Pounding Mitigation Design and Real-Time Hybrid Simulation for a Novel Viscous Damper Applied in Bridges

Table 2

System parameters in simulations.

Parameters	Values
Servo-valve
Damping ratio, ζS	70%
Natural frequency, ωs (rad/s)
Discharge coefficient, kv (in.^4/s·lb^0.5)	21.915
Supply pressure, PS (psi)	3000
Return pressure, PR (psi)	50
Actuator
Piston area, AP (in.^2)	38.48
Length, l (in.)	10
Effect bulk modulus, β (psi)	100000