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Keywords: prediction
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Journal Articles
Int. J. Offshore Polar Eng. 34 (04): 337–343.
Paper Number: ISOPE-24-34-4-337
Published: 12 December 2024
... of such pipelines is their resistance against hydrostatic pressure, especially during installation. Previous studies by the authors culminated in an improved method for predicting the collapse pressure. The authors compared their analytical results with the outcome of finite-element analyses. In this paper...
Journal Articles
Int. J. Offshore Polar Eng. 34 (03): 306–313.
Paper Number: ISOPE-24-34-3-306
Published: 09 September 2024
... able to harvest energy more efficiently than 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...
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Int. J. Offshore Polar Eng. 34 (02): 164–173.
Paper Number: ISOPE-24-34-2-164
Published: 03 June 2024
.... The integrated LSTM model is trained on the discrepancies between nonlinear and linear responses and complementarily introduced with the linear IRF method in the inference stage. The applied hybrid model demonstrates the potential of machine learning for real-time prediction of nonlinear ship motions in waves...
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Journal Articles
Int. J. Offshore Polar Eng. 33 (02): 164–173.
Paper Number: ISOPE-23-33-2-164
Published: 01 June 2023
...Jae-Hoon Lee; Jaehak Lee; Yonghwan Kim; Yangjun Ahn _ This paper investigates the possibility of the machine learning technique being applicable in the real-time prediction of wave-induced ship motions. An integrated machine learning model is proposed by considering the two different physical...
Journal Articles
Int. J. Offshore Polar Eng. 32 (04): 411–417.
Paper Number: ISOPE-22-32-4-411
Published: 01 December 2022
... build a model based on sample data, known as training data, to make predictions or decisions without being explicitly programmed to do so. Adytia et al. (2018) used the autoregressive integrated moving average (ARIMA) model to predict the significant wave height obtained from the SWAN numerical model...
Journal Articles
Int. J. Offshore Polar Eng. 32 (04): 386–393.
Paper Number: ISOPE-22-32-4-386
Published: 01 December 2022
...Xiao Lang; Da Wu; Wengang Mao _ This paper proposes a machine learning–based ship speed over a ground prediction model, driven by the eXtreme Gradient Boosting (XGBoost) algorithm. The data set is acquired from a world-sailing chemical tanker with five years of full-scale measurements. The model...
Journal Articles
Int. J. Offshore Polar Eng. 32 (04): 394–401.
Paper Number: ISOPE-22-32-4-394
Published: 01 December 2022
...Qiang Liu; Xingya Feng; Tianning Tang _ In this paper, we propose a least square support vector machine (LSSVM) model to predict ocean wave elevations in a random sea state. The frequency and time domain characteristics of historical wave data were both considered in the proposed model. The wave...
Journal Articles
Journal Articles
Int. J. Offshore Polar Eng. 29 (02): 113–127.
Paper Number: ISOPE-19-29-2-113
Published: 01 June 2019
...), are presented. Participants, with a range of numerical methods, simulate blindly the interaction between a fixed structure and focused waves ranging in steepness and direction. Numerical results are compared against corresponding physical data. The predictive capability of each method is assessed based...
Journal Articles
Journal Articles
Int. J. Offshore Polar Eng. 28 (02): 171–181.
Paper Number: ISOPE-18-28-2-171
Published: 01 June 2018
...Peng Wen; Wei Qiu This paper presents improved numerical methods to predict slamming forces/pressures on a wedge with different tilted angles and on a ship section with various drop heights. The water-entry problem was solved by using a constrained interpolation profile (CIP) method on a fixed...
Journal Articles
Int. J. Offshore Polar Eng. 28 (02): 206–211.
Paper Number: ISOPE-18-28-2-206
Published: 01 June 2018
..., predicting the yield strength of the UOE pipe constitutes a difficult task because of the alteration of the material properties throughout the forming process. Moreover, the yield strength is measured by tensile test executed on specimens obtained by flattening samples cut from the formed pipe...
Journal Articles
Journal Articles
Int. J. Offshore Polar Eng. 27 (04): 442–447.
Paper Number: ISOPE-17-27-4-442
Published: 01 December 2017
.... From a designer's point of view, the need to improve the available methods for efficiency prediction and optimization to achieve better solutions at very preliminary design phases is clear. For example the IMO (2009a, 2009b) introduces technical and economical indexes for emissions regulation, namely...
Journal Articles

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