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Keywords: accuracy
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Journal Articles
Journal Articles
Int. J. Offshore Polar Eng. 33 (03): 279–285.
Paper Number: ISOPE-23-33-3-279
Published: 15 September 2023
...Zhigang Wang; Zhongya Xia; Yingyuan Tian _ When evaluating the shooting accuracy of underwater attack weapons against the surface target, we need to transform various coordinates into a unified coordinate. Typically, the surface target track uses the geodetic coordinate and underwater weapon...
Journal Articles
Int. J. Offshore Polar Eng. 33 (02): 215–222.
Paper Number: ISOPE-23-33-2-215
Published: 01 June 2023
... case of a flow around a cylinder under Re = 40 and a study case with experimental results of a solitary wave interacting with vertical cylinders are designed to validate this model. The numerical cases show that the model achieves good results with sufficient stability and accuracy. Introduction...
Journal Articles
Int. J. Offshore Polar Eng. 33 (02): 184–195.
Paper Number: ISOPE-23-33-2-184
Published: 01 June 2023
... dynamics solvers for solving computationally expensive numerical simulations. The MLP model has many parameters called hyperparameters, which largely determine the prediction accuracy of the model; BO tracks the prior distribution to obtain the optimal hyperparameters. By training the data collected...
Journal Articles
Int. J. Offshore Polar Eng. 33 (02): 164–173.
Paper Number: ISOPE-23-33-2-164
Published: 01 June 2023
... also faces dif culties in nonlinear modeling. By contrast, several alternative methods based on the autocorrelation function proposed by Nielsen et al. (2018) and the autoregressive moving average by Yumori (1981) showed better performances than the classical approaches, although their accuracy...
Journal Articles
Int. J. Offshore Polar Eng. 32 (04): 377–385.
Paper Number: ISOPE-22-32-4-377
Published: 01 December 2022
... of the boom, and water wave on oil leakage from containment booms were investigated. Shi, Li, Chen, et al. (2018) developed an SPH model by incorporating a Large-eddy-simulation (LES) turbulence model and the interfacial surface tension for simulating oil spill spreading problems. The accuracy of the SPH...
Journal Articles
Int. J. Offshore Polar Eng. 32 (03): 348–355.
Paper Number: ISOPE-22-32-3-348
Published: 16 September 2022
... modeling. Its accuracy is validated by comparing its prediction with the experimental data. The results show that the lift coefficient and lift-to-drag ratio reach their maxima when the angles of attack are 25. and 10., respectively. The lift coefficient increases with increasing aspect ratio and relative...
Journal Articles
Int. J. Offshore Polar Eng. 32 (03): 275–284.
Paper Number: ISOPE-22-32-3-275
Published: 16 September 2022
.... To enhance and ensure the accuracy, stability, and conservation property of the model, the enhanced schemes developed by our research team—namely, the higher-order source term, error-compensating source term, and dynamic stabilizer schemes—are also incorporated. The proposed high-order consistent ISPH fluid...
Journal Articles
Int. J. Offshore Polar Eng. 32 (03): 330–337.
Paper Number: ISOPE-22-32-3-330
Published: 16 September 2022
..., The International Society of Offshore and Polar Engineers machine learning simulation lateral artificial intelligence wcp international journal subsea system accuracy efficiency extract obtaining extreme multidirectional current profile current profile formulation operation rov lateral database...
Journal Articles
Int. J. Offshore Polar Eng. 32 (03): 307–312.
Paper Number: ISOPE-22-32-3-307
Published: 16 September 2022
.... The methodology presented in this paper reduces computational efforts while maintaining a high level of accuracy by using directional sea state contour plots and combinations of floater loading conditions and offsets. Introduction Risers are an important component of any deepwater field development. Estimating...
Journal Articles
Int. J. Offshore Polar Eng. 31 (03): 363–371.
