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Keywords: mooring
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Proceedings Papers

Proc. ASME. OMAE2021, Volume 1: Offshore Technology, V001T01A031, June 21–30, 2021
Paper No: OMAE2021-60739
... Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering OMAE2021 June 21-30, 2021, Virtual, Online OMAE2021-60739 MOORING DESIGNS FOR FLOATING OFFSHORE WIND TURBINES LEVERAGING EXPERIENCE FROM THE OIL & GAS INDUSTRY Kai-tung Ma Yongyan Wu Simen Fodstad...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 9: Ocean Renewable Energy, V009T09A026, June 21–30, 2021
Paper No: OMAE2021-62640
..., an aerodynamic software package for wind turbine analysis with the ability to be coupled with the hydrodynamic model. Due to the canted columns, a nonlinear analysis was performed using the coupled numerical hydrodynamic model of the platform with mooring system in extreme sea states. PyraWind FOWT...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 4: Pipelines, Risers, and Subsea Systems, V004T04A008, June 21–30, 2021
Paper No: OMAE2021-62970
... eliminate the fundamental geometric changes that determine real behavior time-domain finite-element models for cables since the 1970 s in cables, strings, moorings, guys, pipelines, riser, plates, skins, [1]. In this paper, we shall use the term cable structure as a subsea hulls, and other such slender...
Proceedings Papers

Proc. ASME. OMAE2021, Volume 6: Ocean Engineering, V006T06A033, June 21–30, 2021
Paper No: OMAE2021-60794
...Abstract Abstract Mooring is one of the key components of a floating offshore wind turbine since the mooring rupture may lead to the total loss of one or even several turbines in a farm. Even if a large experience in moorings of floating bodies was gained in the oil & gas industry...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 1: Offshore Technology, V001T01A011, August 3–7, 2020
Paper No: OMAE2020-19328
...DEVELOPMENT OF DATA-DRIVEN MODELS FOR PREDICTION OF MOORING LINE TENSIONS Nitesh Kumar*, Ching Theng Liong, Wei Kean Chen, Allan Ross Magee, Kie Hian Chua, Yoo Sang Choo Technology Centre for Offshore & Marine, Singapore (TCOMS) *nitesh_kumar@tcoms.sg ABSTRACT This paper describes the development...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 1: Offshore Technology, V001T01A061, August 3–7, 2020
Paper No: OMAE2020-18132
... in heave, roll and pitch is illustrated for the mean wave-drift force in surge and sway. FPSO motions and mooring line tensions from fully-coupled time-domain analysis in OrcaFlex is compared when using approximated QTFs and full QTFs from second-order diffraction/radiation analysis. Keywords: FPSO, second...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 2A: Structures, Safety, and Reliability, V02AT02A035, August 3–7, 2020
Paper No: OMAE2020-18478
...Abstract Abstract This paper aims to perform a time-domain mooring fatigue analysis for a Spar-type floating offshore wind turbine operated in the South China Sea. Tension ranges of mooring lines are achieved from a hydrodynamic analysis where the effects of wind, wave and current...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 7: Polar and Arctic Sciences and Technology, V007T07A013, August 3–7, 2020
Paper No: OMAE2020-18039
... against unique in-situ data from five moorings deployed between 2015 and 2018 by the Barents Sea Metocean and Ice Network (BASMIN) Joint Industry Project. The study shows that the existing FOAM forecasts produce adequate results in the Barents Sea. However, while studies have shown the assimilation...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 3: Materials Technology, V003T03A028, August 3–7, 2020
Paper No: OMAE2020-19287
... FPSO FSO spar buoy cracks dents turret green water mooring heading control stability ballasting collisions and offloading IN SERVICE EXPERIENCES WITH SHIP-SHAPED FLOATING PRODUCTION UNITS Marita Halsne1, Narve Oma, Gerhard Ersdal, Arne Kvitrud, Roger L. Leonhardsen, Morten Langøy...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 9: Ocean Renewable Energy, V009T09A075, August 3–7, 2020
Paper No: OMAE2020-19224
...Abstract Abstract We report on a multi-year investigation into mechanisms of fatigue, corrosion, and abrasion on floating offshore wind turbine (FOWT) mooring systems funded by the U.S. Bureau of Safety and Environmental Enforcement (BSEE). The project team examined the efficacy of standards...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 9: Rodney Eatock Taylor Honoring Symposium on Marine and Offshore Hydrodynamics; Takeshi Kinoshita Honoring Symposium on Offshore Technology, V009T13A017, June 9–14, 2019
Paper No: OMAE2019-95388
... Abstract When using synthetic fiber rope as a mooring line of a floating body such as floating offshore wind turbine (FOWT), it is necessary to carry out characteristic test and to grasp well about strength, stiffness, durability against monotonic and cyclic loadings. In this research, we have...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 1: Offshore Technology; Offshore Geotechnics, V001T01A050, June 9–14, 2019
Paper No: OMAE2019-95469
... Abstract The way polyester ropes change their length in response to tension is often represented using a static-dynamic model with parameters for dual linear stiffness, based on testing according to defined procedures. This may not be sufficient for the mooring analysis since the stretch...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 1: Offshore Technology; Offshore Geotechnics, V001T01A018, June 9–14, 2019
Paper No: OMAE2019-96145
... Abstract This paper presents the development and application of an in-house manoeuvring method for the prediction of the track of a moored vessel in the case of a temporary or total loss of station keeping capability as a result of exceeded permissible anchor loads. The described method...
Proceedings Papers

