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Synonyme wurden verwendet für: 24 • Arctic • Conference • Engineering, • Mechanics
Suche ohne Synonyme: title: OMAE, International Conference on Offshore Mechanics and Arctic Engineering, 24

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    Longitudinal forces and bending moments of a FPSO

    Clauss, Gunther F. / Kauffeldt, Andre / Jacobsen, Katja | Tema Archiv | 2007
    , time-domain analysis in real rogue waves gives indispensable data on extremes, i.e. motions and structural forces. ...
    Schlagwörter: FPSO (floating production storage and offloading)

    Greatly extended distance pipeline monitoring using fibre optics

    Nikles, M. / Burke, R. / Briffod, F. et al. | Tema Archiv | 2005
    Monitoring of the effects of hydrocarbon pipeline blockages such as may be caused by hydrates and waxes is receiving a higher level of ...

    Numerical and experimental modeling of direct-drive wave energy extraction devices

    Elwood, David / Yim, Solomon / Yokochi, Alex et al. | Tema Archiv | 2007
    consequent lower costs. However, many engineering challenges need to be overcome to ensure wave energy device survivability, reliability and ...

    Mechanical properties and bending behaviors of low temperature toughness linepipe steels

    Ahn, Seong-Soo / Cho, Woo-Yeon / Yoon, Tae-Yang et al. | Tema Archiv | 2007
    force had a little effect on the peak moment but changed the deformation pattern and state of critical compressive strain of linepipe. It was ...
    Schlagwörter: Offshore-Rohrleitung

    Fatigue performance of friction welded studs

    Hsu, T.M. / Herman, Arthur / Buitrago, Jaime et al. | Tema Archiv | 2005
    remedial action taken to minimize the riser movements and its effects on the hull involved the use of novel rubber bumpers, which were installed in ...

    Static stress redesign of plates by large admissible perturbations

    Kristanto, Bhineka M. / Bernitsas, Michael M. | Tema Archiv | 2005
    enables the designer to redesign a structure to achieve specifications on modal properties, static displacements, forced response amplitudes, and ...

    Vortex-induced vibration and coincident current velocity profiles for a deepwater drilling riser

    Srivilairit, T. / Manuel, L. | Tema Archiv | 2007
    The objective of this study is to use full-scale field data on current velocities and riser motions to better understand the behavior of ...

    Comparison between predicted and measured umbilical bending stresses during manufacturing

    Saevik, Svein / Gjosteen, Janne K. | Tema Archiv | 2006
    reeled on and off storage drums. The umbilical components may not only be exposed to pure elastic bending stresses due to the curvature radius ...

    Characterisation of the wave environment in the fatigue analysis of flexible risers

    Sheehan, John M. / Grealish, Frank W. / Smith, Russell J. et al. | Tema Archiv | 2005
    As the offshore industry moves towards deeper water developments and continues to embrace harsh environments, unbonded flexible pipes are ...
    Schlagwörter: Offshore-Industrie

    Analysis of fatigue crack propagation in typical welded joints of FPSOs

    Zhang, Bin / Moan, Torgeir | Tema Archiv | 2005
    cracks is studied in typical welded joints through the use of analytical and numerical methods. The simplified analytical model is based on the ...

    Coating life prediction for water ballast tank

    Melchers, R.E. / Jiang, X.L. / Lu, K.J. | Tema Archiv | 2005
    performance analyses are qualitative not quantitative. Coating life prediction is almost always based on experience and various assumptions, due to ...

    Pipe response under concentrated lateral loads and external pressure

    Andreadakis, Kyros P. / Karamanos, Spyros A. | Tema Archiv | 2006
    -pressurized pipes, is based on a four-moving-hinge plastic mechanism, and accounts for longitudinal stretching, and pressure effects under various end ...

    The VIVACE converter: Model tests at high damping and reynolds number around 105

    Bernitsas, Michael M. / Ben-Simon, Y. / Raghavan, Kamaldev et al. | Tema Archiv | 2006
    The VIVACE Converter is a new concept to generate clean and renewable energy from fluid flows such as those abundant in oceans, rivers or ...

    Optimizing ship machinery maintenance scheduling through risk analysis and life cycle cost analysis

    Baliwangi, Lahar / Ishida, Kenji / Arima, Hidetoshi et al. | Tema Archiv | 2006
    Ship maintenance scheduling management integrated with risk evaluation and Life Cycle Cost (LCC) assessment approach is developed in this ...

    Behavior of tensile wires in unbonded flexible pipe under compression and design optimization for prevention

    Tan, Zhimin / Loper, Cobie / Sheldrake, Terry et al. | Tema Archiv | 2006
    behaviour of these wires and for illustrating the characteristics of such behaviors. The paper presents the summary of the full scale offshore ...

