Vibration attenuation using a 3D cubic re-entrant metamaterial structure with tunable bandgaps induced by variations in the re-entrant angle

Open Access

Fig. 4

Dispersion diagram and transmissibility of the novel 3D cubic re-entrant structure (a). Dispersion diagram of a unit cell with a strut thickness to unit cell size ratio (t/a) =0.075 and 55 degrees re-entrant angle. (b) Vibration transmissibility for the 3D cubic lattice structure with 5 × 4 × 3 unit cells configuration.

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