计算物理 ›› 2010, Vol. 27 ›› Issue (4): 603-607.

• 研究论文 • 上一篇    下一篇

固-液结构圆柱声子晶体中弹性波的模式和带隙

刘启能   

  1. 重庆工商大学计信学院, 重庆 400067
  • 收稿日期:2009-03-30 修回日期:2009-09-11 出版日期:2010-07-25 发布日期:2010-07-25
  • 作者简介:刘启能(1957-),男,四川泸州,教授,从事光学与原子分子物理研究,重庆工商大学计信学院400067.
  • 基金资助:
    重庆市教委科技项目基金(批准号:KJ080720)资助项目

Mode and Bandgap of Elastic Wave in Solid-Liquid Cylindrical Phononic Crystal

LIU Qineng   

  1. Computer Science and Information Engineering College, Chongqing Technology and Business University, Chongqing 400067, China
  • Received:2009-03-30 Revised:2009-09-11 Online:2010-07-25 Published:2010-07-25

摘要: 利用一维固-液结构圆柱声子晶体中弹性波横向受限的条件,推导弹性波在一维固-液结构圆柱声子晶体中各个模式满足的关系式,研究各个模式弹性波的特征.并用色散函数计算各模式弹性波的带隙随模式量子数和圆柱半径的变化规律.得出一维固-液结构圆柱声子晶体的带隙由模式量子数和圆柱半径确定.

关键词: 圆柱声子晶体, 受限, 带隙, 模式

Abstract: Mode of elastic wave in 1D solid-liquid cylindrical phononic crystal is obtained with restriction conditions of elastic wave.Bandgap of elastic wave is calculated with dispersion function.New structure of bandgap in 1D solid-liquid cylindrical phononic crystal is revealed.Bandgap of 1D solid-liquid cylindrical phononic crystal is determined with quantum number of mode and cylindrical radius.

Key words: cylindrical phononic crystal, restrictions, bandgap, mode

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