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【答案】应助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★
感谢参与，应助指数 +1
sunhw_hit: 金币+10, ★★★★★最佳答案, 谢谢 2015-04-22 10:45:27
sunshan4379: LS-EPI+1, 感谢应助！ 2015-04-22 11:57:13
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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