The method of reverberation-ray matrix (MRRM) combined with the Floquet–Bloch theorem, which serves as an alternative method, is presented for accurately analyzing longitudinal waves in general periodic multiphase rods. Closed-form dispersion relation of periodic quaternary rods is derived. Based on this relation, the functions of constituent-rod parameters in the formation of longitudinal-wave band structures are analytically revealed. Numerical examples validate the proposed method and indicate the characteristics/applications of all kinds of dispersion curves that include the frequency-wave number spectra, the frequency-wavelength spectra, the frequency-phase velocity spectra, the wave number-phase velocity spectra and the wavelength-phase velocity spectra. The effect of unit-cell layout on the frequency band properties and the functions of constituent-rod parameters in the band structure formation are also illustrated numerically. The analysis and interpretation of longitudinal waves in periodic multiphase rods given in this paper will push forward the design of periodic structures for longitudinal wave filtering/guiding and vibration isolation/control applications.
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Complex Systems;
College of Engineering,
Peking University,
Environment in Western China,
Ministry of Education,
School of Civil Engineering and Mechanics,
Lanzhou University,
e-mail: guoyq@lzu.edu.cn
Complex Systems,
College of Engineering,
Peking University,
Article navigation
February 2014
Research-Article
Analysis and Interpretation of Longitudinal Waves in Periodic Multiphase Rods Using the Method of Reverberation-Ray Matrix Combined With the Floquet-Bloch Theorem
Y. Q. Guo,
Complex Systems;
College of Engineering,
Peking University,
Environment in Western China,
Ministry of Education,
School of Civil Engineering and Mechanics,
Lanzhou University,
e-mail: guoyq@lzu.edu.cn
Y. Q. Guo
State Key Laboratory of Turbulence and
Complex Systems;
College of Engineering,
Peking University,
Beijing 100871, China;
Key Laboratory of Mechanics on Disaster and
Environment in Western China,
Ministry of Education,
School of Civil Engineering and Mechanics,
Lanzhou University,
Lanzhou 730000, China
e-mail: guoyq@lzu.edu.cn
Search for other works by this author on:
D. N. Fang
Complex Systems,
College of Engineering,
Peking University,
D. N. Fang
State Key Laboratory of Turbulence and
Complex Systems,
College of Engineering,
Peking University,
Beijing 100871
, China
Search for other works by this author on:
Y. Q. Guo
State Key Laboratory of Turbulence and
Complex Systems;
College of Engineering,
Peking University,
Beijing 100871, China;
Key Laboratory of Mechanics on Disaster and
Environment in Western China,
Ministry of Education,
School of Civil Engineering and Mechanics,
Lanzhou University,
Lanzhou 730000, China
e-mail: guoyq@lzu.edu.cn
D. N. Fang
State Key Laboratory of Turbulence and
Complex Systems,
College of Engineering,
Peking University,
Beijing 100871
, China
Contributed by the Design Engineering Division of ASME for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received December 1, 2012; final manuscript received September 4, 2013; published online October 23, 2013. Assoc. Editor: Michael Leamy.
J. Vib. Acoust. Feb 2014, 136(1): 011006 (13 pages)
Published Online: October 23, 2013
Article history
Received:
December 1, 2012
Revision Received:
September 4, 2013
Citation
Guo, Y. Q., and Fang, D. N. (October 23, 2013). "Analysis and Interpretation of Longitudinal Waves in Periodic Multiphase Rods Using the Method of Reverberation-Ray Matrix Combined With the Floquet-Bloch Theorem." ASME. J. Vib. Acoust. February 2014; 136(1): 011006. https://doi.org/10.1115/1.4025438
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