... movement. The focus of this study is investigating the effect of the LNG tank on the LNG carrier's motion and wave drift forces. In order to investigate the effect of the LNG tank, a model test in waves of LNG carrier was conducted in the wave tank at Changwon National University with and without the LNG...

... midstream oil & gas tanker interaction side-by-side hydrodynamic performance receiving tanker sway side-by-side mooring gas monetization freight & logistics services wave drift force velocity potential engineering rao Proceedings of the Thirty-third (2023) International Ocean...

... move with a certain drift angle. In this paper, TEBEM method (Taylor expansion boundary element method) is used to calculate surge and sway wave drift forces and yaw drift moment of a ship with drift angle in oblique waves, and the comparison is made with the wave drift load of a ship without drift...

... only the effects of ship forward speed in the evaluation of mentioned problem can be classified into several categories. Among wave drift force and moment. In this study, a new two-time scale model them, the two-time-scale model and the direct coupling model are the is proposed to overcome...

.... subsea system environmental condition global analysis upstream oil & gas calculation mooring system ocean basin artificial intelligence model test water depth pontoon wind field coastal structure drift force spectra interaction verification basin bridge floater wave drift force...

... ABSTRACT The hydrodynamic interactions among multiple floating bodies are expected to be complex and large at certain frequencies of incident waves, which can cause high wave elevations and large wave drift forces. The optimization of the distance between adjacent floating bodies, the draft...

... Computation of Wave Drift Forces and Motions of DTC Ship in Oblique Waves Cong Liu1, Jianhua Wang1, Decheng Wan1*, Xinguo Yu2 1 Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, State Key Laboratory of Ocean Engineering, School of Naval Architecture, Ocean and Civil...

... cylinder coordinate system central body optimization velocity potential amplitude motion equation artificial intelligence kashiwagi incident wave renewable energy l-th body inner central cylinder outer cylinder wave drift force diffraction problem central cylinder ocean energy...

... to involvement of less marine spread and higher operability, and also to operational safety due to a shorter exposure period. The DP-assisted float-over method thus offers clear advantages over the traditional, mooring-assisted approach. thruster wave drift force dnv gl operation requirement...

... Abstract For a special arrangement of multiple floating bodies, it is known that the wave drift force acting on a body surrounded by a finite number of bodies becomes zero at a certain frequency due to hydrodynamic interactions; which is related to ‘cloaking’ phenomenon. In order to study...

...-averaged steady forces of second order which are called the wave drift force. In this paper, it is shown that the wave drift force on a floating body can be reduced to almost zero at a specific wavenumber, by placing extra supporting columns in a way of surrounding the floating body and utilizing...

.... The hydrodynamic forces, wave-induced body motions, wave elevation on the free surface, and second-order wave drift force are computed at various wavelengths. The accuracy of computed results is confirmed by checking the Haskind-Newman and energy-conservation relations. By extending the longitudinal length...

... ways and though of the same origin, they have been called by different names. motion response wave force subsea system beam sea order wave force drift force coefficient wave drift force steady drift force wave height formulae amplitude upstream oil & gas evaluation weggel nd...

... The reciprocal forms of steady wave drift force and moment for a freely floating body in regular waves are derived from the momentum theory. The forms for surge, sway and yaw are similar. The expressions in the near field and in the far field are similar too except for sign. The forms consist...

... redundant DPS-3 positioning system consisting of 8*4.6MW azimuth thrusters. In order to obtain accurate information of DP environmental loads, DP environmental loads on Semi are calculated and a 1:50 scaled model test was finished to prove the calculation; the wave drift force is mainly discussed, in which...

... sea condition bernitsa phase diagram different sea condition amplitude excursion downstream upstream oil & gas wave drift force time domain excursion subsea system wave excitation frequency frequency equation mooring system excitation frequency buoy order runge kutta method...

... In this paper, Maruo's formulas of wave drift forces acting on a freely floating body in waves are derived without the momentum theory. Firstly a method to estimate the surface integral of freely floating body is proposed. Then Kashiwagi's 1st and 2nd reciprocity, that is the energy conservation...

... of excitation by the nonlinear wave components with the difference frequency in (2). These nonlinear exiting forces are quadratic in wave height and recognized as the varying wave drift forces. They may be quantitatively small but the floating body could be drifted into a large excursion in the horizontal plane...

... ABSTRACT A formulation for the estimation of the low frequency damping and the quadratic wave drift force transfer function will be presented in this paper. Synthesized time series of the waves and low frequency motions are analyzed. Parameters influencing the stochastical nature...

.... This towing support tool is called Optimum Towing Support System (OTSS). This system provides the support for towing operation. It also includes the drift motion such as drift speed and direction with different ship types. The paper describes the flow of the system and also elaborates on the wave drift force...