Research Article
Estimation of Additional Equivalent Damping Ratio of the Damped Structure Based on Energy Dissipation
Figure 4
Time histories of additional EDRs obtained by the strain energy method under different sine waves of the SDOF system with the period equal to 1.0 s and hysteresis curve of the viscous damper for the system under the sine wave with . (a) Sine wave, ; (b) sine wave, ; (c) sine wave, ; (d) hysteresis curve of damper.
(a) |
(b) |
(c) |
(d) |