... interaction conservation multi-dilated polyhedron element equation of state rotation concentration frequency arctic mooring platform mathematics of computing platform collision motion response ship dem Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference...

... at a water depth of 50m, and compared their performances in terms of the motion response, mooring line tension and preliminary cost. Finally, two mooring designs were chosen for further study of mooring design in shallow water. Fan et al. (2022) proposed a low-tension hybrid mooring for floating structures...

... of freedom (6-DoF) motions measured by the qualisys system, wave-induced loads measured by tension gauges, and vertical acceleration measured by an accelerometer considering different wave directions and speeds. The results obtained in regular waves consist of 6-DoF motions (response amplitude operator...

.... The numerical results suggest that arranging the notch on the recess decreases the piston and 1st sloshingmode natural frequencies. In addition, the drillship s motion response is related to the moonpool s piston and sloshing-mode resonance. KEY WORDS: moonpool, piston motion, sloshing motion, potential flow...

...-axis component of moments acting on the hull and S is the ship wetted area in calm water. Meanwhile, transfer functions (TF) are calculated to quantitatively analyze the ship motions in waves. The nondimensional motion responses of heave and pitch motions are defined as TF3=z1st/A and TF5= 1st/kA...

... capacity. (Clauss, 2010) carried out the model test research of the liquefied natural gas (LNG) ship under wave loading, captured the relative motion of the liquid in the hull and the tank under different wave periods through the camera built in front of the tank, and analyzed the coupled motion response...

... researchers with the same ship type. Secondly, the motion responses of the ship in regular waves in various wave directions due to the effect of the LNG tank are presented. Thirdly, the wave drift forces due to the effect of the LNG tank are also investigated in various wave directions. Finally, the effect...

.... container motion response envelope subfigure slideable container frequency numerical result irregular wave exciting force nonlinear europe government natural frequency stiffness equation time sery united kingdom government wave elevation fish cage upright circular container timokha...

...) surge and pitch motions are observed in the referred model tests, which are reproduced by the present second-order time-domain model with reasonably good accuracy. The linear model is shown to significantly underestimate the motion responses close to the wave-focusing time and the large-amplitude...

... are in good contrast with experiment in the static equilibrium loading conditions. Moreover, the free-decay curves show that the heave motion is entirely consistent with experiment, and the error of pitch and surge are less than 10%. The motion response at the wave crest position is basically consistent...

... responses and have a positive effect on the coupled motion of the trimaran. asia government oblique head wave characteristic encounter period upstream oil & gas trimaran pitch motion motion response forward speed china government wave steepness history ship motion simulation hull t...

... Resistance in Head and Oblique Seas Shuguang Wang, Byung-Soo Kim, Zhang Zhu, Jun-Hoi Choi, Yonghwan Kim Department of Naval Architecture and Ocean Engineering, Seoul National University Seoul, Korea ABSTRACT This work presents CFD computations of ship added resistance and motion responses in head and oblique...

... model is firstly verified against the experimental data for the motion responses of the CorPower Ocean buoy in regular waves. Then the wave interaction with multiple CorPower buoys is investigated, and the interference between multiple buoys is discussed. The surface elevation field near the buoy...

... the aerodynamic force and the hydrodynamic force respectively. The motion response of platform and aero-elastic response of the wind turbine blade are calculated respectively under wind and wave coupling conditions. And the FOWT motion responses under different angles of wind and wave are calculated. The results...

... s. Satisfactory independence of space can be obtained in Figs. 6-7, which presents the heave variation of No. 5 WEC over four wave periods. It should be noted that the PTO was not taken into account during the convergence study of numerical model, we mainly focused on the motion response of float...

... united states government sub-sea system wind turbine reservoir simulation sustainable development semi-submersible platform motion response sustainability modeling & simulation platform wave condition experimental value natural period equation hydrodynamic response analysis...

... is the effect of turbulent wind and turbulence intensity on the motion response of the FOWT, and the other one is the tension variation of semi-spar suspension ropes when the wind and waves are in different directions. The simulation results show that the turbulence intensity has significant impact on the surge...

... in the numerical models, and these are compared to experimental results, using a 1:70 scale model of the system. Comparisons between the numerical models and physical experiments are made. Results of surge motion response and line tension are presented for the decay tests and focused wave tests. The numerical...

... and Abdussamie, 2017) set up a test model of a semisubmersible platform to study its motion response under different steepness of focused waves and found that the magnitudes of heave and pitch motions increases as wave steepness increases. Non-linear hydrodynamic effects of irregular waves have been shown...

... scatter plots of significant wave height and energy period are prepared, future considerations are discussed for the device size adjustments under different wave climates. KEY WORDS: Multi-axis wave energy converter; Wave climate; Point absorber; Motion response; Gaussian Sea; Wave reanalysis...