.... wellbore integrity operation structural stability wellbore design resistance displacement geology frequency drilling conductor software influence factor yang jin production technology geologist pipe conductor hammer frequency equation bohai sea Proceedings of the Thirty-fourth (2024...

... of computing position equation stiffness coefficient cavitation pressure strength engineering fluid-structure interaction interface schiffer interface mpa coefficient underwater explosion fluid dynamics study intensity time tagarielli evolution Proceedings of the Thirty-fourth (2024...

... amplitude information fusion correction coefficient platform semi-submersible platform operator simulation calculation accuracy hotspot numerical simulation artificial intelligence assessment safety assessment establishment monitoring integration comparison equation Proceedings...

... response of the crane vessel and topsides. Huang et al. (2018) deduced the 6 DOF motion equations of the rectangular topsides and the lifting cable dynamic tension based on the second Lagrange equation. Luo et al. (2020) developed a coupling motion model of mooring-crane vessel-rigging-large topsides...

... the detailed approaches for the three COLREG scenarios described in the introduction. CROSSING If equations (7) and (8) are satisfied and there is no overtaking, a crossing condition is encountered. According to the COLREGs, in a crossing condition, the vessel that can see the other's port side - the one whose...

... with finite degrees of freedom by using the 3D structural finite element method (Wu, 1984). Its basic dynamic equation is M U C U K U P F G (1) 17 where M is the mass matrix of the system, C is the damping matrix of the system, K is the stiffness matrix of the system, U is the node...

... equations. The IPM (Integrated Production Modelling) which developed by Petroleum Experts Company connects the gas reservoir material balance model, wellbore model and ground pipeline network model to establish an integrated production dynamic model, and sets optimization objective function according...

... ABSTRACT The dilution rate is estimated by using the solutions from the analytical formula, based on the convection and diffusion equations for the concentration from the point continuous source and the diffusion coefficients which are obtained from the numerical results under full-scale...

... the solving process, grid positions can be appropriately adjusted based on defined parameters to prevent severe distortion. It is governed by the following conservation equations(Gong, 2019): + div(u ) + (u w )grad =0 t u + (u wgrad (u div( ) + g t e + (u wg r =a d (e) : grad (u...

... fits to empirical equations for base shear and overturning moment in terms of wave crest height, zero-crossing period, directional spreading factor, current speed, angle between current and mean wave directions, wind speed and angle between mean wind and wave directions. The empirical equations...

.... Huang et al. (2015) derived the p-y curve of clay shown as Eq. 1 using the strain path method based on the stress-strain relationship of clay. p = r0N psu + 1.5 Mc r0 su + 0.5 Ey ( ) r0N psu + 1.5 r0su / M c 2 2 Er0N psu y (1) In the equation, r0: pile radius; Np: ultimate bearing capacity factor...

... theory. Based on the in-plane and out-of-plane control equations and harmonic principles, an analytical relationship is established between the in-plane internal force, out-of-plane forces, in-plane displacement, and out-ofplane displacement of the coupled plate at the boundary connection under...

... corrosion tests with three solutions, and found that alkali/seawater solution had the greatest impact on the durability of GFRP bars. Zhao (2022) developed a degradation equation of GFRP bar by experiments of immersion tests in seawater sea sand concrete (SWSSC) pore solution environment. Dong (2019...

... cycle fatigue crack propagation in ship stiffened plates. The results indicate that the equation using CTOD as the control parameter to characterize the crack propagation rate provides a certain reference basis for accurately predicting the biaxial non proportional low cycle fatigue crack propagation...

... risk management machine learning intensity artificial intelligence module risk and uncertainty assessment subsea system fpso thermal radiation intensity thermal radiation equation modeling & simulation floating production systems radiation intensity personnel numerical...

... on. calculation diagram frequency bulkhead impedance vibration characteristic vibration characteristic impedance calculation pipeline excitation stiffness ship schematic diagram pipe hanger equation input mechanical impedance fast prediction method Proceedings of the Thirty-fourth (2024...

... maneuverability maneuverability hydrodynamic coefficient wuhan university equation journal coefficient prediction resistance coefficient formula numerical calculation Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece, June 16 21, 2024...

... reinforcement learning unmanned ship experiment simulation experiment equation matrix bgf estimator converge excitation parameter identification unmanned ship trajectory Proceedings of the Thirty-fourth (2024) International Ocean and Polar Engineering Conference Rhodes, Greece, June 16 21, 2024...

... running forward at a constant speed in an actual sea is in equilibrium with the propeller thrust, and at the same time, the propeller torque and main engine torque are also in equilibrium. These can be expressed as a dynamical system of equilibrium equations. That is, if the disturbance conditions...

... small length-beam ratio, high block coefficient, which makes the Fr Δ (volumetric froude number, (equation)) of a yacht at design speed has a high probability between 1.0 and 3.0 (semi-planing regime). Semi-planing is a type of ship regime between displacement and planning. During this regime, a new...