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Keywords: prediction
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Journal Articles
Journal Articles
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): 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
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
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
Int. J. Offshore Polar Eng. 26 (01): 33–40.
Paper Number: ISOPE-16-26-1-033
Published: 01 March 2016
... found to suffer from unphysical fluctuations in pressure prediction. This is caused by small density errors in calculation, which can be amplified through the equation of state. Some effective treatments have been made to correct the density errors and kernel gradient errors, which significantly...
Journal Articles
Journal Articles
Int. J. Offshore Polar Eng. 25 (03): 239–240.
Paper Number: ISOPE-15-25-3-239
Published: 01 September 2015
... Load Predictions Wave Bending Moment in Ships, Mar Struct, 22(2), 194 208. httpdx.doi.org/10.1016/j.marstruc.2008.08.001. Oberhagemann, J, Ley, J, Shigunov, V, and el Moctar, O (2012). Efficient Approaches for Ship Response Statistics Using RANS, Proc 22nd Int Offshore Polar Eng Conf, Rhodes...
Journal Articles
Journal Articles
Int. J. Offshore Polar Eng. 25 (01): 35–44.
Paper Number: ISOPE-15-25-1-035
Published: 01 March 2015
...) modelling is based on the Unsteady Reynolds-averaged Navier-Stokes (URANS) equations with the use of a hybrid meshing scheme through systematic grid refinement. The obtained CFD predictions were validated through Experimental Fluid Dynamics (EFD) utilising a captive model fitted to a Horizontal Planar...
Journal Articles
Int. J. Offshore Polar Eng. 24 (04): 292–300.
Paper Number: ISOPE-14-24-4-292
Published: 01 December 2014
... the strain-based behavior of pipelines under imposed displacement necessitated the development of full-scale testing facilities and numerical/analytical models for buckling prediction. This paper presents a new analytical formulation for the estimate of pipe strain capacity against buckling. Its development...
Journal Articles
Int. J. Offshore Polar Eng. 23 (03).
Paper Number: ISOPE-13-23-3-210
Published: 01 September 2013
... condition on the propeller and turbine wake surfaces. It was found that the position of the trailing wake is very important in predicting the performance of propellers or turbines in steady or unsteady flow. The effects of a non-linear interaction between the inflow and the propeller/turbine blades have...

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