Investigation on Low Frequency Bandgap of Coupled Double Beam with Quasi-Zero Stiffness for Power Transformer Vibration Control

Table 4

Physical parameters of beams.

Names	Elastic modulus (E)	Density (ρ)	Length (m)	Width (m)	Thickness (m)
Silicon steel sheet	2e11 Pa	7650 kg/m^3	0.139	0.1	6e − 4
Aluminum	68e9 Pa	2700 kg/m^3	0.139	0.1	3e − 3