Paper Number: ISOPE-21-31-3-363
Published: 01 September 2021
... insensitive to the plate aspect ratio and crack direction, and the model provides reasonable accuracy for identifying crack direction. Introduction Crack is one of the most common types of damage in engineering infrastructures (Bhuiyan et al., 2018), and its identification is crucial for ensuring structural...
Journal Articles
Int. J. Offshore Polar Eng. 31 (03): 293–301.
Paper Number: ISOPE-21-31-3-293
Published: 01 September 2021
... network was established between the ocean environmental loads and the extreme values of the 6 DoF response. The predicted results indicate that the present LSTM neural network method could provide higher accuracy, with root mean square errors of 0.0724 and 0.0326 for rolling and pitching values...
Journal Articles
Int. J. Offshore Polar Eng. 31 (02): 220–229.
Paper Number: IJOPE-21-31-2-220
Published: 01 June 2021
... by many scholars. neural network crack location artificial intelligence engineering crack length learning rate cnn method deep learning accuracy detection true crack length single-crack detection machine learning classification plate crack damage detection noise free noise cnn damage...
Journal Articles
Int. J. Offshore Polar Eng. 30 (01): 36–42.
Paper Number: ISOPE-20-30-1-036
Published: 01 March 2020
... Engineers social responsibility accuracy nonlinear model ocean energy sustainability nlfk model mathematical model Artificial Intelligence displacement modeling approach nonlinear froude-krylov modeling approach body-fixed frame giorgi nonlinear kinematic pressure field sustainable...
Journal Articles
Int. J. Offshore Polar Eng. 30 (01): 20–27.
Paper Number: ISOPE-20-30-1-020
Published: 01 March 2020
...Scott Andrew Brown; Edward Jack Ransley; Pierre-Henri Musiedlak; Deborah Greaves This work concerns the quantification of numerical accuracy for focused wave interactions with floating structures, using results obtained via a commonly used computational fluid dynamics (CFD) and linear wave...
Journal Articles
Int. J. Offshore Polar Eng. 29 (02): 149–157.
Paper Number: ISOPE-19-29-2-149
Published: 01 June 2019
... mechanism (Ma et al., 2015) or the NewWave theory (Tromans et al., 1991). Artificial Intelligence floating production system subsea system Upstream Oil & Gas reservoir simulation FPSO accuracy qalefoam comparative numerical study fpso-like structure Isope Offshore elevation Wave...
Journal Articles
Int. J. Offshore Polar Eng. 29 (02): 158–164.
Paper Number: ISOPE-19-29-2-158
Published: 01 June 2019
..., in which they are compared against both physical and alternative numerical solutions. The model is based in OpenFOAM with wave generation achieved via linear superposition of first-order wave components, derived from the empty tank data. This work focuses on comparing the “blind” estimation of accuracy...
Journal Articles
Int. J. Offshore Polar Eng. 24 (03): 161–167.
Paper Number: ISOPE-14-24-3-161
Published: 01 September 2014
...Pietro Prestininzi; Michele La Rocca; Reinhard Hinkelmann The Lattice Boltzmann method (LBM) has proved to yield results with accuracy comparable to approaches based on 2D multilayer shallow water equations (MSWE) aimed at simulating gravity currents. The rapid diffusion of the LBM stems from...
Journal Articles
Int. J. Offshore Polar Eng. 22 (01).
Paper Number: ISOPE-12-22-1-038
Published: 01 March 2012
... network wave database, NOWPHAS. A domestic ferry service, which navigates the Pacific Ocean, is set as the object of this study. Field observations of ship motions were implemented when typhoons approached Japan. The accuracy of ship motions obtained using 2 types of simulation methods is verified...
Journal Articles
Int. J. Offshore Polar Eng. 14 (04).
Paper Number: ISOPE-04-14-4-265
Published: 01 December 2004
... remotely operated vehicle relative position underwater vehicle Artificial Intelligence accuracy subsea system inspection electrical industrial apparatus obstacle laser point underwater structure sensor autonomous inspection international journal multi-auv system cable localization smart...

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