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Keywords: extreme value
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Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-385
... electromagnetic induction heating svm algorithm stress concentration area experiment extreme value support vector machine ABSTRACT To accurately predict the stress state of hull stiffened plate structure after induction heating process, the intelligent algorithm of support vector machine (SVM...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-201
... health & medicine arg water sample abc water sample tet vertical migration sul lower layer alkaline condition upper layer salinity experiment extreme value water content gene content soil column water-sediment interface acidic condition water layer ABSTRACT Due...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-493
... interface pressure reduction coefficient reduction coefficient reservoir simulation machine learning coefficient flux hydrofoil hydrodynamic performance free surface extreme value type section vaporization cavitation gas core solver mule solver anti-diffusive flux primary cavitation...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1217
... ) and 10 m mean wind speed ( u 10 ). This paper explored the development of a univariate extreme value-analysis (EVA) sea state( H s and T p ) and extreme wind speed, within the Caribbean Sea. These results will be used as inputs to a numerical model of a floating offshore wind turbine (FOWT). The H...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1186
..., Aerodynamics, Structures, and Turbulence), a fully coupled simulation tool. The hydrodynamic loads considered include both first- and second-order wave-excitation loads. Different simulation sizes are compared. Different extreme-value prediction methods are applied and the results are compared. Both the peak...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1282
.... The distribution disciplinarians of ocean environmental loads are analyzed by the fractal theory and statistical analysis methods. The extreme values of 6-DoF-motions are selected as the characteristic parameters of the output layer. A Long-Short-Term Memory Network (LSTM) deep learning network is established...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3131
... resource development support platform motion response upstream oil & gas ship amplitude modal superposition method wave angle midsection structural safety freight & logistics services hydroelasticity oblique wave extreme value spectrum coordinate system forecast Hydroelasticity...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-652
... ABSTRACT Data for maximum pit depths obtained from intelligent pigging runs for several older operational water injection pipelines (WIPs) has been used extensively for prediction of likely future pipe wall penetration. Often such data do not fit extreme value distributions very well. Also...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-512
... that encounter wave frequency is related to the heading angle of short-crest when calculating none-zero spectral momentum under the combined influence of long and short crest waves. As to the solution of long-term extreme value, to avoid the iterative failure, the Brent method is used to solve the nonlinear...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-489
... threshold stability plot gaussian distribution estimation credible interval random variable machine learning scale parameter probability mean residual life plot extreme value threshold manufacturer offshore pipeline return level midstream oil & gas material strength...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-465
... assessment variable load operation drilling equipment hull upstream oil & gas calculation result extreme value structural strength foundation china sea environmental load fixation device rig south china sea storm survival inplace analysis requirement specification Storm Survival...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-576
... ABSTRACT Most Coastal and Offshore Engineering applications have to deal with the extreme waves, estimated by an extreme value model, a statistical approach that uses the available wave data to estimate physical extremes. The usual lack of reliable long-term wave datasets, implies the need...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-211
... frontal loading case boundary condition global analysis limit loading case fshr extreme value assembly platform limit condition lateral loading case mpa stress coefficient key assembly von mise stress frontal lateral frontal lateral loading case bn chamber subsea system...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-507
... (2011 and 2013). project site crest wave pressure extreme value regular wave time process uplift total force wave parameter wave force direction definition model scale calculation method statistical result water depth 2 model test water depth 1 Large Wave Flume Test on Semi...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-073
... heading, represented by a JONSWAP wave spectrum SJ the following equation defines the response amplitude energy spectrum Si for the i-th degree of freedom in terms of the response amplitude operator RAOi 2 Jii SRAOS (1) From the response spectrum, extreme values can be obtained following usual...
Proceedings Papers

Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-157
... bending moment may also exceed the 50-year values by more than 10%. artificial intelligence fault type 0 renewable energy fault type 1 sea state extreme value blade 2 turbine spectrum surge fault type 3 wind turbine wave misalignment fault type1 offshore wind turbine wind energy...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-554
... ABSTRACT: This paper presents a statistical Extreme Value Analysis (EVA) methodology to evaluate the design survivability condition of a Wave Energy Converter (WEC). The technique is applied to the Oyster® WEC design which is being developed by Aquamarine Power Ltd. (APL) but can be easily...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-587
..., andε is the damping ratio. machine learning fitting method rig 1 random seed selection procedure drilling equipment dynamic analysis standard deviation probability extreme value daf base shear artificial intelligence natural period weibull method jack-up unit mpme upstream oil...
Proceedings Papers

Paper presented at the The Nineteenth International Offshore and Polar Engineering Conference, July 21–26, 2009
Paper Number: ISOPE-I-09-067
... of the containment system (Kim et al, 2003). tirf interaction liquified natural gas panel pressure patch pressure midstream oil & gas impulse response function artificial intelligence upstream oil & gas structural analysis time history critical location probable extreme value impact load...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-255
.... In this paper, annual extreme values of mooring line tension have been estimated both by full long-term analyses and by the contour line method for an intact mooring system and for a damaged one, respectively. On the average, an increase of 20% and 30% in extreme tension are obtained in the adjacent line due...

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