Research Article
Research on Vibration Fatigue Damage Locations of Offshore Oil and Gas Pipelines Based on the GA-Improved BP Neural Network
Table 13
GA BP neural network location results of the vibration test.
| Model no. | Damage condition | Actual position (mm) | Identification results (mm) | Absolute error (mm) | Relative error (%) |
| 2 | At the elbow of the pipe | 1020 | 1085.86 | 65.86 | 1.11 | 3 | Mass block pipe connection | 2240 | 2293.39 | 53.39 | 0.90 | 4 | Vertical elbow joint | 5240 | 5084.88 | 155.12 | 2.61 |
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