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Journal Articles
Int. J. Offshore Polar Eng. 33 (03): 286–293.
Paper Number: ISOPE-23-33-3-286
Published: 15 September 2023
... as an external force vector on the pipe model. The applicability of the presented model is confirmed by the comparison of simulation results and experimental results. Introduction During riserless drilling operations in oil and gas explorations, the rotation of the drill pipe generates lift force when operating...
Journal Articles
Int. J. Offshore Polar Eng. 33 (02): 174–183.
Paper Number: ISOPE-23-33-2-174
Published: 01 June 2023
... machine learning neuron ship structure characteristic signal china government recognition fluctuation judgment spectra ship fluctuation characteristic polar engineering vector autonomous recognition International Journal of Offshore and Polar Engineering (ISSN 1053-5381) Copyright ©...
Journal Articles
Int. J. Offshore Polar Eng. 32 (04): 369–376.
Paper Number: ISOPE-22-32-4-369
Published: 01 December 2022
... state-space model estimation sossm time-domain 3-dof ship motion modeling subsystem vector International Journal of Offshore and Polar Engineering (ISSN 1053-5381) Copyright © by The International Society of Offshore and Polar Engineers Vol. 32, No. 4, December 2022, pp. 369 376; httpsdoi.org...
Journal Articles
Journal Articles
Int. J. Offshore Polar Eng. 27 (02): 113–122.
Paper Number: ISOPE-17-27-2-113
Published: 01 June 2017
... cylinder steady surge force amplitude fictitious body incident wave interaction theory vector wave interaction theory diffraction characteristic hydrodynamic interaction wave elevation interaction International Journal of Offshore and Polar Engineering (ISSN 1053-5381) httpwww.isope.org...
Journal Articles
Journal Articles
Int. J. Offshore Polar Eng. 26 (03): 219–224.
Paper Number: ISOPE-16-26-3-219
Published: 01 September 2016
.... offshore projects planning and execution platform design vector estimation Artificial Intelligence load estimation procedure frequency domain stress-monitoring method floater wind energy internal force fatigue damage motion-load matrix subsea system Offshore Wind Turbine estimation procedure...
Journal Articles
Int. J. Offshore Polar Eng. 20 (04).
Paper Number: ISOPE-10-20-4-247
Published: 01 December 2010
... was performed for a wave climate off the western coast of Portu- gal in 106-m water depth (Table 1). The optimization procedure criterion consisted of maximizing the ratio (objective function): F v = P¯ann V ( (13) where v is the vector of design variables; P¯ann, the annual aver- age of the absorbed power...
Journal Articles
Int. J. Offshore Polar Eng. 19 (02).
Paper Number: ISOPE-09-19-2-115
Published: 01 June 2009
... Engineers Artificial Intelligence vehicle-manipulator system redundancy Upstream Oil & Gas fuzzy logic polar engineering objective electrical industrial apparatus controller international journal Offshore ROVM system equation underwater vehicle-manipulator system vector notash...
Journal Articles
Int. J. Offshore Polar Eng. 18 (01).
Paper Number: ISOPE-08-18-1-014
Published: 01 March 2008
... Computation subsea system FPSO heave force velocitypotential computed result floating production system calculation surge force wave force equation wave-exciting force wave interaction theory Bessel function expression proximity separation distance vector coordinate system International...
Journal Articles
Int. J. Offshore Polar Eng. 15 (04).
Paper Number: ISOPE-05-15-4-257
Published: 01 December 2005
... at the nodes of the structure to represent the loads introduced by the weight of the airplane. subsea system hydroelasticity Simulation mathematical model aircraft landing aircraft international journal armour vector Artificial Intelligence aircraft-floating structure-water interaction system...
Journal Articles
Int. J. Offshore Polar Eng. 12 (02).
Paper Number: ISOPE-02-12-2-098
Published: 01 June 2002
..., where Z = 0 is taken as the undisturbed free surface and the Z-axis is positive vertically downward. The structure is allowed to move with unsteady motions of 6 degrees of freedom in response to the wave excitation. The vectors of the translational and rotational motions are denoted by t and t...
Journal Articles
Int. J. Offshore Polar Eng. 11 (04).
Paper Number: ISOPE-01-11-4-261
Published: 01 December 2001
... Oil & Gas production monitoring vector Velocimetry image velocimetry flow field velocity field PIV technique water channel Felice spatial resolution means particle Offshore propeller vorticity distribution International Journal of Offshore and Polar Engineering Vol. 11, No. 4...
Journal Articles
Int. J. Offshore Polar Eng. 11 (04).
Paper Number: ISOPE-01-11-4-282
Published: 01 December 2001
... 2001 2001. The International Society of Offshore and Polar Engineers subsea system curvature tether manoeuvre vector Artificial Intelligence ROV tether boundary condition tether model electrical industrial apparatus orientation Simulation Offshore remotely operated vehicle node...
Journal Articles
Int. J. Offshore Polar Eng. 11 (03).
Paper Number: ISOPE-01-11-3-176
Published: 01 September 2001
... Engineers circular cylinder velocity potential vector VLF interaction subsea system cylinder experiment drift force fictitious body frequency great number hydrodynamic interaction formulae Calculation Method interaction theory incident wave Computation axis wave drift force...
Journal Articles
Int. J. Offshore Polar Eng. 11 (02).
Paper Number: ISOPE-01-11-2-133
Published: 01 June 2001
..., which can be represented by a 2-parameter soil model of the Winkler and the shear type (Pasternak model). The formulation takes into account the effects of shear deformation and a constant axial force of the beam. The stiffness matrix and the load vector of the interface element are stated...
Journal Articles
Int. J. Offshore Polar Eng. 10 (03).
Paper Number: ISOPE-00-10-3-182
Published: 01 September 2000
... vehicle Offshore metals & mining control force miner velocity vector sltc algorithm Artificial Intelligence Chung track-keeping control friction force convergence condition target track miner algorithm INTRODUCTION Self-propelled seafloor miners or vehicles have recently been adopted...
Journal Articles
Int. J. Offshore Polar Eng. 10 (01).
Paper Number: ISOPE-00-10-1-057
Published: 01 March 2000
... of element orientation and the displacement vector is expressed in terms of nodal values of cross-sectional rotation. The generation of the vector of integrating coefficients for numerical integration adopts the quadrature method, which is subsequently assembled into a quadrature matrix. The element lengths...
Journal Articles
Int. J. Offshore Polar Eng. 9 (03).
Paper Number: ISOPE-99-09-3-201
Published: 01 September 1999
... that analyzed various kinds of inverse problems using the extended Kalman filtering algorithm, any number of iterative calculations must be performed to estimate the optional state vector and the corresponding error covariance matrix in the stochastic dynamic system (Murakami et al., 1988). On the other hand...
Journal Articles
Int. J. Offshore Polar Eng. 9 (02).
Paper Number: ISOPE-99-09-2-117
Published: 01 June 1999
...Jin S. Chung; B. Cheng In applying external forces or thrust vectors to the elastic joints along an 18,000-ft-long vertical deep-ocean pipe, the joints are modeled by finite elements (FEM) as well as mass-spring elements (MSE). When the mass and mass moment of inertia of the joints made...

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