A Metamaterial-Inspired Structure for Simultaneous Vibration Attenuation and Energy Harvesting

Table 1

Properties and dimensions of the metamaterial vibration attenuation energy harvesting structure used in model simulations.

Unit cells
# of cantilever beams	4 per unit cell
# of central magnets	1 per unit cell
# of unit cells	9
Coils
Type and grade	35 AWG enameled copper wire
# Turns	220
Length	9.04 m
Central magnets
Material	NdFeB-N52
Diameter,	9.525 mm
Thickness,	4.7625 mm
Cantilever
Material	PETG
Density,	1270 Kg/m^3
Modulus of elasticity,	2.7 GPa
Poisson’s ratio,	0.33
Length,	18.51 mm
Width,	7 mm
Height,	1 mm
Stiffness,	745 N/m
Mass of cantilever,
mass,
Cross-sectional area,
Area moment of inertia,