Advances in Materials Science and Engineering / 2016 / Article / Fig 6

Research Article

Plane Wave-Perturbative Method for Evaluating the Effective Speed of Sound in 1D Phononic Crystals

Figure 6

Effective sound velocity for longitudinal vibrational modes propagating along the growth direction of a W-Al superlattice. Here, solid line was obtained by using formula (33) and squares were obtained by using formula (36).

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