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Keywords: forecast
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Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1295
... Abstract An iceberg drift model was developed for offshore oil and gas operations. Increasing forecasting accuracy is critical for making appropriate downtime decisions. Three sources of ocean current data were used to run test simulations of the model: estimated from observed iceberg drift...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3271
... Abstract This paper presents a novel initiative for reliable high–resolution forecasts on prevailing sea states at 50 important ports worldwide (Accu-Waves; http://accuwaves.eu/) . Its goal is to support safe navigation, unhampered vessel approaching to busy harbored areas, and secure ship...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3235
... areas using the amplitude and phase of the different tide gauger. Then forecasting water depth is rendered of the port area and wharf terminal areas, for the port management and related planning. Research Methods and Steps The tidal elevation is an important parameter in the design of coastal...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-3234
... for their significance in globalization. However, forecasting WLFs of artificial/non–artificial waterways have tremendous economic benefits for locals. Forecasting WLFs can be seen as a time series problem. Artificial neural networks (ANNs) have shown promises of time series forecast and are well–documented. This study...
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 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-738
... ABSTRACT The extended lift operation to deliver the Wellbay module (M5) combined with the Flare Tower (M8) from the Miller Platform in the North Sea to the shore using the Semi-Submersible Crane Vessel S7000 was sensitive to the wave environment. Weather and response forecasts were used...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-575
... ABSTRACT In the present study, a 168 hrs-forecast wave model is developed to predict significant wave heights at four stations, Japan, using the Group Method of Data Handling (GMDH). The GMDH is one of machine learning (like artificial neural network) and has an advantage of the convenience...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-667
... to maximize power absorption while minimizing the structural loads on the WEC system. Furthermore, a Kalman filter and autoregressive model were used to estimate and forecast the wave exciting force and predict the future dynamics of the WEC. The WEC's power-take-off time-averaged power and structural loads...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-610
... ABSTRACT The influence of the accuracy of the weather forecast on the availability and production losses for a given maintenance policy are investigated in this paper. This is done by varying the look ahead time, with accurate weather forecast, of a simulation model. The results show...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-687
... ABSTRACT The article briefly presents a novel methodology of weather window estimation for offshore operations and mainly focuses on effects of met-ocean condition forecasting uncertainties on weather window predictions when using the proposed methodology. It is demonstrated that the proposed...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-115
... Abstract This paper compares the deterministic wave forecasts against wave measurements for a location in the Barents Sea and a location in the Norwegian Sea. A comparison of the wave forecast quality based on the entire period of forecasts showed that the wave forecasts for the Barents Sea...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-219
... level zhang forecast lbgc topography south yellow sea simulation disaster liyashan meteorology condition numerical simulation water level Analysis on the Cause of the Specific High Tides in the South Yellow Sea Danghan Xie1,2, Ya Tan1,2, Ao, Chu1,2, Changkuan Zhang1,2 1. State Key...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-292
... models are also applied to the initial nonstationary series without making any decomposition. The performance of both forecasting procedures is assessed by means of well-known error measures. It should be noted that FIS/ANFIS models are coupled for the first time with a nonstationary time series...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-493
... fatigue damage and the expected development referring to the marine forecast condition (H s , T p and Heading) in order to provide a quantitative basis for decision on long time lasting as well as timely operations to be initiated. This is crucial to optimize the offshore vessel operations and support...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-356
...% to the composed VBM in this ship. Considering effects of hydroelasticity, long term forecast of VBM based on 3D potential theory are larger than rule-based results. vibration high frequency vbm ship simulation nonlinear forecast wide-flat ship transfer function test result time history vbm...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-087
...Deterministic Non-Linear Wave Forecast and Motion Prediction for Short-Term Offshore Operations Gu¨nther F. Clauss, Marco Klein, Matthias Dudek Miguel Onorato Ocean Engineering Division, Technische Universita¨t Berlin Dipartimento di Fisica, Universita di Torino Berlin, Germany Torino, Italy...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-170
... fuel consumption. This paper discusses the application of the developed routing tool for shortest route, land avoidance, storm avoidance and combinations. Strengths and weaknesses of the utilization of the DIRECT algorithm are discussed. land avoidance intermediate point forecast speed...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-443
... particles showed the potential of this simulator to determine the drift pass and convergence area of the debris in Osaka Bay. KEY WORDS: Real-time ocean forecasts; ROMS; HF radar; Osaka Bay; Particle tracking. INTRODUCTION Collection and removal of drifting marine litter and debris in an enclosed bay...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-406
... Abstract This paper presents an efficient method to fast generate the ensemble typhoon wind field by using the forecast wind data obtained from several operational weather forecast centers. The weighted bias-removed ensemble mean (WEM) method is utilized to generate the characteristic...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-405
... of barges and the efficiency of shipping operation. forecast candidate port total load significant wave height empirical shipping operation weather specification barge planning & scheduling freight & logistics services case study operation artificial intelligence port refuge...

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