Paper Title:
Flexural Vibration Band Gaps in a Ternary Phononic Crystal Thin Plate
  Abstract

The band structures of flexural waves in a ternary locally resonant phononic crystal thin plate are studied using the improved plane wave expansion method. And the thin concrete plate composed of a square array of steel cylinders hemmed around by rubber is considered here. Absolute band gaps of flexural vibration with low frequency are shown. The calculation results show that the band gap width is strongly dependent on the filling fraction, the radius ratio, the mass density and the Young’s modulus contrasts between the core and the coating. So by changing these physical parameters, the required band gap could be obtained.

  Info
Periodical
Materials Science Forum (Volumes 675-677)
Edited by
Yi Tan and Dongying Ju
Pages
1085-1088
DOI
10.4028/www.scientific.net/MSF.675-677.1085
Citation
Z. J. Yao, G. L. Yu, J. B. Li, "Flexural Vibration Band Gaps in a Ternary Phononic Crystal Thin Plate", Materials Science Forum, Vols. 675-677, pp. 1085-1088, 2011
Online since
February 2011
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Price
$32.00
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