Propagation of guided elastic waves in 2D phononic crystals.
作者： C. Charles , B. Bonello , F. Ganot
DOI: 10.1016/J.ULTRAS.2006.05.096
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摘要: The phononic band structure of two-dimensional guides is numerically studied. A plane wave expansion method used to calculate the dispersion relations guided elastic waves in these periodic media, including 2D plates and thin layered arrangements. We show that, for any wave, Lamb or generalised modes, stop bands appear curves, displaying a both cases.
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