshima Calling
Volume4

Conference

Conference25th International Congress on Sound and Vibration 2018: Hiroshima Calling, ICSV 2018
Country/TerritoryJapan
CityHiroshima
Period8/07/18 → 12/07/18

Keywords

  • Dual-anisotropic
  • Metamaterials
  • Non-dispersive
  • Transformation
  • Wave controlling

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