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VIBRATION ABSORPTION FROM PLATES USING PERIODIC ADDITIVE ACOUSTIC BLACK HOLES

  • Jie Deng
  • , Xu Chen
  • , Yi Yang
  • , Zhaoye Qin
  • , Wenjie Guo
  • Chongqing Industry Polytechnic College
  • Ramon Llull University
  • Chongqing University
  • Southwest Jiaotong University
  • Tsinghua University
  • East China Jiaotong University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

We propose a composite structure with periodic additive acoustic black holes (ABH) to absorb vibrations from plates. Different from conventional embedded ABHs, this additive configuration no longer compromises structural integrity. A theoretical model is constructed to characterize the vibration of the coupled structure using Gaussian expansion method (GEM) and nullspace method (NSM). A finite plate with 4 × 4 cells has been examined. Results show that the additive ABHs can significantly mitigate the vibration of the host plate, even at low frequencies.

源语言英语
主期刊名Proceedings of the 30th International Congress on Sound and Vibration, ICSV 2024
编辑Wim van Keulen, Jim Kok
出版商Society of Acoustics
ISBN(电子版)9789090390581
出版状态已出版 - 2024
已对外发布
活动30th International Congress on Sound and Vibration, ICSV 2024 - Amsterdam, 荷兰
期限: 8 7月 202411 7月 2024

出版系列

姓名Proceedings of the International Congress on Sound and Vibration
ISSN(电子版)2329-3675

会议

会议30th International Congress on Sound and Vibration, ICSV 2024
国家/地区荷兰
Amsterdam
时期8/07/2411/07/24

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