Superposition theory for studying band of longitudinal wave in solid and liquid phononic crystal
Received:June 11, 2014  Revised:September 15, 2014
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DOI:10.7511/jslx201506015
KeyWord:phononic crystal  band  superposition theory  transfer matrix
  
AuthorInstitution
刘启能 重庆工商大学 计算机科学与信息工程学院, 重庆
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Abstract:
      Using the coherent superposition principle,the transmittance formula of band is derived in 1D solid and liquid finite number cycles phononic crystal,and the coherent superposition theory is established.The coherent superposition theory and the transfer matrix theory is compared.The coherent superpo-setion theory has advantages of the transfer matrix theory,and the coherent superposition theory does not have disadvantages of the transfer matrix theory.The coherent superposition theory is a better way to study band of 1D solid and liquid finite number cycles phononic crystal.