    Hydraulic model tests on a tugboat support type automatic installation system for caissons with antirolling boards

    Yoneyama, H. / Shiraishi, S. / Nazato, K. et al. | Tema Archiv | 1997
    several operators on a floating crane can be automated, thereby improving working conditions on offshore construction sites. The automatic ...
    Schlagwörter: Offshore-Gebiet

    Degradation of the effect of polymer addition on the reduction of pipe friction by mechanical stirring

    Kumagai, T. / Sakai, Y. / Uematsu, T. et al. | Tema Archiv | 1997
    The effect of PEO (polyethylene oxide) addition on the reduction of pipe friction for sea-water and the degradation of its effect by ...

    On the ship resistance under the design waterline in the continuous mode of icebreaking in level ice

    Puntigliano, F.M. | Tema Archiv | 1997
    resistance under the design waterline. An icebreaker model with a Simplified Waas Bow was tested. Forces on three segments and the pressure field on ...

    A stereoscopic endoscopic optical system for measurement of the 3D weld geometry of pipes - concepts and preliminary results

    Hofmann, Allan / Albertazzi, Armando / Castilho Santos, Joao et al. | Tema Archiv | 2006
    naturally done by the brain of most animals and humans. It is also already a very well established computer vision technique to extract 3D ...

    A proposal for the control of teams of autonomous underwater vehicles (AUVs) in hierarchical and peripheral modes using the concept of adaptive autonomy

    Glotzbach, Thomas / Wernstedt, Jürgen | Tema Archiv | 2006
    already been successfully used in single Autonomous Underwater Vehicles (AUVs) for cooperating teams of AUVs. In the current research on AUVs, the ...

    Simulation of sloshing in LNG-tanks

    Peric, Milovan / Zorn, Tobias / Moctar, Ould el et al. | Tema Archiv | 2007
    The aim of this paper is to demonstrate the prediction of internal loads on liquified natural gas (LNG) tanker ships and on offshore ...
    Schlagwörter: Offshore-Plattform

    Preliminary results of a vortex method for stand-alone vertical axis marine current turbine

    Li, Ye / Calisal, Sander M. | Tema Archiv | 2007
    performance of stand-alone vertical axis tidal turbine in term of power efficiency, torque and forces. This method focuses on power prediction ...

    Evaluation of shear area of dwtt fracture surface with instrumented system

    Ahn, Seong Soo / Ham, You Sun | Tema Archiv | 2009
    with static loading, the data of load and displacement should be gathered during test because they were driven from fracture mechanics. In case ...

    Sour service corrosion fatigue testing of flowline welds

    McMaster, Fraser / Thompson, Hugh / Zhang, Michelle et al. | Tema Archiv | 2007
    relevant testing when considering material and process selection for offshore applications. ...

    Stress measurements at hot spots using stressprobe

    Lotsberg, I. / Salama, M.M. / Dover, W.D. et al. | Tema Archiv | 2007
    . The common practice for predicting the SCF value is the use of code-specified empirical equations and through detailed finite element analysis ...

    Metallurgical design of newly developed material for seamless pipes of X80-X 100 grades

    Arai, Yuji / Kondo, Kunio / Hirata, Hiroyuki et al. | Tema Archiv | 2007
    . The effect of microstructure of quenched and tempered (QT) steel on strength and toughness is investigated in laboratory. Uniform bainitic ...
    Schlagwörter: Offshore-Gebiet

    Fatigue testing of out-of-plane bending mechanism of chain links

    Rampi, Lucile / Vargas, Pedro | Tema Archiv | 2006
    chainhawse has internal curvature where a link rests on the intrados, similar to offloading buoy that failed in eight months, and 2) a straight ...

    Wave spectral bandwidth as a measure of available wave power

    Smith, George H. / Venugopal, Vengatesan / Fasham, Jack | Tema Archiv | 2006
    properties of the sea. This paper examines the effect of two generic power transfer functions (PTF) on power production from six simulated wave ...

    A procedure for predicting energy from a tidal turbine farm

    Li, Ye / Calisal, Sander M. | Tema Archiv | 2007
    turbines distribution with an emphasis on the turbines' hydrodynamics analysis and briefed the turbine working principle. As a companion paper to ...

    Application of CFD methods to the analysis of the flow in air-lift pump

    Pougatch, Konstantin / Salcudean, Martha | Tema Archiv | 2007
    -lift pumps to help answer fundamental questions on the process, and during their operation to select optimal process parameters and to address ...

    Subsea pipeline monitoring using fibre optic strain sensors

    Roberts, Damon | Tema Archiv | 2007
    strategies. Building on experience from monitoring risers, the technology is now being applied to other subsea infrastructure including manifolds and ...

    Condition based integrity assessment of pipelines

    Kumar, Amrita / Hannum, Robert / Beard, Shawn J. et al. | Tema Archiv | 2007
    repair or replacement. Asset management can be performed based on the actual health and usage of structures, thereby minimizing in-service ...

    Forecast of critical wave groups from surface elevation snapshots

    Clauss, Gunther F. / Testa, Daniel / Kosleck, Sascha et al. | Tema Archiv | 2007
    Reports on damages of ships, cargo and structures during heavy seas have been increasing within the last years. The impact of single ...

