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Keywords: prediction
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Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-061
... have been widely adopted for predicting the hydrodynamic responses of floating offshore wind turbines (FOWTs) (Cheng et al. (2019); Otter et al. (2022)). Generally, the mid-fidelity potential flow method and high-fidelity Computational Fluid Dynamics (CFD) method are the most commonly used approaches...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-077
... and Prediction (WRP) algorithms that improve the active control of floating structure motions, achieved, e.g., by moving mass or ballast. Specifically, given a sensing method, here assumed to be LiDAR-like, that acquires dense spatiotemporal surface elevation data at some distance from the FOWT in the incident...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-095
... traditional single-DOF devices. As a step towards its optimisation and control, a power prediction model is developed, using the wave elevation and motions of the WEC to predict the power output of each PTO. The results show that using LSTM (Long-Short Term Memory) has a higher prediction accuracy than...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-214
... against hydrostatic pressure, especially during installation. Selker et al. (2022, 2023) have developed an improved method for predicting the collapse pressure and compared their analytical results with the outcome of finite-element analyses. In this paper, the performance of the improved model...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-039
... agreement offshore wind turbine social responsibility wind energy foundation prediction focused wave case 2 sustainability modeling fowt hydrodynamic behavior decay test balance equation mesh sub-sea system coefficient floater elevation initial position pontoon Proceedings of the Thirty...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-532
... government machine learning coefficient imputation method matrix raw operational data consumption performance evaluation imputation prediction database neural network freight & logistics services frequency evaluation performance value engine power dataset fuel consumption enhance ship...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-542
... as the conventional method. INTRODUCTION We solve a motion equation to predict manoeuvring motion. There are several expressions for its external force term. We call the expressions mathematical models. In this paper, we use MMG model, see Yasukawa and Yoshimura (2015), which separates the external forces...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-537
... ABSTRACT The real-time motion prediction of semi-submersible platforms in the coming future seconds are of great importance, which can help to ensure the safety and efficiency of platform equipment operation. In this paper, a novel model based on neural expansion analysis for time series...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-486
... procedure, was implemented for a CO 2 mixture. The GERG-2008 EOS was used, which can capture the two-phase behaviour of the fluid. The fluid behaviour of the model was verified by comparing shock-tube simulation predictions with experimental results from the open literature performed using a CO 2 mixture...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-536
...Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright © 2023 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-80-7; ISSN 1098-6189 www.isope.org Real-time deterministic prediction...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-539
... configuration prediction optimisation optimization karafiath hemanth kumar Proceedings of the Thirty-third (2023) International Ocean and Polar Engineering Conference Ottawa, Canada, June 19-23, 2023 Copyright © 2023 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-538
... deep learning artificial intelligence europe government machine learning upstream oil & gas netherlands government prediction duration ship motion vmd-lstm model confidence interval prediction accuracy sea state time sery sequence neural network prediction accuracy...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-543
... neural network hull form regression model prediction result marine transportation prediction artificial intelligence coefficient model test prediction model deep learning machine learning power prediction test data open water characteristic ship propeller wake fraction section...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-540
... propulsive performance of a ship against Beaufort scale so as to show a way of the usage results of the regression. The estimator of the GPR shows good agreement with measured time-history data which are used as train data and test data but predicts unreasonable results physically of speed-power relationship...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-507
... ABSTRACT The accuracy and generalization of the model for predicting ship maneuvering motion are significant to the navigation efficiency and safety. A nonparametric modeling method based on BP (Back Propagation) neural network combined with AdaBoost (Adaptive Boosting) algorithm is proposed...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-551
... & logistics services ferry total fuel consumption power allocation propeller allocation fuel consumption sustainability engine sustainable development prediction power ratio ship efficiency voyage double-ended ferry xgboost engine power operation westbound trip regression model eastbound...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-531
... ABSTRACT Propulsion shafting is an important part of the ship, its vibration characteristics directly affect the operating state of the ship. This paper combines the grey system theory with the neural network model to prediction propulsion shafting vibration characteristics. The initial data...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-569
... marine transportation ship performance cfd solver openfoam-based computation wavelength resistance controller oblique sea ocean engineering ship model prediction ship forward speed shipbuilding frictional component motion response propeller controller pitch motion free-running...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-301
... ABSTRACT Accurate and timely wave prediction plays an important role in safe marine operations. Generally wave information are obtained from wave buoys, so there is a limitation in the spatial resolution considering that the buoys are mostly deployed inshore and sparsely. This paper presents...
Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-307
... performs best, as expected for this simple test case. Stepping up in the fidelity hierarchy very easily introduce errors that propagate through the hierarchical modelling via the correction forces. The baseline method was found to accurately predict the motion of the heaving sphere. The hierarchical...

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