... simulations. It is found that the viscous effect on the given pontoon design is not significant in the vertical motion due to small heave responses. Instead, the structural damping of the bridge girder and the potential damping of the pontoons are more important. On the other hand, the viscous effect...

... sea sullivan regular wave heave response air cushion vehicle acv investigation bag-to-cushion pressure ratio regular bow experimental result Experimental Investigation of the Motion of a Fully Skirted Air Cushion Vehicle in Regular Waves Ning Liu1,2), Fengxuan Zhuo1,4), Xueqian Zhou1,2...

... to an offshore renewable energy device, the present case study optimizes the mooring system simultaneously minimizing the cumulative fatigue damage in the mooring lines while also maximizing the heave response which is responsible for the energy generated by the device. INTRODUCTION As society moves to reduce...

... current controller-magnetic powder brake system heave response time series pto wave energy converter ocean energy heave natural period wave pressure amplitude pressure amplitude wave amplitude position 1 renewable energy amplitude sustainability wave load sustainable development...

... with the damping of generator. It is also demonstrated that the outcome is sensitive to the distance between the two moving bodies and local wave condition. sustainable development heave response openfoam power production coefficient floater renewable energy efficiency numerical simulation equation...

... Abstract In the present paper, effect of heave plate on heave response of spar is investigated for spar with single and two heave plates. Free decay test is conducted experimentally on 1:50 scale model of spar without heave plate and spar with single heave plate for finding the heave natural...

... by using STF. Based on numerical results, it could also be concluded that the forward speed effect on the free surface is significant, while the viscous effect is unimportant for the motions. wpc forward speed experiment strip theory fn 0 stf heave response fast sea transportation...

... heave response head sea 1-year loading upstream oil & gas riser natural response period conductor system moonpool sensitivity analysis fatigue response The Effect of Semi and Drillship Response on BOP Stack Motion and Casing Fatigue in Shallow Water John Pyke, Peter Ma, and Alan Whooley...

.... different separation distance fpso roll response motion response floating production system investigation relative size relative angle barge wave potential beam wave interaction subsea system different relative angle lee side arrangement separation distance heave response sway response...

... are +19.89 m and -17.373 m respectively. The mean and standard deviations are 0.412 m and 8.714 m at deck level while at CG level these values are 0.3904 and 1.965 respectively. The heave response under Hs = 6 m, Tz = 14 sec wave is shown in Fig. 4. The time history shows the cluster of reversals occurring...

... head seas of significant wave height 4.5 m, 6.5 m, 10.0 m and 12.2 m were measured. universal nonlinear input-output model nonlinearity input wave high sea suresh rajendran ltf simulation pitch response experiment qtf vertical motion university heave response marine transportation...

... A RANS Simulation of the Heave Response of a Two-Body Floating-Point Wave Absorber Yi-Hsiang Yu and Ye Li National Wind Technology Center National Renewable Energy Laboratory (NREL) Golden, CO, USA ABSTRACT This paper presents a preliminary study on a two-body floating-point wave absorber...

... irregular wave subsea system regular sea wave dynamic response matrix heave response numerical code water depth fpso mass matrix wave force nonlinear excursion upstream oil & gas floating production system platform mooring system physical model Nonlinear Coupled Dynamic Response...

... information and finally the motions of time histories of 3 hours are simulated. The response spectra under three different extreme ocean environment conditions are analyzed and compared. The simulative results reveal the favorable motion performance especially the heave response. KEY WORDS: deepwater platform...

.... Despite the significant surge, throughout the wave impact there is not a significant heave of the structure and at 16 seconds, the platform deck is still significantly above the initial water level. Effect of Wave Impact Angle on the TLP The surge and heave responses for wave impact on the TLP are shown...

... plates has a significant impact on their effectiveness. When not located properly, heave plates could increase the heave response of a semisubmersible and would not be beneficial. Parametric study results on the heave responses of the semisubmersible with heave plates at different elevations are first...

... that the transmission coefficient for vertical mooring condition (0.34 to 0.65) is lesser than that of 3 rows of pipes with inclined mooring (0.61 to 0.81). The sway, heave and roll responses were measured using displacement transducers and presented in Fig 5. Comparing the results it is noted that the heave response...

... piston ocean energy surge response edinburgh numerical prediction single degree heave response free-floating configuration dynamometer amplitude sustainable development tank renewable energy sustainability wave period power takeoff mechanism Paper No. 2006-jsc-182 Payne 1 Numerical...

... of the platform does not influence the coupled surge response of triangular TLP. Heave Response of Triangular TLP Effect of Wind on Coupled Heave Response under the Presence of Random Waves The coupled heave response under these random waves and wind are given in Table 8. By comparing the maximum + values...

... natural gas calculation fpso lng heave response frequency lng carrier subsea system arrangement experimental result inoue parallel arrangement A Numerical Investigation on the Behaviour of Multiple Floating Bodies of Arbitrary Arrangements in Regular Waves Yoshiyuki Inoue and Mir Tareque Ali...