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Keywords: prediction
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Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-087
... Time-domain Approach for Speed Loss of Ship in Waves Jae-Hoon Lee, Yonghwan Kim Department of Naval Architecture & Ocean Engineering, Seoul National University Seoul, Korea ABSTRACT This study considers the prediction of speed loss of ship in waves by using time-domain seakeeping-maneuvering...
Proceedings Papers

Paper presented at the The Thirteenth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 14–17, 2018
Paper Number: ISOPE-P-18-025
... revolution wind energy noise prediction rotational speed quadrupole noise noise artificial intelligence prediction wind turbine aerodynamic noise renewable energy vawt turbulence model reservoir simulation experimental data tip speed ratio vortice equation thickness flow field...
Proceedings Papers

Paper presented at the The Twelfth ISOPE Pacific/Asia Offshore Mechanics Symposium, October 4–7, 2016
Paper Number: ISOPE-P-16-066
... slope on the overtopping rate through simple dimensionless parameters. The performances of the new formulae were then compared with those of the existing empirical prediction formulae. Statistical indicators such as Root Mean Square Error (RMSE) showed that the new formulae are better predictors than...
Proceedings Papers

Paper presented at the The Eleventh ISOPE Pacific/Asia Offshore Mechanics Symposium, October 12–14, 2014
Paper Number: ISOPE-P-14-098
... historical tidal data are randomly selected as the training set to determine the hyper-parameters of the GPR model, and the others are used as the testing set to predict the tidal data. Finally, extensive experimental results show that GPR machine learning method can be used to predict the tidal data...
Proceedings Papers

Paper presented at the The Ninth ISOPE Pacific/Asia Offshore Mechanics Symposium, November 14–17, 2010
Paper Number: ISOPE-P-10-003
... noise and to predict the noise map in offshore wind-farm. For the analysis of the flow field around wind turbine blade, the unsteady vortex lattice method is applied, the panel code X-FOIL is used for boundary layer properties of airfoil. The acoustic analogy and semi-empirical method is used...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-032
... the coastline and a large area of shallow shoal expose to the air. The water level lowering is a potential threat to the navigation of super bulk carrier or giant oil tanker. Previous studies focus on the long-term prediction of extreme water level for structural design (i.e. Gumbel, 1954; Lennon, 1963; Yang et...
Proceedings Papers

Paper presented at the The Seventh ISOPE Pacific/Asia Offshore Mechanics Symposium, September 17–21, 2006
Paper Number: ISOPE-P-06-045
... of finite depth water to vessel draft is less than or equal to four. Therefore, the finite depth water seakeeping study will be adopted and applied it to the shallow water case. So, a numerical seakeeping prediction tool is developed, in which, an algorithm is developed to solve the zeroforward speed free...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-009
...STUDY ON PREDICTION OF SNOWDRIFT AROUND BUILDINGS IN ANTARCTICA H Mltsuhashl NillOn (Tnhels!ty Tokyo. HPA.N Abstract In thiS paper, the author descnbes the wmd tunnel expenment of artificial snowstorm 10 which model snow IS used as one of the means of predlcung the patterns of snowdrifts...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-153
... strain-rate sensitivity spring coefficient coefficient procedure study result offshore structure deformation displacement prediction modification factor parametric study correlation equation equivalent mass design equation tubular member eqn collision offshore tubular...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-075
... ABSTRACT: A brief overview is given of researches on the prediction methods of hydrodynamic force on a body moving in waves and having a steady -advance speed. Then two methods developed by the present author for computing hydrodynamic forces are presented and their results are discussed...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-085
...). The gross features of the flow field such as the vortex shedding frequency, the drag coefficients and the vorticity shedding rate predicted in their studies are In fair agreement with experimental measurements. The discrete vortex calculations of the detaIled features of the near wake, such as 221...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-071
... Technique is employed to compute theoretical values at various cylinder separation for a full range of frequencies for both deep and shallow water. Comparison with experimental results shows that the analytical method performs well in predicting the behaviour of induced forces between nearby cylinders...
Proceedings Papers

Paper presented at the The First ISOPE Pacific/Asia Offshore Mechanics Symposium, June 24–28, 1990
Paper Number: ISOPE-P-90-092
... ABSTRACT: A reliable and economical hybrid integral-equation method is proposed for predicting wave-induced dynamic responses of ocean platforms of complex geometry This is based on combining a direct boundary element solution of the fluid region close to the body with an eigenfunction...

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