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Keywords: current profile
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Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-4126
... in a catenary configuration, i.e., not a free-falling dropped object, DNVGL-RP-F107 (2017), the risk-based dropped object analysis guideline, is not well suited for this application. offshore pipeline clearance plet flowline mwl offset piping simulation plet surface current current profile...
Proceedings Papers
Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1144
... profile (WCP); in filtering vertical current profiles from a large database so the response analysis of a deep-water system can be carried out more efficiently. The method is tested for underwater operation of a deep-water work class Remotely Operated Vehicle (ROV); connected to surface vessel through...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-614
... umbilical. The FPU and SCR layout is shown in Figure 1. application vim fatigue configuration upstream oil & gas water depth cyclone fatigue life fatigue result installation strength analysis criteria riser natural period diameter steel catenary riser scr current profile fatigue...
Proceedings Papers
Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-734
... displacement scatter diagram current profile subsea system configuration cross section cable procedure information time history platform A Procedure for Assessment of Umbilical Fatigue Damage Yusong Cao, and Fuwei Zhang C-Z Marine Technology, LLC, Houston, USA ABSTRACT Umbilicals which connect...
Proceedings Papers
Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-156
... ttr coefficient riser arr rms stress excitation region profile 1 suppression device vibration tension riser soliton current profile rms arrangement transverse viv response profile 3 current profile different arrangement soliton current The Study on the Arrangement of VIV...
Proceedings Papers
Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-293
... in statistical extrapolation for extremes analysis. The present paper proposes a simplified methodology to analyze deep water current profile extremes using Complex Empirical Orthogonal Functions (CEOF), thus keeping both the intensity and direction of the current response modes as module and phase...
Proceedings Papers
Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-477
... and risers exposed to ocean currents. current profile vibration umbilical arc length amplitude curvature case study scenario maximum potential energy response amplitude hysteresis screening method upstream oil & gas mode number slip curvature contribution stick-slip hysteresis...
Proceedings Papers
Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-555
... for the effects of current gradient on the nonlinear dynamics of the ocean surface near blocking point. Using a split-step scheme we show that the extended NLSE of Smith is unstable against random chaotic perturbation in the current profile. Therefore the monochromatic wave field with unit amplitude turns...
Proceedings Papers
Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-003
... Abstract Special attention is required at steep bathymetry zones to reduce uncertainty on the computation of current profiles for offshore applications. In this paper we present the implementation of Telemac3D numerical model to estimate ocean currents for a typical case of steep bathymetry...
Proceedings Papers
Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-063
... shear fenton reservoir simulation nonlinear wave interaction linearly wave nonlinearity equation surface elevation water surface elevation current profile elevation Numerical Simulation of Nonlinear Wave Interactions with Linearly Sheared Currents Haifei Chen and Qingping Zou Department...
Proceedings Papers
Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-823
... Abstract This paper describes an estimation method of water column current profile using an autonomous underwater vehicle SOTAB-I. Water currents can be usually calculated by summing up the relative current velocity measured by ADCP and the own speed of the vehicle from DVL near the seabed...
Proceedings Papers
Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-055
...-cage system drag coefficient numerical model heave feeder vessel current profile simulation displacement buoy upstream oil & gas coefficient surge offshore aquaculture cage condition spm line storm condition line element subsea system scenario umbilical line Coupled Analysis...
Proceedings Papers
Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-110
.... offshore structure tidal stream generator consideration boundary condition equation application current profile assumption wave-current interaction wave theory flow field scenario wave channel reservoir simulation flow in porous media wave length fluid dynamics upstream oil & gas vert...
Proceedings Papers
Paper presented at the The Twenty-second International Offshore and Polar Engineering Conference, June 17–22, 2012
Paper Number: ISOPE-I-12-493
... and that of Facchinetti). The wake oscillators are considered in time domain and the fluid behaviors are modeled using a non-linear second order differential equation. blevin iwan hrt 2 fatigue damage case 1 natural period riser tower facchinetti case 2 equation current profile vibration wake...
Proceedings Papers
Paper presented at the The Eighteenth International Offshore and Polar Engineering Conference, July 6–11, 2008
Paper Number: ISOPE-I-08-069
... for present and forecasted weather conditions. The lay parameters and criteria further depend on the measured current profile which is also used to predict the top angle. INTRODUCTION The lay criteria for the installation of rigid and flexible pipes as well as umbilicals are traditionally under the form...
Proceedings Papers
Paper presented at the The Sixteenth International Offshore and Polar Engineering Conference, May 28–June 2, 2006
Paper Number: ISOPE-I-06-239
... be of use in the design of risers. The traditional approach used to derive design current profiles, where current velocities at each depth are treated independently, is overly conservative for deepwater riser design. At the same time, while evaluating a riser using field data, it is impractical to deal...
Proceedings Papers
Paper presented at the The Sixteenth International Offshore and Polar Engineering Conference, May 28–June 2, 2006
Paper Number: ISOPE-I-06-154
... with the bacteria mats (Bohrmann et al., 2000; Sahling et al., 2002; Torres et al., 2002; Tryon et al., 2002). calculation concentration current profile cold seepage seafloor methane oxidation methane plume behavior water column dissolution coefficient upstream oil & gas column methane...
Proceedings Papers
Paper presented at the The Fifteenth International Offshore and Polar Engineering Conference, June 19–24, 2005
Paper Number: ISOPE-I-05-341
... ABSTRACT A process-based method of characterising deepwater current profiles for engineering applications is described. The method was developed in response to the subsurface jet-like features that were responsible for the strongest currents observed at four deepwater locations offshore...
Proceedings Papers
Paper presented at the The Twelfth International Offshore and Polar Engineering Conference, May 26–31, 2002
Paper Number: ISOPE-I-02-291
... wave spectrum transformation current profile directional wave basin variation amplitude wave basin wave generator wave directionality Wave Transformation in Multi-Face Current Generation Basin Tetsuya Hiraishi Port and Airport Research Institute Yokosuka, Kanagawa, Japan ABSTRACT A new...
Proceedings Papers
Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-225
..., wind velocity, current profile, and water and air temperature. spring coefficient mooring system grosenbaugh mean tension drag coefficient subsea system sea state coefficient machine learning artificial intelligence current profile shallow-water oceanographic surface buoy...
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