Band gaps of phononic crystals with smooth contact interfaces

【Author】

Fenglian Li;Yuesheng Wang;Chuanzeng Zhang;Guilan Yu;

【Abstract】

<正>The boundary element method(BEM) is presented to compute the band gaps of two-dimensional(2D) phononic crystals with perfectly contact or smoothly contact interfaces between solid the scatterers and the solid matrix.The boundary integral equations are derived in a unit cell.By considering the interface conditions

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