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(a) One-dimensional periodic array of cylinders. (b) Half of a unit cell used for the computation of band structure.
(a) Band structure for sound propagating in one-dimensional sonic crystal. (b) Imaginary part of the wave number obtained by the modified method.
Experimental setup with sound propagating over five acrylic cylinders.
IL by five cylinders arranged periodically. The theoretical model represents attenuation calculated by the decay constant over five cylinders.
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