Nonlinear Regression Based Health Monitoring of Hysteretic Structures under Seismic Excitation

<div>Linear regression results: (a) effective stiffness with half-cycle displacement; (b) effective viscous damping with half-cycle displacement.</div>

Shock and Vibration

fig3

Figure 3

Figure 3: Nonlinear Regression Based Health Monitoring of Hysteretic Structures under Seismic Excitation 