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Keywords: stability
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Proceedings Papers

Proc. ASME. OMAE2022, Volume 5B: Ocean Engineering; Honoring Symposium for Professor Günther F. Clauss on Hydrodynamics and Ocean Engineering, V05BT06A014, June 5–10, 2022
Paper No: OMAE2022-78997
... Abstract Docking operations of ships require a response assessment to ensure structural and personnel safety. Environmental loads and improper ballast adjustments are the main threats to the docking operations. They can cause severe structural damages and stability loss to a floating dock...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 1: Offshore Technology, V001T01A026, June 5–10, 2022
Paper No: OMAE2022-81085
... features of a conventional Semi and the operation requirements in different phases during the whole life cycle of a Semi were summarized. Then, the factors affecting the stability and the motion performance of a Semi and their internal relationship were studied according to the principles of hydrostatics...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 8: Ocean Renewable Energy, V008T09A064, June 5–10, 2022
Paper No: OMAE2022-81555
... to be addressed in the paper include the engineering interface between WTG and the floating substructure, the floating stability assessment, wind load simulation, the determination of the duration of the numerical simulations and the number of random seeds, and the validation with model test results. As the wind...
Proceedings Papers

Proc. ASME. OMAE2022, Volume 3: Materials Technology; Pipelines, Risers, and Subsea Systems, V003T03A020, June 5–10, 2022
Paper No: OMAE2022-81289
... and includes cracks, dents from wave actions, anchor impact on structures, horizontal and vertical wave impacts and ship collisions. In addition, failure of the dynamic position keeping system, mooring system breakage and incidents related to stability and ballasting have been reported. The paper provides...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 11: Petroleum Technology, V011T11A073, August 3–7, 2020
Paper No: OMAE2020-19071
...ON THE STABILITY OF OIL-BASED DRILLING FLUID: EFFECT OF OIL-WATER RATIO Titus Ntow Ofei1, Itung Cheng2 Norwegian University of Science and Technology1 The City College of New York2 Bjørnar Lund3, Arild Saasen4, Sigbjørn Sangesland1 SINTEF3 University of Stavanger, Norway4 ABSTRACT Drilling fluids...
Proceedings Papers

Proc. ASME. OMAE2020, Volume 8: CFD and FSI, V008T08A034, August 3–7, 2020
Paper No: OMAE2020-19310
... Stirling Highway Perth, Australia 2 State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology Dalian, China ABSTRACT This study investigates the effect of wave-induced boundary layer on the on-bottom stability of small-diameter pipelines laid on the seabed. An -based wall...
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. OMAE2019, Volume 10: Ocean Renewable Energy, V010T09A050, June 9–14, 2019
Paper No: OMAE2019-95635
..., the intact stability was examined. Then, an in-house code was programmed to simulate the dynamic response of the articulated offshore wind turbine. The aerodynamic load on rotating blades and the wind pressure load on tower are calculated based on the blade element momentum theory and the empirical formula...
Proceedings Papers

Proc. ASME. OMAE2019, Volume 2: CFD and FSI, V002T08A054, June 9–14, 2019
Paper No: OMAE2019-96448
...Abstract Abstract Fine grain solid bulk cargo with “sufficient” moisture content may undergo liquefaction during a voyage, posing a danger to the bulk carrier and the crew on-board due to its potential to shift and adversely affect the vessel’s stability. Between the years 2005 to 2017...
Proceedings Papers

Proc. ASME. OMAE2013, Volume 4A: Pipeline and Riser Technology, V04AT04A047, June 9–14, 2013
Paper No: OMAE2013-10621
... that our existing models and tools for subsea pipeline stability design fail to account for the fact that seabed soils tend to become mobile well before the onset of pipeline instability. Despite ample evidence obtained from both laboratory and field observations that sediment mobility has a key role...
Proceedings Papers

Proc. ASME. OMAE2013, Volume 4A: Pipeline and Riser Technology, V04AT04A025, June 9–14, 2013
Paper No: OMAE2013-10250
... Lateral buckling and on-bottom stability are often considered independently during pipeline design. However, it is expected that the interaction between lateral buckling and on-bottom stability will become an increasingly common and important pipeline design consideration; as projects move...
Proceedings Papers

Proc. ASME. OMAE2012, Volume 3: Pipeline and Riser Technology, 57-63, July 1–6, 2012
Paper No: OMAE2012-83072
... stability of deep-water risers as the top boundary condition is pinned or moving with or without damping. The effect of frequency and the amplitude of heave motion on the riser vibration response are studied considering the effect of mode coupling. KEYWORDS Deep-water Top-tensioned Risers; Parametric...
Proceedings Papers

Proc. ASME. OMAE2011, Volume 2: Structures, Safety and Reliability, 559-570, June 19–24, 2011
Paper No: OMAE2011-49770
...METOCEAN DESIGN CRITERIA FOR PIPELINE ON-BOTTOM STABILITY Richard Gibson BP Exploration Chertsey Road Sunbury on Thames TW16 7LN UK richard.gibson@uk.bp.com ABSTRACT This paper is concerned with a response based method for determining metocean design criteria for offshore pipelines. The method...
Proceedings Papers

Proc. ASME. OMAE2007, Volume 3: Pipeline and Riser Technology; CFD and VIV, 269-284, June 10–15, 2007
Paper No: OMAE2007-29299
... or in the ground at the other end. The stability of these pipes is the subject of this investigation. The history of such analysis dates back over five decades when the vibration and stability of fluid conveying Trans-Arabian pipeline network was first studied; albeit for an on-shore environment. For that case...
Proceedings Papers

Proc. ASME. OMAE2007, Volume 4: Materials Technology; Ocean Engineering, 677-686, June 10–15, 2007
Paper No: OMAE2007-29512
... characteristics, wave frequency forces and moments, mean second order drift forces and surrounding wave fields are discussed. The results show that aircushions significantly influence the stability and behaviour of large floating structures. Floating structures aircushion compressibility stability...
Proceedings Papers

Proc. ASME. OMAE2002, 21st International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, 321-328, June 23–28, 2002
Paper No: OMAE2002-28158
... of dynamic systems, a study of the behavior of floating units is performed by determining the equilibrium position and then analyzing the stability around this position. The time domain analysis is also used to compare the results. This procedure is extended to the case of systems in a spread mooring...
Proceedings Papers

Proc. ASME. OMAE2003, Volume 3: Materials Technology; Ocean Engineering; Polar and Arctic Sciences and Technology; Workshops, 831-837, June 8–13, 2003
Paper No: OMAE2003-37411
... in shallow water on a soft sediment layer. This paper discusses the assessment of ice interaction scenarios and the FEM stability analyses for the design of the ice barriers. In normal winters, rock slopes will cause the thin ice to fail in bending at low forces creating ice rubble. In this scenario, barrier...
Proceedings Papers

Proc. ASME. OMAE2004, 23rd International Conference on Offshore Mechanics and Arctic Engineering, Volume 1, Parts A and B, 555-562, June 20–25, 2004
Paper No: OMAE2004-51248
... 05 01 2009 Studying stability of a vertically suspended, fully submerged pipe conveying water (free-hanging water intake riser), researchers have found that if a critical flow velocity is reached, these pipes may flutter. However, there are different predictions for the value...