Based on the hindcast data of 21 storm processes, a Poisson bivariate Logistic extreme value distribution is proposed to estimate the joint probability of extreme wind speed and extreme significant wave height in the storms, the frequency of which can be described by a Poisson distribution. In order to calculate the structural response of an ocean platform, such as base shear, three methods are utilized, namely (I) traditional univariate frequency analysis method; (II) base shear return value method; (III) wind-wave joint probability method. Calculation results show that the proposed statistical model is suitable for the design of fixed platforms in the storm-influenced area.
- Ocean, Offshore, and Arctic Engineering Division
Applications of a Compound Distribution on Estimating Wind and Wave Parameters for Fixed Platforms Design
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Dong, S, & Ning, J. "Applications of a Compound Distribution on Estimating Wind and Wave Parameters for Fixed Platforms Design." Proceedings of the 25th International Conference on Offshore Mechanics and Arctic Engineering. Volume 3: Safety and Reliability; Materials Technology; Douglas Faulkner Symposium on Reliability and Ultimate Strength of Marine Structures. Hamburg, Germany. June 4–9, 2006. pp. 121-125. ASME. https://doi.org/10.1115/OMAE2006-92189
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