Advances in Materials Science and Engineering / 2016 / Article / Fig 7

Research Article

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

Figure 7

Graphs of the effective mass density (c) and the effective stiffness constants (a) and (b) of Polyethylene-Si and W-Al superlattices.
(a)
(b)
(c)

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