... effective prediction length can reach up to 12 s. The predictive accuracy is also compared under different sea states with a sea state level of 4 to 6 and randomness of irregular waves. Though the prediction error increases with a higher sea state, the predicted motion results are still maintain good...

... regression ml model accuracy fidelity model polynomial regression crack front hyperparameter Proceedings of the Thirty-fifth (2025) International Ocean and Polar Engineering Conference Seoul/Goyang, Korea, June 1-6, 2025 Copyright © 2025 by the International Society of Offshore and Polar Engineers...

... differentiation between tensile and shear cracks according to their angles. The research results indicate that the model achieved a mean pixel accuracy (mPA) of 94.67% and mean intersection over union (mIoU) of 85.36% on the dataset, indicating an accurate crack segmentation effect. During the reinforcement...

... submersible pump artificial lift system impeller algorithm pump efficiency optimization design optimization problem sustainable development optimization centrifugal pump impeller inducer nsga simulation accuracy inlet angle outlet angle impeller and inducer Proceedings of the Thirty-fifth...

... ABSTRACT The current research on subsea pipeline damage predominantly utilize theoretical formulations and numerical simulations. While theoretical calculations offer rapid results, they often lack precision; conversely, numerical simulations provide greater accuracy but require more time...

... accuracy Proceedings of the Thirty-fifth (2025) International Ocean and Polar Engineering Conference Seoul/Goyang, Korea, June 1-6, 2025 Copyright © 2025 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1-880653-74-6; ISSN 1098-6189 www.isope.org Adaptive Machine Learning...

... be used for coordinate changes to improve data accuracy and precision. Finally, different methods are used to analyze the changes in the attitude information of the drowning personnel. The body of the paper begins with the Introduction. In the Introduction, state the purpose of the paper, or the author's...

... for practical purposes, it is necessary to validate the estimation accuracy not only for heading waves but also for following and oblique waves. In this paper, we validate the accuracy of Rankine Panel Method, one of the numerical calculation methods, in various wave directions by comparing the calculation...

... was performed (Ahn et al., 2019). neural network deep learning artificial intelligence machine learning velocity field algorithm flow field liquified natural gas (lng) prediction tank amplitude net algorithm kim excitation period accuracy single impact wave piv image free surface...

... that the VMD-CNN-BiLSTM-AM prediction model can more effectively characterize the spatiotemporal characteristics of the tidal information, and the prediction accuracy has also been improved. INTRODUCTION Tide is an essential phenomenon in ocean dynamics, a periodic sea-level change caused by celestial...

..., and mechanical loads exerted during transportation. Deformation of blocks due to various factors significantly degrades the quality of hull construction, necessitating corrective measures to restore dimensional accuracy. Furthermore, block deformation is critical as dimensional discrepancies during the assembly...

... Connected Neural Network model, all geometry variations could be distinguished with mixed performances. The achieved overall prediction accuracy is above 90 % for bollard pull cases. However, the prediction performance drops for data derived from the 4-blade propeller. For cases with moving propellers...

... ABSTRACT Designing and optimizing the hydrodynamic performance of the steering and reversing unit(SRU) can help improve the maneuverability of waterjet propulsion ships. In order to improve the prediction accuracy of the lateral force of the waterjet propulsion SRU, based on the Reynolds...

... Learning Toolbox for neural network training, the model is based on over 37 million data points. A Multi-Layer Perceptron (MLP) model, tailored for high and low wind-speed regimes, demonstrates robust performance with a prediction error of approximately 5%. This approach enhances prediction accuracy...

... and can effectively analyze the operational status of structures. Gao, et al. (2024) proposed a floating platform attitude correction method based on Kalman filter method with multi-antenna GNSS and acceleration sensor fusion, which improved the motion monitoring accuracy of marine floating structures...

..., capture complex nonlinearities (Zhao and Ning, 2024), offering improved accuracy over earlier models. These CFD approaches have been used to investigate how structural parameters and wave conditions influence OWC power generation, providing valuable insights for performance optimization. López et al...

..., Artificial Neural Networks, Extreme Gradient Boosting, and Decision Trees, were implemented to predict and reconstruct missing sensor data collected during these tests. Among these, LSTM networks showed the highest predictive accuracy, achieving a Root Mean Squared Error (RMSE) of 0.001. These results...

... the leakage identification. A localization method based on dynamic time warp matrix is established to obtain the time difference, and the dynamic pressure wave propagation velocity in the manifold is combined to calculate the microleakage localization. The effectiveness and accuracy of the method are verified...

... firstly investigated, encompassing three categories, i.e., statics, machine learning and deep learning. Prediction accuracy was compared based on metrics such as R 2 and MAPE. Computational efficiency was compared based on FLOPs. The research revealed that seven of the fifteen approaches achieved...

...). A submerged inclined tunnel was considered for validation, and the method was validated using synthetic data generated from time-domain simulations. Results confirm that the proposed approach accurately estimates stress, with optimization significantly improving accuracy, particularly at both ends...