..., a thorough understanding of the coupled dynamical mechanics is required when using the cooperative multi-crane lifting with two vessels. operation model experiment numerical method proceedings upstream oil & gas lifting operation motion rao barge subsea system offshore supply vessel...

..., the 2nd order diffraction quantities such as drift force and QTF are also affected by motion RAOs. In this paper the drift force coefficients and QTF calculation are based on the RAO where a Morison drag formula is included, and two cases are studied to investigate the effects of viscous loading...

... and maintenance. heave motion general arrangement motion rao motion performance sandglass-type model platform subsea system pitch motion response cylindrical model sandglass-type fpso upstream oil & gas floating production system requirement artificial intelligence stability...

.... engineering free decay comparison vessel motion rao offshore pipeline free decay test hydrodynamic coefficient coefficient model test hydrodynamic analysis top tension upstream oil & gas numerical simulation operation model test result motion rao numerical model midstream oil & gas j...

... damping, and wave excitation forces. These hydrodynamic coefficients were utilized in calculating motion RAOs and drift force RAOs. Sloshing frequencies in moon-pool The natural frequencies induced by a rectangular moon-pool, which has a length(l), a width(b) and a height(h), are analytically represented...

... to be connected with horizontal pontoons, was designed for this system considering arrangements of multiple WTs and WECs. A mooring system and power cable were also designed for the position keeping and the electricity transmission. wec sustainable development heave motion motion rao social...

... by MARINTEK, and an excellent agreement has been obtained between experiment and numerical simulation. Both simulation and measurement accurately captured extra peaks in motion RAOs besides natural period of motion itself, which reflect the impact of multi-body interaction. gangway motion evaluation...

... interaction. Regular wave results were also analyzed as part of this study. experiment motion rao tension leg platform simulation tendon good agreement tender semi-submersible interaction multi-body system upstream oil & gas coefficient subsea system characteristic numerical analysis...

... the requirements of BSEE, it had been proved that the original fatigue analysis approaches are practically conservative and the fatigue strength of the platform is adequate. wave period fatigue analysis subsea system fatigue damage truss-spar platform tow fatigue damage motion rao time history...

... and uncoupled sloshing effects are considered. Based on the present observation, it is expected that the proposed methodology is applicable to the selection of severe sea states for sloshing loads analysis. tank scatter diagram coefficient midstream oil & gas lng maxvz experiment motion rao...

... hybrid approach gulfstar global response wave frequency summation approach stiffness installation stiffness wave probe wave peak period variation model test airgap scr validation motion rao upstream oil & gas truncation storm stiffness fpso subsea system Validation of Gulfstar...

... are nonlinear and stochastic, global tank loads and LNGC motions are deterministic. The coupled motion RAOs and metocean data were used to predict the vessel motion time series for tank sloshing test. INTRODUCTION The motions of an LNG Carrier (LNGC) transporting LNG in the open sea or performing loading...

... problem, because they are based on frequency-domain solutions. An impulse response function (IRF), which is regarded as a time-domain approach, also uses frequency-domain solutions. rpm multiple-body problem motion response motion rao symp naval hydrodynamic ship motion frequency...

.... stiffness buoyancy natural period heave motion upstream oil & gas fully-coupled model truss spar configuration tank semi-coupled analysis top tensioned riser riser motion rao tensioner semi-coupled model spar coefficient wave period motion response lateral Coupled Spar Response...

... motions with the lightly damped system; nonlinear hardening mooring system and feasible riser system. upstream oil & gas longitudinal water depth tp 12 heave floating production system pitch motion surface particle velocity shear force global dynamic response motion rao vessel...

... adopts the inverse Fourier transform of the frequency-domain solution (Cummins, 1962). coupling effect tank ship motion simulation excitation retardation function linear ship motion nonlinearity faltinsen frequency-domain solution motion rao frequency filling wave slope roll motion...