... solution. optimization problem sustainable development float shape sustainability artificial intelligence machine learning wave excitation force geometry algorithm evolutionary algorithm optimization result social responsibility wave energy converter optimal shape optimization method...

... to calculate the wave excitation force and amplitude response operator of two tankers considering the hydrodynamic interaction. Meanwhile, the influence of different side spacing on the hydrodynamic performance was analyzed. The hydrodynamic interaction of the side mooring system is not negligible...

...-submersible unit, including the effect of nonlinear wave elevations and nonlinear wave excitation forces, is investigated in time domain. Comparisons between the linear and nonlinear air gap are made to investigate the nonlinear effect. The numerical results indicate that the nonlinearity has a significant...

... (LCOE), a real-time latching control methods is being investigated. The latching control was first introduced by Budal and Falnes (Budal, 1980). Power absorption is achieved by locking and releasing the buoy alternately to keep the phase of WEC align with the wave excitation force. Babarit and Clement...

... (H ) + M (V ) + i e (Bi(jH ) + B(V ) ) + C(H ) + C (V ) j i e ij ij ij ij ij B(V Im + ni dS (10) ij j j =1 SV = F (H ) + F (V ) Wave excitation force and moments on the hull and the towed i i array can be obtained by (14) F (h) U RESULTS AND DISCUSSIONS i 1 + i e x...

... of the semi-analytical method of eigenfunction expansion and boundary matching and the multi-degree-of-freedom vibration theory. The results show that the opening radius of the damping plate will reduce the wave excitation force on the float. The float, the damping plate and the coupling radiation force...

... rubber rope loose state coefficient elongation subsea system metals & mining mooring line wave excitation force surge motion lft mooring system catenary mooring sea area parametric study yaw motion water depth diameter calculation condition em1 motion response sway motion...

... height and the wave height is non-causal and nonlinear which need future wave height knowledge for current wave excitation force. Therefore, The LSTM RNN is firstly utilized for multi-step prediction of the time series of wave elevation. The NARX FNN is used to address the model system identification...

... to maximize power absorption while minimizing the structural loads on the WEC system. Furthermore, a Kalman filter and autoregressive model were used to estimate and forecast the wave exciting force and predict the future dynamics of the WEC. The WEC's power-take-off time-averaged power and structural loads...

... natural period pontoon wave excitation force semi conventional semi structural hydrodynamic performance Hydrodynamic Performance of the Semisubmersible Platform with Multiple Small Columns Xiancang Songa, Shuqing Wanga, Yu Zhangb a College of Engineering, Ocean University of China Qingdao...

... converter ocean research wave energy utilization radiation wave excitation force social responsibility proceedings Wave Energy Conversion by Cylinder Array with a Bottom Slack-Moored Submerged Plate Wanchao Zhang, Hengxu Liu*, Liang Zhang, Hailong Chen College of Shipbuilding Engineering, Harbin...

... by horizontally towing and up-righting at the installation site. drag force wave excitation force imaginary part rao nonlinear dry tree semisubmersible heave plate modular column cancellation period heave motion rao pontoon upstream oil & gas configuration floating production system heave...

... and those without pit calculations. It is noteworthy both in Fig 3 and Fig 4 that the negative added mass is observed near kL=10 for the prediction of the in-tank uniform depth water and the with pit situations. 212 Figures 6 to 8 illustrate how the wave excitation force and phase change for surge, heave...

... distribution and an eigenfunction expansion in an inner and an outer sul)-regions of the fluid domain respectively. The method is then applied to find the hydrodynamic reactive coefficients of added mass and fluid damping, wave excitation forces and motion responses. A hemisphere, an ellipsoid and a ship model...