Research Article
Center Impedance Method for Damping Measurement
Table 1
Frequencies of bare bar for odd numbered modes.
| | Theoretical frequency | Frequency by Center | Error | | (Hz) | Impedance method (Hz) |
| | 42.5 | 43.5 | 2.4% | | 230.4 | 225.5 | 2.1% | | 571.0 | 569.0 | 0.4% | | 1084.0 | 1071.0 | 1.2% |
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