Research Article
Fatigue Stress Estimation of an Offshore Jacket Structure Based on Operational Modal Analysis
Table 3
Optimal azimuth of SG position.
| | SG position (−) | Initial azimuth (deg) | Optimal azimuth (deg) | NEFD | | Abs. mean. (%) | Max (%) |
| | Elev.1 Azim.C | 233.0 | 231.5 | 8.30 | −15.62 | | Elev.1 Azim.D | 143.0 | 144.5 | 4.76 | 9.64 | | Elev.2 Azim.C | 233.0 | 230.5 | 7.31 | −13.95 | | Elev.2 Azim.D | 143.0 | 145.5 | 4.69 | 8.67 |
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