Research Article
Evaluation of the Modal Coupling Effect in Midstory Isolation Systems Based on Random Vibration Analysis
Figure 2
Mode frequency ratios with various εls and εus (r1 = 0.7 and r2 = 0.8): (a) ω1/ωiso, (b) ω1/ω2, and (c) ω2/ω3.
| (a) |
| (b) |
| (c) |