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| H Sun, J Li, Z Li, and Ying Li, “Theory and Experiment Research of Two-Dimension Acoustic Metamaterial,” SPIE Int Soc Opt Eng Conference, San Diego, CA, March 10-13, 2013 |
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Accession number: 20132316395861 Title: Theory and experiment research of two-dimension acoustic metamaterial Authors: Sun, Hongwei1, 2; Li, JianFeng1; Li, Zhiming1; Li, Ying2 Author affiliation: 1 Jiangsu Automation Research Institute, Lianyungang 222006, China 2 Nanjing University of Science and Technology, Nanjing 210094, China Corresponding author: Sun, H. Source title: Proceedings of SPIE - The International Society for Optical Engineering Abbreviated source title: Proc SPIE Int Soc Opt Eng Volume: 8688 Monograph title: Active and Passive Smart Structures and Integrated Systems 2013 Issue date: 2013 Publication year: 2013 Article number: 868829 Language: English ISSN: 0277786X CODEN: PSISDG ISBN-13: 9780819494719 Document type: Conference article (CA) Conference name: Active and Passive Smart Structures and Integrated Systems 2013 Conference date: March 10, 2013 - March 14, 2013 Conference location: San Diego, CA, United states Conference code: 97214 Sponsor: The Society of Photo-Optical Instrumentation Engineers (SPIE); American Society of Mechanical Engineers Publisher: SPIE, P.O. Box 10, Bellingham, WA 98227-0010, United States Abstract: This paper presents modeling and analysis methods for design of a acoustic metamaterial panel consisting of two isotropic plates and small membrane-mass subsystems for absorption of low frequencies transverse elastic waves. Two models of a unit cell are derived and used to demonstrate the existence of negative effective material properties. Moreover, the design of experiment sample confirms that the model and analysis methods are valid. (1) The frequency of the membrane-mass subsystems are uniform distribution in whole acoustic metamaterial panel have two vibration models. (2) The different distributions of membrane-mass subsystems and their resonance frequencies result in different vibration isolation characteristics. (3) PSV is used to test and the result show that a low frequency wave absorber does not require nano-manufacturing techniques. (4) If we design the frequency of the membrane-mass subsystems different it can change the character of the metamaterial panel. © 2013 SPIE. Number of references: 19 Main heading: Metamaterials Controlled terms: Elastic waves - Integrated control - Membranes Uncontrolled terms: Acoustic metamaterial - Different distributions - Effective material property - Membrane-mass subsystems - Modeling and analysis - Resonance frequencies - Transverse elastic waves - Vibration model Classification code: 731.1 Control Systems - 751.1 Acoustic Waves - 951 Materials Science DOI: 10.1117/12.2012162 Database: Compendex Compilation and indexing terms, © 2015 Elsevier Inc. |
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