... sea 0 buoyancy state intellectual property office bridge simulation Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece, June 16 21, 2024 Copyright © 2024 by the International Society of Offshore and Polar Engineers (ISOPE) ISBN 978-1...

... of Submerged Floating Tunnel (SFT) represents an ambitious solution for crossing wide and deep-water bodies. The potential of building it boasts numerous advantages, such as structural efficiency through use of buoyancy, flexible tunnel alignment, minimised aesthetic impact due to submergence, and even...

... platform clearance gravity floating production systems effect dcop mathematics of computing stability ballast platform stability formula keel tank subsea system deep-draft cylindrical offshore platform displacement calculation buoyancy insufficient stability shanghai jiao tong...

... the level of each TLP ballast tank, the positive buoyancy of each TLP ballast tank can be quickly and effectively changed. By combining the positive buoyancy provided by the ballast tank and the tension under the hinge of the tension-leg platform, the tension-leg platform can carry out various underwater...

... is the turbulent kinetic energy caused by buoyancy, YM is the compressible correction term, Sk and S are the source terms of the k equation and the equation, Prk is the turbulent Prandtl number of turbulent kinetic energy, Pr is the turbulent Prandtl number of dissipation rate, C 1,C 2,C 3 are semi-empirical...

... of net buoyancy and the relative position of the center of gravity of underwater gliders was studied. The changes of glider's attitude from the adjustment of the heavy buoyancy were presented. Then, numerical analysis of the gliding performance under different ocean current velocities is conducted...

... artificial intelligence tether reliability geologist submarine glider coefficient modeling & simulation experiment accuracy geology hydrofoil buoyancy dynamic modeling worsen torque excitation sensor diagram case2 case3 case4 case5 case6 amplitude Proceedings...

... ABSTRACT In order to prevent the uncontrollable influence of residual buoyancy and residual torque on the motion control of AUV, a depth control method of AUV under unbalanced state is proposed. The control system is mainly composed of three parts: imbalance estimation algorithm, depth...

... ABSTRACT In this paper, the numerical model of ice is established based on nonlinear finite method, and the process of damage is simulated by means of the computational cohesive element model. The gravity, buoyancy and drag force are added to the motion equations of ice blocks to establish...

... ABSTRACT This paper performs series of parametric analysis, validated with Abaqus simulation, to establish optimum condition for deepwater drilling riser survivability in freestanding mode. Twelve parametric case studies are carried out on influencing parameters such as buoyancy can upthrust...

... can rotate fast to realize rapid direction change. An attitude regulation mechanism is used to ensure attitude stability and a buoyancy adjustment mechanism is designed to enable the vehicle to dive and ascend with low energy consumption. Finally, the excellent turning performance of the SUV is proved...

... of initial, balanced, continued and terminal are considered according to the dynamic feather of punch-through and applying the energy conservation method, the gravitational potential energy is converted to the buoyancy potential energy, leg deformation potential energy and potential energy absorbed by seabed...

... the survival of drilling riser is established. Sensitivity analysis is carried out to establish an optimum installation depth of buoyancy can (BC) and threshold conditions of the mechanical behaviour of FSDR in the two modes have been established. Results of BC dimension analysis showed that the mechanical...

... offshore sites are limited. The Bluewind concept is a design that allows the turbine tower to be raised and lowered through the center of a floater providing the needed buoyancy and stability. Installation as well as replacement or maintenance of blades and other parts of the turbine can thus be performed...

... crack problems. cem simulation result ice-structure interaction cohesive element element method upstream oil & gas resistance ice resistance collision hydraulic fracturing gürtner drag force ice model simulation needleman numerical model interaction buoyancy level ice...

...) and numerical studies (Xu et al., 2016, 2018b) that a higher dilution of jet is achieved if the wave effect is taken into consideration and there exists an optimal wave-to-current velocity ratio for the highest dilution. buoyancy chen equation good agreement wastewater turbulent buoyant jet...

... the water immersion volume of the main hull and the frictional resistance of the hull. The existence of the side floating body has the advantages of providing buoyancy and wave resistance. The connecting bridge increases the deck area of the hull and can arrange more cargo equipment. With better stability...

... by a buoyancy can system. The performance of the freestanding riser is greatly influenced by the ocean current, buoyancy upthrust, buoyancy can position and hydrodynamic coefficients. This paper presents the study on the freestanding drilling riser response under typhoon condition to understand the sensitivity...

... be implemented using buoyancy modules attached in the middle of the SLWR. The configuration of the SLWR varies depending on the density and flow pattern of the production fluid. In this paper, the initial configurations of the SLWR ware evaluated based on catenary equation taking into account buoyancy from...

... experiment load pattern horizontal force free surface elevation negative peak pressure distribution surface elevation horizontal plate hayatdavoodi buoyancy An Experimental Study on Wave Loads on a Submerged Horizontal Plate in Solitary Wave Qian Wang, Yongliu Fang, Hua Liu Department...