Transmission character of elastic wave in solid- fluid rectangle phononic crystal

Liu Qineng

Journal of Vibration and Shock ›› 2010, Vol. 29 ›› Issue (12) : 39-41.

PDF(1223 KB)
PDF(1223 KB)
Journal of Vibration and Shock ›› 2010, Vol. 29 ›› Issue (12) : 39-41.
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Transmission character of elastic wave in solid- fluid rectangle phononic crystal

  • Liu Qineng
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Abstract

The mode condition of elastic wave in solid- fluid rectangle phononic crystal is obtained with restrictions condition of elastic wave. The transmission character of elastic wave is calculated by the dispersion method. The new structure of bandgap in solid- fluid rectangle phononic crystal is obtained. The bandgap of 1D rectangle phononic crystal determined by quantum number of mode . The center and width of the bandgap determined by the quantum number of mode and the side length of rectangle.

Key words

rectangle phononic crystal / restrictions / mode / bandgap

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Liu Qineng. Transmission character of elastic wave in solid- fluid rectangle phononic crystal [J]. Journal of Vibration and Shock, 2010, 29(12): 39-41
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