Active elastic metamaterials with applications in vibration and acoustics
Active elastic metamaterials with applications in vibration and acoustics
Elastic metamaterials provide a new approach to solving existing problems in vibration and acoustics. They have also been associated with novel concepts such as acoustic invisibility and subwavelength imaging. To be applied to many of the proposed applications a metamaterial would need to have the desired mass density and elastic moduli over a prescribed frequency band. Importantly active metamaterials provide a degree of adaptability. This paper will focus on extending a previous theoretical concept to a more realistic experimental design. This will include a consideration of the problems which arise when the theory and simulation are developed into an experimental demonstration, including the role which the control system dynamics play in the achievable performance. The adaptability of the bandwidth in which the properties achieve their desired values will also be investigated.
Pope, Simon A.
53a06889-86dd-4df2-810d-a09b56aab53e
Laalej, Hatim
9305111a-de32-4f4b-aec4-079e6730769c
Daley, Stephen
53cef7f1-77fa-4a4c-9745-b6a0ba4f42e6
Reynolds, Matthew
0627295a-25d1-40b0-aba3-e1a3fe82c80e
19 August 2012
Pope, Simon A.
53a06889-86dd-4df2-810d-a09b56aab53e
Laalej, Hatim
9305111a-de32-4f4b-aec4-079e6730769c
Daley, Stephen
53cef7f1-77fa-4a4c-9745-b6a0ba4f42e6
Reynolds, Matthew
0627295a-25d1-40b0-aba3-e1a3fe82c80e
Pope, Simon A., Laalej, Hatim, Daley, Stephen and Reynolds, Matthew
(2012)
Active elastic metamaterials with applications in vibration and acoustics.
Internoise 2012, New York, United States.
19 - 22 Aug 2012.
12 pp
.
Record type:
Conference or Workshop Item
(Paper)
Abstract
Elastic metamaterials provide a new approach to solving existing problems in vibration and acoustics. They have also been associated with novel concepts such as acoustic invisibility and subwavelength imaging. To be applied to many of the proposed applications a metamaterial would need to have the desired mass density and elastic moduli over a prescribed frequency band. Importantly active metamaterials provide a degree of adaptability. This paper will focus on extending a previous theoretical concept to a more realistic experimental design. This will include a consideration of the problems which arise when the theory and simulation are developed into an experimental demonstration, including the role which the control system dynamics play in the achievable performance. The adaptability of the bandwidth in which the properties achieve their desired values will also be investigated.
Text
internoise_2012_final.pdf
- Accepted Manuscript
More information
Published date: 19 August 2012
Additional Information:
Funded by EPSRC: A PRACTICAL SOLUTION TO CREATING NEGATIVE REFRACTION (EP/J003816/1)
Venue - Dates:
Internoise 2012, New York, United States, 2012-08-19 - 2012-08-22
Organisations:
Signal Processing & Control Grp
Identifiers
Local EPrints ID: 345924
URI: http://eprints.soton.ac.uk/id/eprint/345924
PURE UUID: 63fed298-eb45-4b2d-b50b-30f81eab390a
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Date deposited: 07 Dec 2012 10:10
Last modified: 14 Mar 2024 12:31
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Contributors
Author:
Simon A. Pope
Author:
Hatim Laalej
Author:
Matthew Reynolds
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