Order | Frequency calculation value | Frequency measured value | Frequency error | Mode shape difference |
---|---|---|---|---|
1 | 18.503 | 15.674 | 18.05 | 2.7 |
2 | 39.549 | 33.74 | 17.22 | 12.69 |
3 | 46.472 | 39.854 | 16.61 | 10.2 |
4 | 68.545 | 58.921 | 16.33 | 11.2 |
5 | 78.746 | 71.885 | 9.54 | - |
6 | 122.81 | 103.85 | 18.26 | 17.78 |
7 | 153.04 | 133.7 | 14.47 | 38.55 |
8 | 167.12 | 146.14 | 14.36 | 36.81 |
Category | Before correction × 10−4 | After correction × 10−5 | True value × 10−5 | Error/% | |
---|---|---|---|---|---|
1 | Situation 1 | 1.33 | 9.309 | 9.31 | 0.011 |
Situation 2 | 9.204 | 1.138 | |||
2 | Situation 1 | 1.33 | 7.974 | 7.98 | 0.075 |
Situation 2 | 7.788 | 2.4 | |||
3 | Situation 1 | 1.33 | 6.624 | 6.65 | 0.391 |
Situation 2 | 6.61 | 0.6 | |||
4 | Situation 1 | 1.33 | 7.899 | 7.98 | 1.015 |
Situation 2 | 7.937 | 0.53 | |||
5 | Situation 1 | 2500 | 2997.1 | 3000 | 0.097 |
Situation 2 | 3031.6 | 1.05 |
Order | Frequency calculation value | Frequency measured value | Frequency error | Mode shape difference | |
---|---|---|---|---|---|
1 | Situation 1 | 15.672 | 15.674 | 0.010 | 0.089 |
Situation 2 | 15.433 | 1.540 | 0.330 | ||
2 | Situation 1 | 33.725 | 33.740 | 0.040 | 0.650 |
Situation 2 | 33.089 | 1.929 | 0.260 | ||
3 | Situation 1 | 39.842 | 39.854 | 0.030 | 0.540 |
Situation 2 | 39.103 | 1.880 | 0.310 | ||
4 | Situation 1 | 58.932 | 58.921 | 0.020 | 0.170 |
Situation 2 | 57.933 | 1.677 | 0.500 | ||
5 | Situation 1 | 71.922 | 71.885 | 0.050 | - |
Situation 2 | 71.510 | 0.521 | |||
6 | Situation 1 | 103.850 | 103.850 | 0 | 0.11 |
Situation 2 | 102.280 | 1.512 | 0.93 | ||
7 | Situation 1 | 133.750 | 133.700 | 0.04 | 0.15 |
Situation 2 | 131.350 | 1.758 | 0.72 | ||
8 | Situation 1 | 146.170 | 146.140 | 0.02 | 0.45 |
Situation 2 | 143.700 | 1.67 | 0.91 |