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. 2015 Mar 20;5:9376. doi: 10.1038/srep09376

Figure 2. Effective mechanical properties of the cellular metamaterials.

Figure 2

(a) The effective elastic wave velocities for cellular metamaterials of the BD structure (longitudinal: red solid line, transverse: black solid line) and the SD structure (longitudinal: pink dashed line, transverse: blue dashed line) along different directions, where the relative density is 0.19 for both cases. (b) The ratio of effective shear modulus of the SD structure to the BD structure versus the relative density of cellular metamaterials along the direction Γ-X.