... calculation coefficient platform empirical method wind load wind tunnel test assessment height coefficient wind force drilling equipment wind direction offshore unit simplification contribution upright condition knowledge management subsea system mooring system stability ABS , 2017...

... failure mode subsea system clamp friction spar otc 18986 bolt pretension inertial load fpso upstream oil & gas floating production system tlp drilling rig coefficient artificial intelligence wind force substructure derrick substructure footing tie-down clamp kip uplift...

... upstream oil & gas garden bank production facility line tension hurricane calculation coefficient wind tunnel test analytical calculation test result airgap wind force mooring system model test hydrodynamic model test procedure velocity profile OTe 7771 Aerodynamic and Hydrodynamic...

... model test frequency spectrum correlation subsea system otc 7146 calculation mooring system frequency dynamic tension upstream oil & gas dynamic tension turret prediction low frequency procedure fpso model test dynamic analysis wind force test result fpso tanker fatigue...

... export tanker lee model test low frequencymotion interaction otc 6945 tanker wind field bow hawser drift force tandem offloadingcondition otc 6945 feikema wind speed upstream oil & gas offshore technology conference wind force OTC 6945 Low-Frequency Motions of Tankers on Tandem...

... spectra turbulence drift force wind speed model test wind spectrum wind velocity computation wave drift force tanker surge motion wind spectra frequencymotion wind force wave spectrum resultsof tot spectral density frequency spectrum upstream oil & gas ABSTRACT...

... relative motion measurement wave condition relative motion standard deviation subsea system drift force wave direction feed-forward upstream oil & gas wind force force level wave drift force wave direction positioning drift force level simulation ship dynamic positioning...

... the total overturning wind forces and moments to be used for stability analysis and anchoring force analysis. The study comprises five alternative derrick designs: An open lattice derrick with full set back, a semi shielded derrick, a totally shielded derrick, a shielded derrick with round corners...

... years several papers have been published on the subject of wind forces and wind overturniOj moments on mobile offshore platforms ,4,5. Knowledge of the forces exerted by wind on semi- submersible platforms is necessary for at least two purposes, viz. 1. The judgement of the hydrostatic stability...

... display. Each of the routine computations is as given below: (a) Static Equilibrium Probe Routine: The multi-order Newton-Raphson method is used to determine the point of equilibrium among the constant external forces (wind force, tidal current force and wave drifting force), mooring force, gravity...

... positioning strategy. Intact and damaged stability calculations. Deck load carrying capacity In the various codes of practice for calculation of wind effects it is a common method to prescribe drag coefficients in non-dimensional form for different geometrical shapes. The wind force at a given wind velocity...

... wave height theoretical test correlation global marine development thruster wind force rayleigh distribution correlation spectral density amplitude coefficient glomar explorer frequency motion response heave test data case 2 test result upstream oil & gas force coefficient...

... production terminal houston salm riser dynamic analysis configuration upstream oil & gas texas buoy subsea system probability water depth production riser wind force OTC 3535 STRUCTURAL DESIGN OF PRODUCTION RISERS AND OFFSHORE PRODUCTION TERMINALS by W.R. Wolfram Jr., Exxon Production...

... of the model tests that provide the basis for the present paper was to acquire wind force and moment data for subsequent analysis of a semi-submersible's behaviour in wind, waves and current. The semi-submersible has a rectangular deck supported by three columns in each side above two ship shaped hulls...

... compartment elevation configuration column frame engineer drilling unit wave force drilling equipment wind force stability american bureau OFFSHORE TECHNOLOGY CONFERENCE 6200 North Central Expressway Dallas, Texas 75206 A Deep Water Mat-Supported Jack-Up Dr i I ling With Tubular Telescoping...

... of rotational symmetry about ~ 0= 900, the negative moment at 1jJ"" 1300 being much greater than the positive moment at IjJ 0= 400 This is due, presumably, to the presence of the fixed rudder and screw at the stern. 4. Steady Wind Forces and Moments The tests to measure wind forces and moments were conducted...

... test session deck load engineer amplitude experimental study upstream oil & gas relative motion platform panel ms-3 resistance mooring system wind force offshore technology conference leeward column institute subsea system configuration sea state criteria research program...

... and moments Wind forces and current forces are frequently presented as being composed of a drag force, in the direction of the flow, and a lift force, perpendicular to the flow direction. However, when describing the dynamic behaviour of a floating object, the equations of motion are usually related...