... ABSTRACT In this study, the motion response of a typical semi-submersible offshore platform with six columns is analyzed for two scenarios: with or without the cover of breakwater. The influence of the cover area and layout of breakwater on the motion response of the platform has been...

... machine learning motion response heave network model artificial intelligence output data hot spot fatigue damage fatigue damage prediction neural network prediction sea state response spectrum calculation fatigue damage ship motion reference data mesh ABSTRACT A novel...

... predicting the motion response of trimaran in waves is a prerequisite for trimaran's design. However, the nonlinearity between main hull and side-hulls is high so that the potential flow theory is not suitable to study the seakeeping performance of trimaran. Therefore, the computer fluid dynamics (CFD) based...

... in the uniform depth of water without the effect of topography. Furthermore a flexible mooring system with three mooring lines is also designed to further strengthen the stability of the SWATH followed by the time domain analysis to assess the hydrodynamic forces motion responses and mooring system performance...

... is equal to that in transverse. Tian, Liu, Wang,and Xiao(2020,2021) studied the VIM characteristics of the TLP under typical flow direction angles through numerical simulation and Drag pool test. The research shows that the lateral motion response of the tension leg platform is the most significant...

... faces rough sea state. Facing with rough sea state, roll and pitch of ship is too large to comply with strict quality requirement. It is not easy to predict if the ship can construct, because it needs accurate sea state, ship motion response, and motion limitation requirement. The construction...

..., it can be seen that the thrust force set by user-force with relative wind speed is more matching with the actual situation. The platform of barge-type FOWT with an aquaculture cage is a reasonable design, since the motion response meets safety specifications for various environmental load conditions...

... ABSTRACT Freak wave is a type of extreme wave that threats ships and offshore structures. However, few researches have be conducted on the ship motion response caused be freak waves. In order to better understand the influence of freak wave, heaving and rolling of a container ship caused...

... of the polar ship in any extreme sea condition, this paper demonstrates the capability for the simulation of ship-ice-flooding interactions in still water. The main purpose is to investigate the effects of the ice floes and concentration on the flooding process and motion responses of the damaged ship...

... ABSTRACT This work presents CFD predictions on ship added resistance and motion response in waves using the CFD solver snuMHLFoam, an in-house package developed on OpenFOAM. Both captive and free-running tests in waves are carried out for the container ship model (H-CNTR) to study the effects...

... wave directions at zero speed. An Optical-based system was used to measure the six degrees of freedom (6DOF) motion of the ship. Firstly, the motion responses of the ship in the irregular waves in various wave directions are investigated. The time histories of the ship motion response are transferred...

... learning neural network accuracy upstream oil & gas artificial intelligence autogluon deep learning subsea system automl automated machine learning ping li cable prediction accuracy damage identification multiple model cog detection motion response engineering offshore structure...

... to study the motion response of floating wind turbine. By comparing the motion response of mooring system with and without accessories under the same working condition, the influence of the use of buoy and clump weight on the motion response of mooring system is analyzed, and the optimal mooring...

... numerical model for moored floating structures. The numerical model is validated against model experiments of a scaled semi-submersible, and the results show that the numerical model can accurately simulate the motion responses of moored floating structures. Furthermore, numerical analysis on the effects...

... ABSTRACT Braceless semi-submersible floating offshore wind turbine (FOWT) is subjected to environmental loads during its service, and the different combinations of wind, wave, and current environmental loads have different contributions to the motion responses of the offshore wind turbine...

... motion response of the semi-submersible floater in waves of various steepness and periods including focused wave groups, demonstrating its accuracy and capability for FOWT applications. INTRODUCTION Continuously growing demand of clean energy from the ocean has driven a rapid development of both o...

... the present method. Then the influence of the vertical towed array was added to the motion equations by modifying the added mass, damping coefficients and wave excitation forces. The results indicate that the motion responses of the SWATH vessel decrease with the presence of the vertical towed array...

... towards the deep-water areas, the motions response of the floating platform should be taken into account, which is the biggest difference from onshore wind turbines. Because of the different degree-of-freedom platform motions, the lopsided loads and unsteady motions are always taken place in FOWT (Chen...

... have gradually become the trend of offshore wind turbines (Rodrigues et al., 2015). Under wind-wave-current loads, there are strong interactions between the wind turbine and the floating platform. The aerodynamic loads transformed via tower affects the motion responses of floating platform, and the six...

... pitch and coupled motion. The emphasis of the research is that the platform can adjust the load phase between the wind turbine and the wave power generation device through the control system to reduce the motion response of the platform. Through the existing model design scheme, it can meet...