NDLI: Extreme Values of Environment Parameters Under Super Typhoon in South China Sea

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Li, Chenfeng Ren, Huilong Xu, Donghao Zeng, Ji Li, Xiaoyu
Copyright Year	2012
Abstract	Deteriorated environment leads to frequent occurrences of typhoon in South China Sea, especially exceeding 100-year super typhoon which is severely threatening the safety of offshore structures. In order to research its extreme wind resisting ability, it is necessary to analyze the exceeding 100-year wind with associated waves and currents. Based on probability theory and least square method, a parameter estimation method for three-parameter Weibull distribution is presented. According to the measured data in South China Sea, environment parameters’ distribution under super typhoon is obtained. Based on the distributions, wind speed with associated waves and currents at different return period in South China Sea is given, and its comparison with Gumbel distribution shows that it had high fitting precision and strong applicability. The wind with associated waves and currents parameters under different meteorological wind scale are given. At last, the structural response of one example Jack-up platforms are compared and analyzed in extreme conditions. The results indicate that the probability analysis of the environment parameters is essential to ensure the safety of structure, further analysis considering both probability estimation method and rules is necessary.
Sponsorship	Ocean, Offshore and Arctic Engineering Division
Starting Page	283
Ending Page	288
Page Count	6
File Format	PDF
ISBN	9780791844892
DOI	10.1115/OMAE2012-83536
Volume Number	Volume 2: Structures, Safety and Reliability
Conference Proceedings	ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering
Language	English
Publisher Date	2012-07-01
Publisher Place	Rio de Janeiro, Brazil
Access Restriction	Subscribed
Subject Keyword	Wind Parameter estimation Seas Offshore structures Probability Wind velocity Waves Fittings China Safety Currents Weibull distribution Jack-up drilling rigs Meteorology
Content Type	Text
Resource Type	Article

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Sea-Keeping Analysis of an Offshore Wind Farm Installation Vessel During the Jack-Up Process

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Extreme Response Predictions for Jack-Up Units in Second Order Stochastic Waves by FORM

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Metocean Design Criteria Considerations in South China Sea by Adopting Multivariate Extreme Value Theory

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Extreme Values of Environment Parameters Under Super Typhoon in South China Sea

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