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Keywords: consideration
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Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-557
... in irregular waves. (e.g. Yasukawa et al, 2015; Seo et al. 2018). reservoir simulation maneuvering shaft speed consideration irregular wave propeller curve light propeller curve ship ship maneuvering frequency rudder coefficient propulsion power ocean engineering numerical simulation...
Proceedings Papers

Paper presented at the The 32nd International Ocean and Polar Engineering Conference, June 5–10, 2022
Paper Number: ISOPE-I-22-163
... application backfill cover height consideration ABSTRACT This paper presents the main findings resulting from the upheaval buckling design challenges associated with a real industry application of a 32" subsea pipeline, buried in a trench produced by a jet trenching operation. The uplift...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-1273
...), and operation subjected to special considerations (RIO < 10). Adaptive measures may be taken in consideration of the RIO, Procedure such as limiting the speed in ice, additional watchkeeping, or icebreaker support. Equation (1) is valid for independent navigation, whereas under In this work, safety...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-4187
... conditions of such vessels, damage stability is a more dominant constraint. Hence, such ships are designed based on damage stability considerations alone. However, since life-cycle risk management is still an active research subject, stability management is being addressed somewhat haphazardly by allowing...
Proceedings Papers

Paper presented at the The 31st International Ocean and Polar Engineering Conference, June 20–25, 2021
Paper Number: ISOPE-I-21-2133
... Abstract The development of renewable energy is desired worldwide due to consideration for the environment. In this research, in order to realize Subsea Hydrogen Production and Storage Facility (SHPS) that produces compressed hydrogen by using the electric power obtained from ocean renewable...
Proceedings Papers

Paper presented at the The 30th International Ocean and Polar Engineering Conference, October 11–16, 2020
Paper Number: ISOPE-I-20-3203
...ABSTRACT ABSTRACT Wave focusing is one of the mechanisms result in the generation of extreme waves in recent years. Basic work that the accurate numerical simulation of the interaction between the focusing wave with the fixed cylinder requires taking viscosity into consideration. In this paper...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-432
... ABSTRACT In this paper, the free vibration characteristics of a half liquid-filled and submerged, horizontal cylindrical shell are investigated with the consideration of the linear sloshing effect by an analytical method. It is assumed that the shell is submerged in water and the shell's...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-632
... to be achieved with the limiting considerations of riser over-bending and hang-off loading. However, these buoyancy modules increase the riser external diameter resulting in larger hydrodynamic drag loading. In addition risers are principally cylindrical making them susceptible to VIV. A new design of buoyancy...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-174
... economic evaluation operational cost platform design owf profit corridor modeling &amp; simulation downtime reserves evaluation consideration objective availability lewandowski maintenance strategy revenue weather condition offshore projects planning and execution feasibility...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-189
... from the mooring lines are not negligible in consideration of the dynamic motion of a floating structure. Hence, investigation in the interactions between floating structures and mooring lines are of vital importance for the sake of prediction of motion of platforms, which has aroused the interests...
Proceedings Papers

Paper presented at the The 29th International Ocean and Polar Engineering Conference, June 16–21, 2019
Paper Number: ISOPE-I-19-215
... application where the hydrodynamic interaction of the adjacent bodies have to be taken into consideration for accurate prediction of the wave loading and response. Examples of multiple floating bodies with enclosed water surface are closed-cage fish farm surrounded by floating boardwalk (Halwart et al...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-118
... of mathematical model for fluctuations of a shell using the module-element method (MEM). The module-element method is the modification of the finite element method. The important feature of the proposed mathematical model is the consideration of the fluctuation of the shell together with an adjoining fluid...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-151
..., the scale and the investment of the platform can be reduced. displacement water pipe consideration main pipe heat transfer pipeline outlet temperature secondary pipe inlet temperature unmanned platform platform offshore pipeline marginal oilfield multiphase pipeline upstream oil...
Proceedings Papers

Paper presented at the The 28th International Ocean and Polar Engineering Conference, June 10–15, 2018
Paper Number: ISOPE-I-18-527
... for comparison. Motion response is design-specific and its implications towards operations and maintenance considerations must be assessed depending on site conditions. However, results show that the topic of motion exposure has yet not been sufficiently considered for both fixed-bottom and floating offshore...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-457
... Enhanced consideration of residual stresses in the nominal stress approach for fatigue design of welded joints Jonas Hensel, Thomas Nitschke-Pagel and Klaus Dilger Institute of Joining and Welding, TU Braunschweig Braunschweig, Germany ABSTRACT It is well known that tensile residual stresses from...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-516
... considerations of the change in the weight and buoyancy of the ship due to flooding, oil spill from the compartments, cargo load in the compartments, and so on. To check the applicability of the proposed method, comparative tests with experiments by other papers are performed. INTRODUCTION To transport human...
Proceedings Papers

Paper presented at the The 27th International Ocean and Polar Engineering Conference, June 25–30, 2017
Paper Number: ISOPE-I-17-538
... on project specific requirements and considerations. INTRODUCTION The mooring and anchor or foundation design used for mooring system and subsea equipment plays a very important role in offshore engineering. At present, there are four main types of anchors often used: drag embedment anchor, suction anchor...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-410
... is limited and critical. lngc vessel membership function consideration application transfer operation loading arm forward wind direction input variable operation mapping relative motion loading condition freight &amp; logistics services frequency loading arm point fuzzy logic...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-569
... stiffness matrix foundation response calculation limit state displacement simulation jacket structure klaus thieken 1 reference system jacket rotation boundary condition consideration bucket response loading incorporation rotation stiffness matrix entry structural model...
Proceedings Papers

Paper presented at the The 26th International Ocean and Polar Engineering Conference, June 26–July 2, 2016
Paper Number: ISOPE-I-16-591
... Abstract An effective consideration of the soil characteristics is challenging. Sophisticated soil-structure interaction models have many degrees of freedom and are highly non-linear. Hence, they are not applicable for transient calculations of the design stage due to high computing times...

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