Research Article
Probabilistic Assessment of Degree of Bending in Tubular X-Joints of Offshore Structures Subjected to Bending Loads
Table 2
Estimated parameters of PDFs fitted to the density histograms of DoB samples.
| Fitted PDF |
Parameters | Estimated values | | | DoBS-OPB | | | DoBD-OPB |
| Birnbaum-Saunders |
| | | 0.90498 0.0303296 | 0.813539 0.093508 | — | 0.897649 0.037795 | Extreme value |
| | | 0.91884 0.0251115 | 0.853587 0.0693142 | 0.688765 0.190828 | 0.91473 0.0318889 | Gamma |
| | | 1089.95 0.000830676 | 116.665 0.0070038 | — | 704.135 0.00127574 | Generalized extreme value |
| | | −0.342762 0.0280815 0.896484 | −0.331497 0.0772041 0.79235 | −0.286603 0.19848 0.518683 | −0.325209 0.0350571 0.887031 | Log-logistic |
| | | −0.0988711 0.0177489 | −0.201561 0.05286 | −0.56315 0.219722 | −0.106302 0.0209965 | Logistic |
| — | — | 0.906074 0.0160357 | 0.819049 0.0427215 | 0.590133 0.118319 | 0.899405 0.0187924 | Lognormal |
| −0.0998412 0.0303511 | −0.206291 0.0934124 | −0.596375 0.386297 | −0.107973 0.0378179 | Nakagami |
| | | 273.263 0.820492 | — | 2.2093 0.386864 | 177.064 0.80806 | Normal (Gaussian) |
| | | 0.905396 0.0273892 | 0.817095 0.074663 | 0.589015 0.200225 | 0.89829 0.0337215 | Beta |
| | | 97.8619 10.2226 | — | — | 64.4534 7.29193 | Rician |
| | | — | 0.813649 0.0748107 | 0.546732 0.209701 | — | Weibull |
| | | — | — | 0.657831 3.29088 | — |
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