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Keywords: axial tension
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Proceedings Papers

Paper presented at the The 33rd International Ocean and Polar Engineering Conference, June 19–23, 2023
Paper Number: ISOPE-I-23-246
... model orientation local analysis vertex st order equation stress parameter hysteresis global analysis order system th order karlsen power cable axial tension international ocean polar engineering conference Proceedings of the Thirty-third (2023) International Ocean and Polar...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-2175
.... subsea system relation dynamic power cable bend stiffener renewable energy axial stiffness axial tension upstream oil & gas dynamic fatigue performance test full-scale test wind energy tensioner end axial displacement power cable numerical model sintef ocean stiffness cross section...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-038
... ABSTRACT CFD simulations of a top-tensioned riser experiencing VIV and varying axial tensions are conducted through viv-FOAM-SJTU solver. The varying tension reflects the effect of heave motions of the platform. Strip method is used to simplify the calculation and PimpleDyMFoam module...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-420
... be used in the alternative 3 phases well. We compared the dynamic results of the current design with 1300 m long surface casing and the alternative 2000 m long casing. The most important result is the dynamic axial tension on the top of the 2000 m surface casing because this result is important...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-103
.... Axial tension necessary to move the umbilical forward at desired spooling speed is normally applied by use of tensioners/caterpillars. Change in direction is managed by arranging the rollers in a curvature (bending diameter) with an adequate deflection angle. Higher umbilical bending stiffness requires...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-579
... in order to assess the bending stiffness. The test setup was developed in such a manner that allowed performing the bending test under different axial tensions. In general, incremental deflections were applied to the samples for a given axial tension in order to observe the layer slip mechanism, which...
Proceedings Papers

Paper presented at the The Twenty-fifth International Ocean and Polar Engineering Conference, June 21–26, 2015
Paper Number: ISOPE-I-15-155
... fender liquified natural gas upstream oil & gas env 1 lngc axial tension env 2 flng Investigation on the Hydrodynamic Performance of a FLNG in South China Sea Jingrui Zhao, Bin Xie Technology R&D Center, CNOOC Research Institute Beijing, China ABSTRACT In recent years CNOOC research...
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
... especially the loading cycles are investigated and compared with other traditional empirical expressions of the dynamic stiffness. It is demonstrated that the loading cycles have obvious influence on the axial tension response at the fairlead due to the increase of more than 10% brought to the dynamic...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-521
..., the effect of LTAs on pipes subjected to a range of different load types is analyzed. Finite Element Analysis (FEA) is carried out to produce collapse loads of pipes containing LTAs and subject to global bending, internal pressure, axial tension, and ultimately combined bending/compression. The model...
Proceedings Papers

Paper presented at the The Twenty-fourth International Ocean and Polar Engineering Conference, June 15–20, 2014
Paper Number: ISOPE-I-14-284
... to a water depth of 1500 m in LW3-1 gas field in the South China Sea using the HYSY 201 pipelay vessel. The dynamic behavior of offshore pipeline on aspects of deflection, axial tension, bend moment, stress and strain is investigated in detail. node coefficient operation offshore pipeline dynamic...
Proceedings Papers

Paper presented at the The Twenty-third International Offshore and Polar Engineering Conference, June 30–July 5, 2013
Paper Number: ISOPE-I-13-072
... is proposed for this region considering component, joint and system reliability based calibration. platform design load factor malaysia system reliability probability environmental load factor api reliability index model uncertainty compression calibration lrfd wsd axial tension equation...
Proceedings Papers

Paper presented at the The Twenty-first International Offshore and Polar Engineering Conference, June 19–24, 2011
Paper Number: ISOPE-I-11-141
.... To analyse the influence of the type of loading, fatigue tests under axial tension are carried out and compared to those subjected to pure bending. INTRODUCTION Welded steel structures can be significantly improved with respect to fatigue behavior and durability. This is important for applications...
Proceedings Papers

Paper presented at the The Twentieth International Offshore and Polar Engineering Conference, June 20–25, 2010
Paper Number: ISOPE-I-10-369
... number on spanwise correlation length and also investigate the difference between the rigid cylinder and the flexible cylinder experiencing different levels of axial tension. EXPERIMENTAL SET UP The experiments were carried out in a water flume which has a test section 0.75m wide, 0.72m high and 16 m...
Proceedings Papers

Paper presented at the The Seventeenth International Offshore and Polar Engineering Conference, July 1–6, 2007
Paper Number: ISOPE-I-07-159
... at T0 = 19.36kN, where due to the line non-linearity small errors in distance would result in large tension changes. The resulting data for this pre-tension are shown in Figures 7a-c, where the horizontal displacement is plotted against the horizontal tension (Fig. 7a), the axial tension (Fig. 7b...
Proceedings Papers

Paper presented at the The Sixteenth International Offshore and Polar Engineering Conference, May 28–June 2, 2006
Paper Number: ISOPE-I-06-132
... (properly modified tankers or extraction equipment). Because of the high depths involved these pipes, considered as slender members since their diameter is smaller than the ocean wave height, are subjected to external forces that may induce high internal stresses into the same pipe. axial tension...
Proceedings Papers

Paper presented at the The Eleventh International Offshore and Polar Engineering Conference, June 17–22, 2001
Paper Number: ISOPE-I-01-160
..., and no references to this vast literature will therefore be given herein 1.0 A riser with uniform wet weight along its axis 1.1 General Consider a riser in a Cartesian coordinate system with z upwards and x horizontally and an auxiliary coordinate s along the axis of the riser. axial tension caternary curve...
Proceedings Papers

Paper presented at the The Tenth International Offshore and Polar Engineering Conference, May 28–June 2, 2000
Paper Number: ISOPE-I-00-116
... the "Norwegian Deepwater Programme" (NDP) (see e.g. Fumes et al. 1998). eigenvalue lift coefficient reynolds number equation riser axial direction boundary condition flexible riser frequency axial tension ocean current deflection vibration drilling riser upstream oil & gas kaasen...
Proceedings Papers

Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-355
... crack surface interference offshore structure interference abel hydraulic fracturing life prediction axial tension Proceedings of the Ninth (1999) International Offshore and Polar Engineering Conference Brest, France, May 30-June 4, 1999 Copyright © 1999 by The International Society of Offshore...
Proceedings Papers

Paper presented at the The Ninth International Offshore and Polar Engineering Conference, May 30–June 4, 1999
Paper Number: ISOPE-I-99-048
... Abstract This paper presents a series of comparisons of nonlinear wave load effects on TLP tether, inc.luding axial tensions, bending moments, interaction ratio, utilization ratio, and nonlinear and non- Gaussian effects on tether extremes and fatigue damage. First, the nonlinear coupled...
Proceedings Papers

Paper presented at the The Fifth International Offshore and Polar Engineering Conference, June 11–16, 1995
Paper Number: ISOPE-I-95-097
... mathematical model for the span system is presented in this paper. Predicted pipe spans I axial tensions are the initial data to investigate sea current influence yielding span length limits due to pipeline lateral vibrations induced by resonant vortex shedding. The analytical method and procedure may...

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