NDLI: Design Parameter Estimation Under Multivariate Extreme Ocean Environmental Conditions in the Bohai Sea

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Dong, Sheng Wang, Liang Fu, Xinyu
Copyright Year	2007
Abstract	On the basis of 21 years hindcasted data in the Bohai Sea, a Trivariate Nested Logistic Distribution model is utilized to calculate the joint probability of extreme environmental conditions, such as wind speed, significant wave height, and current velocity, which simultaneously occur during storm processes. Statistical analysis shows that this approach is simple in mathematical form, explicit in its expression, and can be easily applied to parameter estimation. It involves hierarchical dependence and can be applied to a wider field than the symmetric Logistic model. The ocean environmental contours in three demensions are created rather than the usual two. The contours as slices through return periods of wind speed is displayed to find the mode of wave height and current velocity. Based on the multivariate extreme value distribution theory, the determination of environmental parameter values will be objective and reasonable in engineering design.
Sponsorship	Ocean, Offshore and Arctic Engineering Division
Starting Page	145
Ending Page	149
Page Count	5
File Format	PDF
ISBN	0791842681
DOI	10.1115/OMAE2007-29179
e-ISBN	0791837998
Volume Number	Volume 2: Structures, Safety and Reliability; Petroleum Technology Symposium
Conference Proceedings	ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering
Language	English
Publisher Date	2007-06-10
Publisher Place	San Diego, California, USA
Access Restriction	Subscribed
Subject Keyword	Design Correlation Trivariate nested logistic distribution Extreme value Environmental conditions Engineering design Parameter estimation Seas Statistical analysis Storms Oceans Wind velocity Probability Waves Significant wave heights
Content Type	Text
Resource Type	Article

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