Effects of periodicity perturbations on the transmission by underwater phononic crystals
The effects of periodicity perturbations in underwater phononic crystal layers composed of nonin- terpenetrating rows of identical shells are investigated. The results for one row are obtained by using a multiple scattering method between shells. Then, taking into account the multiple reflections and transmissions between two adjacent rows, a Debye series method is used to calculate the reflection and transmission coefficients by a finite number
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