Proc. ASME. OMAE2013, Volume 8: Ocean Renewable Energy, V008T09A038, June 9–14, 2013
Paper No: OMAE2013-10667
... Floating wave energy converters are surface based thus facilitating installation and maintenance. They tend to be moored offshore and consequently have less of an impact than other devices both visually and audibly. Mooring these devices is a challenging task, as not only are they subject...
Proceedings Papers

Proc. ASME. OMAE2012, Volume 1: Offshore Technology, 777-785, July 1–6, 2012
Paper No: OMAE2012-84159
... mooring analysis methods dealing with polyester rope stiffness. Based on the results of the study, conservative and practical stiffness models, test data analysis, and mooring analysis method were developed. The results from this study have been incorporated in the 2011 ABS Guidance Notes...
Proceedings Papers

Proc. ASME. OMAE2012, Volume 2: Structures, Safety and Reliability, 667-676, July 1–6, 2012
Paper No: OMAE2012-84101
... One of the key engineering challenges for the installation of floating marine energy converters is the fatigue of the load-bearing components. In particular the moorings which warrant the station-keeping of such devices are subject to highly cyclic, non-linear load conditions, mainly induced...
Proceedings Papers

Proc. ASME. OMAE2011, Volume 2: Structures, Safety and Reliability, 893-902, June 19–24, 2011
Paper No: OMAE2011-50272
... Floating drilling and production systems are subject to increasing levels of scrutiny by governments and the general public. This paper discusses practical methods for the reliability analysis and risk management of the moorings systems of such drilling and production systems. 01 11...
Proceedings Papers

Proc. ASME. OMAE2008, Volume 4: Ocean Engineering; Offshore Renewable Energy, 51-56, June 15–20, 2008
Paper No: OMAE2008-57055
... 24 07 2009 A floating breakwater is currently being built in southern Korea. Four separate floating breakwater units will be moored to ten deeply embedded suction anchors. The embedded suction anchor is permanent offshore foundation installed by a suction pile. The cross-section...
Proceedings Papers

Proc. ASME. OMAE2007, Volume 2: Structures, Safety and Reliability; Petroleum Technology Symposium, 667-678, June 10–15, 2007
Paper No: OMAE2007-29769
... 22 05 2009 This paper presents a summary of the recent advances in Floating Production Systems and associated seabed connections (moorings, risers, umbilicals, tethers etc) as discussed by the Specialist Technical Committee V.2 Floating Production Systems for the International Ship...
Proceedings Papers

Proc. ASME. OMAE2003, Volume 1: Offshore Technology; Ocean Space Utilization, 231-240, June 8–13, 2003
Paper No: OMAE2003-37135
... with utility companies requires regular, uninterrupted LNG supply to their network. This requires extremely high availability figures for import/export terminals or floating, moored LNG producing facilities. A new concept based on the well-known soft yoke principle has been developed whereby the yoke structure...