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Keywords: expression
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Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2137
... model expression reservoir simulation ship tail end different time china university upstream oil & gas posture coefficient cable equation propeller rotary speed steady motion mass method towed system dynamical equation order runge-kutta method Numerical simulation of 3 DOF...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-548
... only eliminate the error of the physical model itself, but also be convenient for modeling and analyzing as a multibody system(Choi, Sohn, 2013) together with the floating body. subproblem denote artificial intelligence mooring system anchor ring anchor chain expression ground chain...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-581
... approximately a third of the spudcan diameter above the clay-sand interface. A simplified expression is proposed to predict the spudcan penetration resistance between the depth at which the squeezing prevails and the clay-sand interface. clay layer spudcan penetration spudcan foundation footing...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-008
... linearization artificial intelligence extreme load return value procedure maxima wind energy loading history extrapolation value distribution derivative subsea system platform design load case renewable energy wind turbine expression equation block length offshore projects planning and...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-118
... coordinate system matrix equation postnov generalized displacement fluctuation expression module-element method artificial intelligence mathematical model formulation consideration kinetic energy coefficient dissipation function taranukha lagrange equation displacement...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-701
... has been studied numerically by Chung and Cheng. (1996). internal flow wavelength coriolis viv equation simulation critical wavelength expression internal density wave upstream oil & gas frequency amplitude mining riser vibration riser displacement internal mass cross-flow...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-706
... 1981; O'Brien et al . 1988; Kordkheili et al . 2011). submerged length offshore structure variation equation dynamic analysis position vector free surface relative velocity submerged part vector angelide corotational beam element expression tsolaridou hydrodynamic force element...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-679
... and laboratory test data shows good agreement. KEYWORDS: Free fall penetrometer (FFP); Ball penetrometer; Numerical analysis; Finite element; Large deformation; coupled Eulerian Lagrangian (CEL). NOMENCLATURE A Projected area of the ball B1, B2 Exponent of the power law expression C1, C2 Constant of...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-168
... al (2013), Ma et al (2017), Ma et al (2018). The Froude number F is defined as F V/ gL (1) where g denotes the acceleration of gravity. Within the framework of linear potential flow theory considered here, the flow created by the ship can be formally expressed as the sum of a non-oscillatory local...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-480
... based on modified expressions of the semi-empirical Morison s equation (Morison et al. 1950). The pure Morison s equation evaluates the hydrodynamic force for vertical cylinders that are stationary. Modifications can be applied to overcome those limitations. Specifically, for the case of a randomly...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-159
... loading duration for the maximum deflection approximately equals the reciprocal of the square root of the ratio of their yield stresses. The expression forms of the dimensionless saturated permanent deflection and the dimensionless saturated impulse for the maximum deflection of a square plate are...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-149
... (see «Ice conditions For calculating of ice load on an isolated support of cylindrical (in plan) configuration the extra factors of shape are introduced which results in 1.5 increase of load. Defined Ice load obtained by the given expressions (1) must not be greater than the Ice load defined by the...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-383
... defined for variables in the datasets when the expression of model is unknown. The approach can be straightforwardly applied to datasets. At the underwater vehicle system discovery for model parameters and model structure, there is a set of possible functions that could be created. The model of underwater...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-533
..., because of existence of the flare, an accurate and stable free surface updating scheme is required in nonlinear time-domain simulation. expression geometry upstream oil & gas nonlinear wave diffraction computational domain reservoir simulation waterline wave elevation time history...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-674
... effective, fracture assessments of girth welds in lined pipes become more complex due to the dissimilar nature of these materials. piping design growth resistance curve configuration procedure upstream oil & gas expression thickness fracture mechanics evaluation hydraulic fracturing...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-626
... also on loading cycles based on the observation of experiments. Unlike the classical formulation involving only the mean load, a new empirical expression which takes into account of all three parameters including mean load, strain amplitude and loading cycles is employed into the mooring analysis model...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-424
... model and various parametric effects analysis, the explicit expression of weld toe magnification factor (MK) is acquired by surface fitting. So, the simple method to calculate SIF at the deepest point enable to be realized when the MCOD is known. And then, this method is demonstrated to be suitable for...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-273
.... breakwater expression geometry equation safety factor rubble mound foundation losada caisson breakwater interaction reservoir simulation stability goda foundation hs 0 variability displacement water level prediction realization engineering The Role of Uncertainty in the Wave-Caisson...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-301
... electrical resistivity survey drilling fluid management & disposal water content shinichi ito 1 estimation upstream oil & gas drilling fluids and materials reservoir characterization specific resistance specific resistivity underground temperature kazuhiro oda 1 log analysis expression...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-245
... previous results and theory. subsea system expression artificial intelligence logarithmic function loading cycle renewable energy cyclic test displacement rotation relative density one-way loading deformation correlation coefficient roesen leblanc setup loading wind energy load...

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