Journal of Offshore Mechanics and Arctic Engineering: Recent submissions
Now showing items 1001-1020 of 2185
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Predicting the Probability of Riser Collision Under Stochastic Excitation and Multiple Uncertainties
(The American Society of Mechanical Engineers (ASME), 2013)As the offshore industry moves to deeper waters, riser collision becomes a more crucial concern. Riser interference assessments need to rely on time domain simulations due to nonlinearities such as hydrodynamic interferences, ... -
Prediction of Vortex Induced Vibration Response of a Pipeline Span by Coupling a Viscous Flow Solver and a Beam Finite Element Solver
(The American Society of Mechanical Engineers (ASME), 2013)This paper describes a fluidstructure interaction (FSI) modeling approach to predict the vortexinduced vibration response of a pipeline span by coupling a threedimensional viscous incompressible Navier–Stokes solver with ... -
Qualitative Description of a Shoulder Ice Barrier Ice Interaction During Model Tests
(The American Society of Mechanical Engineers (ASME), 2013)This paper describes, qualitatively and through visual observations, the icesheet interaction with a shoulder ice barrier (SIB) during model tests. The model tests were performed in the Hamburg Ship Model Basin (HSVA) ... -
Failure of Pressurized Corroded Pipeline Subject to Axial Compression: A Parametric Study
(The American Society of Mechanical Engineers (ASME), 2013)Onshore buried steel pipelines are used for transporting oil and gas to various cities and locations. These pipelines can be subjected to various loading, such as axial, bending, shear, and other complex loading from the ... -
Contribution of Primary Creep in Modeling the Mechanical Behavior of Polycrystalline Ice
(The American Society of Mechanical Engineers (ASME), 2013)In most of the models proposed for deformation of ice, in addition to instantaneous elastic and viscoelastic parts, a viscoplastic part is also considered. An expression used for material secondary creep is usually employed ... -
Ultimate Strength Characteristics of a Ship's Deck Stiffened Plate Structure in the Presence of Camber Parabolic Curvature
(The American Society of Mechanical Engineers (ASME), 2013)The main target of this research is to identify the effects of camber parabolic curvature on the ultimate strength and behavior of stiffened plates under inplane compression. A parametric model for the study of the problem ... -
A Finite Macro Element for Orthotropic Cylindrical Layer Modeling
(The American Society of Mechanical Engineers (ASME), 2013)The offshore industry is in constant evolution due to the need to reach increasing water depths for new oil fields exploitation. In this scenario, not only are new types of platforms being designed but also new types of ... -
Full Scale Measurements and Theoretical Predictions of 2nd Order Pitch and Roll Slow Motions of a Semisubmersible Platform
(The American Society of Mechanical Engineers (ASME), 2013)In Oct. 2007, the semisubmersible platform PETROBRAS 52 (P52) was installed in Campos Basin (Roncador Field) offshore Brazil, in a depth around 1800 m through 16 lines in tautleg con. The maximum production capacity is ... -
Application of the Contour Line Method for Estimating Extreme Responses in the Mooring Lines of a Two Body Floating Wave Energy Converter
(The American Society of Mechanical Engineers (ASME), 2013)The ultimate limit state (ULS) is one of the design criteria used in the oil and gas industry in mooring system design for floating platforms. The 100 year level response in the mooring line should be applied for the ULS ... -
The Andrea Wave Characteristics of a Measured North Sea Rogue Wave
(The American Society of Mechanical Engineers (ASME), 2013)Wave profiles have been measured with a system of four Optech lasers mounted on a bridge at the oil production site Ekofisk in the central North Sea since 2003, operated by ConocoPhillips. A double rogue wave was measured ... -
Response Based Identification of Critical Wave Scenarios
(The American Society of Mechanical Engineers (ASME), 2013)In the past few years the identification and investigation of critical wave sequences in terms of offshore structure responses became one of the main topics in the ocean engineering community. Thereby the area of interest ... -
Analyses of Extreme Wave Heights in the Gulf of Mexico for Offshore Engineering Applications
(The American Society of Mechanical Engineers (ASME), 2013)The 2004–2008 hurricane season in the Gulf of Mexico (GOM) saw several exceedances of what was regarded, prior to that period, as the 100year significant wave heights (SWHs) that are used for the design of offshore oil ... -
Numerical Modeling of Seabed Response to Combined Wave Current Loading
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, a numerical model is developed to study the dynamic response of a porous seabed to combined wavecurrent loadings. While the Reynoldsaveraged Navier–Stokes equations with kخµ turbulence closure scheme and ... -
Lateral Force and Yaw Moment on a Slender Body in Forward Motion at a Yaw Angle
(The American Society of Mechanical Engineers (ASME), 2013)This paper presents a solution method for obtaining the lateral hydrodynamic forces and moments on a submerged body translating at a yaw angle. The method is based on the infinitefluid formulation of the freesurface ... -
Return Value Estimation of Significant Wave Heights With Maximum Entropy Distribution
(The American Society of Mechanical Engineers (ASME), 2013)The maximum entropy distribution is proposed to fit the long term and extreme distribution of significant wave heights from which return value estimates are derived. The maximum entropy distribution is applied to data from ... -
Three Dimensional Fluid Structure Sediment Interaction Modeling With Application to Local Scouring Around a Movable Cylinder
(The American Society of Mechanical Engineers (ASME), 2013)Complex multidisciplinary physical fields formed by the dynamic interaction between fluid flows, structure motion, and seabed profile evolution are natural in a marine environment. Modeling and analysis of such ... -
Active Control of a Reduced Scale Riser Undergoing Vortex Induced Vibrations
(The American Society of Mechanical Engineers (ASME), 2013)This article concerns the use of an active control applied to a reduced scale riser undergoing vortexinduced vibrations (VIV). The control system relies upon the fact that a flexible structure undergoing VIV oscillates at ... -
Experimental and Numerical Study of Wake Interference and Clashing Between Steel Catenary Risers
(The American Society of Mechanical Engineers (ASME), 2013)The aim of this work is to estimate the risk of clashing between steel catenary risers (SCRs) due to wake interference. More generally, the validity of clearance analysis between risers as recommended by design codes is ... -
Average Properties of the Largest Waves in Hurricane Camille
(The American Society of Mechanical Engineers (ASME), 2013)Ocean waves are known to be both random in time and nonlinear. Surface elevation time histories measured in the Gulf of Mexico during Hurricane Camille in 1969 are reanalyzed. The average shapes of large crests and deep ... -
Characteristics of Hydrodynamics and Generating Output of the Offshore Floating Wave Energy Device “Mighty Whaleâ€
(The American Society of Mechanical Engineers (ASME), 2013)In this paper, a new numerical calculation method is presented; it was developed for the analysis of the hydrodynamic characteristics of a floating, oscillating water column (OWC) type wave power device. The method is ...