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Keywords: accuracy
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Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1150
... wind, air pressure, and precipitation, and the increase and decrease of water caused by seasonal climate factors. This is the main reason that restricts the accuracy of traditional water level prediction models. With the development of artificial intelligence, neural networks and fuzzy logic reasoning...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1209
... techniques. The main methods to study the change of tidal flat morphology include field observation (Gong, Jin, Zhang, Zhou, Zhang, and Li, 2017) and remote sensing retrieval. Field observation (Elgar and Raubenheimer, 2011; Hughes, 2012; Vandenbruwaene, Meire, and Temmerman, 2012) has a high accuracy in...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-1280
... efficient prediction of the waves. Machine learning has been widely applied in ocean engineering field as it offers compromise between prediction accuracy and computational cost. The present study focuses on wave-force prediction of offshore structures based on deep machine learning algorithms. A novel wave...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3103
... smooth and much better approximated with consistent accuracy of O(10 −6 ) and less partitions. Furthermore, the added-mass and damping coeffcients around a hemisphere are given as an example of benchmark results. Finally, the mathematical and physical aspects of the Green's function for wave frequency...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3137
... the flat plate under the impact of airflow, which is the representative of the FSI problems. By comparison, our developed partitioned RBF-based interpolation shows the global efficiency and accuracy. In particular, the relationship between the error estimate of the RBF and the filling distance of the...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3249
... monetization accuracy information neural network model test prediction result polar eng conf experimental condition database experimental result sea condition isope prediction application distribution function machine learning lng network prediction data mining artificial neural network...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3162
... propeller and violent vibration of the stern structure. Besides the model experiment, it is necessary to construct a numerical method with enough accuracy to predict and analyze the wake field of this type ship to meet the requirement of engineering application. Additionally, it is essential to analyze...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3212
... ABSTRACT This paper presents numerical modelling results of the interaction between a group of steep waves and a fixed vertical cylinder performed with a one-way coupled hybrid model. A set of experimental data is used to benchmark the accuracy of the modelling results. The wavemaker signal...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3201
... H., 2017) based on EOM (Euler Overlay Method, Kim et al., 2012). Wave elevation and impact pressure at typical position are calculated and compared with the benchmark model test data. Results show that the coupled potentialviscous flow method has reasonable good accuracy in predicting wave elevation...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-457
... near-field pressure integration method. By comparing the calculated results with the experimental data in literature, it is shown that the variation trend and peak value are in good agreement, and the accuracy and efficiency meet the research requirements. The present method provides an approach of...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-462
... simulating the heating process. Transversal inherent strain is linearized from the computed distortion of the flat plate and applied in the elastic analysis, using higher order Gauss-Legendre (4-nodes shell elements). The accuracy of the proposed method is demonstrated by comparing the angular distortion of...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-637
... accuracy and high sampling rate, the installation of LVDT is quite time-consuming. Besides, a fixed support is required as the reference point, which may be impossible in some applications. The global positioning system (GPS) also can be applied for the displacement measurement. This technique was adopted...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-628
... possible with satellite, lidar or radar imaging. The major challenge with these methods is the lack of spatial accuracy. Here optical systems have their merits. This work has the objective to further the principle of stereographic measurement of ocean waves to a practical applicable method. We describe the...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-593
... domain of a stability problem. The key benefit of this algorithm is that it requires fewer nodes to attain a given degree of solution accuracy, reducing the amount of computer memory and processing time needed for an analysis. This paper demonstrates the performance of ADLO by applying the method to...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-558
... equation university coefficient energy conservation marine transportation kc ship model numerical simulation method resistance accuracy waveheight chart numerical calculation result motion response full scale ship Research on the Effect of Wave Added Resistance on Ship's Minimum Propulsion...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-603
... control hpht well detection threshold annular pressure drilling south china sea sensor artificial intelligence overflow well-log data hthp well parameter characterization monitoring accuracy big data overflow monitoring upstream oil & gas fusion method feature extraction method data...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-639
... being affected by light and underwater sound attenuation effect (Caruso, 2000). effective location application magnetometer detection physical model pipeline analytical solution accuracy midstream oil & gas geomagnetic field equation offshore pipeline error analysis random error...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-604
... pressure prediction method of multi-source and multi-mechanism as well as Thermo-Solid coupling calculation model, pre-drilling prediction accuracy has been improved. Wellbore structure is optimized and a safe dual medium continuous circulation drilling system to increasing drilling success rate is...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-575
...://www.ecmwf.int/en/forecasts/datasets/set-ii ). However, those did not guarantee: their accuracies are not sufficiently high to directly apply those to nearshore areas for the decision making in the complex coast in Japan. group method wave height coefficient artificial neural network accuracy rmse...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-261
... addition, it can lead to better classification accuracies form considerably decreased vibration during liquid accumulation of the severe slugging cycle. In this study, accelerometers are installed from the bottom to the top of the vertical riser. Simple features based on statistics and linear prediction...

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