Research Article
Development of a Frequency-Adjustable Tuned Mass Damper (FATMD) for Structural Vibration Control
Table 2
Vibration reduction ratios of the FATMD.
| | Excitation frequency (Hz) | Acceleration (mm/s2) | Vibration reduction ratio (%) | | Uncontrolled | With FATMD |
| | 20.1 | 0.497 | 0.179 | 64.0 | | 23.0 | 0.685 | 0.256 | 62.6 | | 26.5 | 1.033 | 0.040 | 96.1 | | 28.5 | 1.864 | 0.447 | 76.0 | | 30.0 | 1.030 | 0.338 | 67.2 | | 31.5 | 1.108 | 0.386 | 65.2 | | 38.0 | 3.463 | 1.217 | 64.9 | | 42.7 | 1.633 | 0.407 | 75.1 | | 45.5 | 1.473 | 0.094 | 93.6 |
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