Advances in Acoustics and Vibration / 2009 / Article / Fig 1

Research Article

Designing 2D Phononic Crystal Slabs with Transmission Gaps for Solid Angle as well as Frequency Variation

Figure 1

Horizontal π‘₯ 𝑦 coordinates and a 𝑧 depth coordinate axis are introduced. There are three scatterer interfaces in this illustration. The medium is periodic with period 𝑑 in the π‘₯ direction, although only finitely many cylindrical scatterers are shown at each interface, and the cylinder axes are parallel to the y-axis.

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