... ABSTRACT This study considers the prediction of speed loss of ship in waves by using time-domain seakeeping-maneuvering coupled approach. To this end, the time-domain seakeeping analysis based on the three dimensional Rankine panel method is coupled with the modular type 4- DOF maneuvering...

... and is mainly associated with the interaction of turbulence with the blade surface (Ghasemian, Ashrafi, and Sedaghat, 2017). Mechanical noise can be decreased by some engineering methods, while the reduction of aerodynamic noise is still a problem. revolution wind energy noise prediction rotational...

... 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...

... 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...

... 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...

... 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...

... 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...

... 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...

...). 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...

... 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...

... 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...

...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...

...Proceedmgs of the FII st Pacljt<IAs/G Offshore Mechamcs SymposIUm Seoul, KG/ea, 24-28 June, 1990 Copyl/ght © 1990 by The Intel natIOnal SOCiety of OffshOie and Polm EnglneelS PREDICTING THE EXTENT OF DAMAGE OF OFFSHORE TUBULARS DUE TO COLLISIONS 5 R Cho Ullilelily of UlsdIl aIl, I{ORE.t P A Frieze...