    Probabilistic fatigue reliability of large diameter steel catenary risers (SCR) for ultra-deepwater operations

    Akpan, U.O. / Koko, T.S. / Rushton, P.A. et al. | Tema Archiv | 2007
    ), which captures uncertainties in parameters such as loads and material properties. Parametric sensitivity studies on the fatigue strength ...

    Fatigue crack growth assessment of welded joints in ships structures: A reliability-based sensitivity study

    Rizzo, Cesare Mario / Ayala-Uraga, Efren | Tema Archiv | 2006
    are based on the classic S-N approach, which cannot be easily applied to the condition assessment of structural details. Fracture mechanics ...
    Schlagwörter: Offshore-Gebiet

    An investigation of the fatigue performance of riser girth welds

    Maddox, Stephen J. / Speck, Julian B. / Razmjoo, G. Reza | Tema Archiv | 2006
    design classifications and providing a better basis for design, fatigue tests were performed on a range of girth-welded pipes produced by ...
    Schlagwörter: Offshore-Plattform

    Finite element analysis of strain concentration in field joint of concrete coated pipelines

    Nourpanah, Nikzad / Taheri, Farid | Tema Archiv | 2009
    Realistic and accurate modeling of the strains developed in concrete coated pipelines is an important objective to offshore pipeline ...

    Methods for collapse pressure prediction of UOE linepipe

    Liessem, Andreas / Marewski, Ulrich / Groß-Weege, Johannes et al. | Tema Archiv | 2006
    pressurised, while being installed on the seabed. As a result, the ambient water exerts heavy external pressure on the pipeline. Line pipe intended ...

    Development of floating system for recovery of lithium from seawater

    Zhou, Guoqiang / Yao, Xiongliang / Sun, Liping | Tema Archiv | 2006
    , double hull structures with inlet holes on inner bottom and ballast tanks in side hulls. Seawater flows into double bottom structures from ...

    Sorption kinetics of high pressure gases in polymeric tubing materials

    Jaeger, P. / Buchner, S. / Eggers, R. | Tema Archiv | 2006
    oil ducts in off shore operation. The permeability of a polymer depends on its specific structure and physico-chemical properties like the ...
    Schlagwörter: Offshore-Gebiet

    Standardisation activities for diver welder training and certification in Europe

    Szelagowski, P. | Tema Archiv | 1997
    The paper presents the European activities to harmonize the training and certfication activities of diver welders by European ...
    Schlagwörter: Offshore-Gebiet

    Deformation capacity of induction bends

    Bruschi, Roberto / Barbas, Serghios / Mandke, Jay et al. | Tema Archiv | 2006
    and Resistance Factored Design (LRFD) equations for the design of offshore and onshore pipelines. Several experimental and theoretical studies ...

    Snam connection system for reparing deepwater and large diameter sealines

    Vienna, A. | Tema Archiv | 1997
    An overview on the existing and commercially available techniques for the repair of major damages on sealines is necessary: in order to ...
    Schlagwörter: Offshore-Gebiet

    Ventilation of gas turbine package enclosures: design evaluation procedure

    Bagheri, Hamid / Vahidi, Daniel | Tema Archiv | 2006
    Considering the importance of safety and reliability of gas turbine equipment operating in the offshore environment, and also near ...

    Steel gravity-based structures for iceberg-infested waters

    Fitzpatrick, J. / Kennedy, K. | Tema Archiv | 1997
    When CANMAR designed and built its first bottom-founded steel structure for the Beaufort Sea in the early 1980's, the best design methods ...
    Schlagwörter: Offshore-Gebiet

    R&D project of the ice-breaking cargo ship for the Northern Sea Route

    Izumiyama, K. / Uto, S. / Tamura, K. et al. | Tema Archiv | 1997
    the project a preliminary design of the NSR cargo ship was made. The designed ship was 180 m in overall length, 24 m in width and 8 m in full ...

    Gas pipeline temperature profile predictions in discontinuous permafrost regions

    Golhan, H. / Zhou, Z.J. | Tema Archiv | 1997
    which are illustrated with some numerical examples.The analysis is based on NGTL's simulation tool HART (Hydraulic Analysis and Resources ...
    Schlagwörter: Hochdruck (Mechanik)

    Towards a rational design of SWATH ships by using reliability-based optimisation

    Pu, Yongchang | Tema Archiv | 1997
    In this paper reliability-based optimisation technique was applied to a typical transverse frame in a built SWATH ship (Small Waterplane ...

    Statistical evaluation of pig inspection data

    Brückner-Foit, A. / Riesch-Oppermann, H. / Germerdonk, K. | Tema Archiv | 1997
    contour and lead to comparable results in consecutive surveys. The projected value of the individual failure probability of each flaw depends on ...
    Schlagwörter: Offshore-Gebiet

    The multispan project near seabed flow in macro-roughness areas

    Mathiesen, M. / Hansen, E.A. / Andersen, O.J. et al. | Tema Archiv | 1997
    Design of free spans of pipelines in areas of irregular seabed topography requires information on the near seabed current flow. In present ...

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