In this study, we investigated dispersion curves and the band gap structure of a multiresonator mass-in-mass lattice system. The unit cell of the lattice system consists of three separate masses connected by linear springs. It was demonstrated that the band gaps can be shifted by varying the spring constant and the magnitude of the internal masses. By using the conventional monatomic (single mass) lattice model as an equivalent system, the effective mass was found to become negative for frequencies in the band gaps. An attempt was made to represent the two-resonator mass-in-mass lattice with a microstructure continuum model. It was found that the microstructure continuum model can capture the dispersive behavior and band gap structure of the original two-resonator mass-in-mass system.
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e-mail: glhuang@ualr.edu
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June 2010
Research Papers
Band Gaps in a Multiresonator Acoustic Metamaterial
G. L. Huang,
G. L. Huang
Department of Systems Engineering,
e-mail: glhuang@ualr.edu
University of Arkansas at Little Rock
, Little Rock, AR 72204
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C. T. Sun
C. T. Sun
School of Aeronautics and Astronautics,
Purdue University
, W. Lafayette, IN 47907
Search for other works by this author on:
G. L. Huang
Department of Systems Engineering,
University of Arkansas at Little Rock
, Little Rock, AR 72204e-mail: glhuang@ualr.edu
C. T. Sun
School of Aeronautics and Astronautics,
Purdue University
, W. Lafayette, IN 47907J. Vib. Acoust. Jun 2010, 132(3): 031003 (6 pages)
Published Online: April 14, 2010
Article history
Received:
March 11, 2009
Revised:
October 8, 2009
Online:
April 14, 2010
Published:
April 14, 2010
Citation
Huang, G. L., and Sun, C. T. (April 14, 2010). "Band Gaps in a Multiresonator Acoustic Metamaterial." ASME. J. Vib. Acoust. June 2010; 132(3): 031003. https://doi.org/10.1115/1.4000784
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