Research Article

Vibration Analysis and Models of Adjacent Structures Controlled by Magnetorheological Dampers

Table 11

Identified natural frequencies and damping ratios in the nonconnected (NC) and rigid connected (RC) configuration; white noise test PGA 0.1 g.

ModeStructure A (NC)Structure B (NC)Connected structure (RC)
Frequency (Hz)Damping (%)Frequency (Hz)Damping (%)Frequency (Hz)Damping (%)

12.702.295.250.753.182.35
28.151.0514.430.537.262.45
313.180.9819.660.418.631.91
416.851.1213.531.11
515.781.19
619.940.69
723.702.52