Table 1 Comparison results at various strain amplitudes.
From: Seismic performance of multistory frames with novel self-centering friction SMA dampers
Strain (%) | Data type | Energy dissipation per cycle W(J) | Equivalent damping ratio ξeq | Equivalent stiffness K(kN/mm) |
|---|---|---|---|---|
4 | Simulation | 10.06 | 0.0482 | 1.06 |
Test results | 11.86 | 0.0487 | 1.08 | |
Error | − 2.70% | − 1.13% | − 1.59% | |
5 | Simulation | 18.52 | 0.0560 | 0.92 |
Test results | 19.03 | 0.0512 | 0.93 | |
Error | 8.51% | 9.49% | − 0.9% | |
6 | Simulation | 29.07 | 0.0495 | 0.97 |
Test results | 26.79 | 0.0512 | 0.93 | |
Error | − 6.84% | − 3.32% | 3.95% | |
7 | Simulation | 38.95 | 0.0451 | 0.98 |
Test results | 38.76 | 0.0471 | 1.01 | |
Error | − 9.55% | − 4.24% | − 2.72% |
