Journal of Offshore Mechanics and Arctic Engineering: Recent submissions
Now showing items 781-800 of 2185
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Extreme Wave Condition at Doggerbank
(The American Society of Mechanical Engineers (ASME), 2016)In design of offshore wind turbines, extreme wave conditions are of interest. Usually, the design wave condition is taken as the sea state corresponding to an annual exceedance probability of 2 أ— 10−2, i.e., a return ... -
Computational and Experimental Assessment of Turbulence Stimulation on Flow Induced Motion of a Circular Cylinder
(The American Society of Mechanical Engineers (ASME), 2016)Vortexinduced vibrations (VIVs) are highly nonlinear and it is hard to approach the problem analytically or computationally. Experimental investigation is therefore essential to address the problem and reveal some physical ... -
Assessment of Allowable Sea States During Installation of Offshore Wind Turbine Monopiles With Shallow Penetration in the Seabed
(The American Society of Mechanical Engineers (ASME), 2016)Installation of offshore wind turbines (OWTs) requires careful planning to reduce costs and minimize associated risks. The purpose of this paper is to present a method for assessing the allowable sea states for the initial ... -
A Comparative Simulation Study of the Annual Maxima and the Peaks Over Threshold Methods
(The American Society of Mechanical Engineers (ASME), 2016)In order to assess their relative merits in the context of the determination of metocean extremes, the annual maxima (AM) and the peaks over threshold (POT) approaches are compared in terms of their accuracy in estimating ... -
Flexible Riser Configuration Design for Extremely Shallow Water With Surrogate Model Based Optimization
(The American Society of Mechanical Engineers (ASME), 2016)The aim of this paper is to study the optimization design of a steep wave configuration based on a surrogate model for an extremely shallow water application of a flexible riser. As the traditional technique of riser ... -
A Surface Ice Module for Wind Turbine Dynamic Response Simulation Using FAST
(The American Society of Mechanical Engineers (ASME), 2016)Developing offshore wind energy has become more and more serious worldwide in recent years. Many of the promising offshore wind farm locations are in cold regions that may have ice cover during wintertime. The challenge ... -
Ovalization Defect in Energy Pipes Caused by Concentrated Load
(The American Society of Mechanical Engineers (ASME), 2016)Steel pipes are used to build pipelines that carry gas and oil across a country or a continent. The majority of onshore pipelines run underground; hence, they are called buried pipelines. These buried pipelines must endure ... -
Layout Optimization of a Floating Liquefied Natural Gas Facility Using Inherent Safety Principles
(The American Society of Mechanical Engineers (ASME), 2016)This paper presents a layout optimization methodology for the topside deck of a floating liquefied natural gas facility (FLNG) using inherent safety principles. Natural gas is emerging as a clean energy, and a large amount ... -
Efficient Dynamic Analysis of a Nonlinear Wave Energy Harvester Model
(The American Society of Mechanical Engineers (ASME), 2016)In recent years, wave energy harvesting systems have received considerable attention as an alternative energy source. Within this class of systems, singlepoint harvesters are popular at least for preliminary studies and ... -
On the Dynamic Collapse of Cylindrical Shells Under Impulsive Pressure Loadings
(The American Society of Mechanical Engineers (ASME), 2016)The dynamic collapse of submerged cylindrical shells subjected to lateral impulsive pressure loads caused by underwater explosions is studied via coupled experimental and numerical work. Two sets of experiments were ... -
Study of Maneuverability of Container Ship With Nonlinear and Roll Coupled Effects by Numerical Simulations Using RANSE Based Solver
(The American Society of Mechanical Engineers (ASME), 2016)The examination of maneuvering qualities of a ship is necessary to ensure its navigational safety and prediction of trajectory. The study of maneuverability of a ship is a threestep process, which involves selection of a ... -
Temporary Creep and Postcreep Properties of Aquaculture Netting Materials With UHMWPE Fibers
(The American Society of Mechanical Engineers (ASME), 2016)This paper presents test results on temporarycreep properties, recovery of strain postcreep and postcreep tensile properties of a Raschel knitted netting material with a combination of ultrahigh molecular weight polyethylene ... -
Load Torque Estimation Method to Design Electric Drivetrains for Offshore Pipe Handling Equipment
(The American Society of Mechanical Engineers (ASME), 2016)One of the main design objectives for electric drivetrains operating in offshore drilling equipment is to keep them as small, yet as effective, as possible, to minimize space they occupy on drill floor and maximize their ... -
Radial Buckling of Tensile Armor Wires in Subsea Flexible Pipe—Numerical Assessment of Key Factors
(The American Society of Mechanical Engineers (ASME), 2016)Flexible pipes can be used as risers, jumpers, and flowlines that may be subject to axial forces and outofplane bending motion due to operational and environmental loading conditions. The tensile armor wires provide axial ... -
Effects of Water Inside Semiclosed Moon Pool on the Hydrodynamic Coefficients and Heaving Damping of a Truss Spar Platform
(The American Society of Mechanical Engineers (ASME), 2016)The hydrodynamic coefficients and heaving damping of a truss spar platform were studied by the computational fluid dynamics (CFD) method with considering the semiclosed moon pool. A partial model was established to investigate ... -
An Experimental Study for Fatigue Performance of 7% Nickel Steels for Type B Liquefied Natural Gas Carriers
(The American Society of Mechanical Engineers (ASME), 2016)Structural safety is one of the most important issues associated with liquefied natural gas (LNG) storage systems, such as LNG carriers, LNG Floating Production Storage Offloading (FPSO), and Floating Storage Regasification ... -
Truncation Design and Model Testing of a Deepwater FPSO Mooring System
(The American Society of Mechanical Engineers (ASME), 2016)Limitation of offshore basin dimensions is a great challenge for model tests of deepwater mooring system. The mooring system cannot be modeled entirely in the basin with a reasonable model scale. A classical solution is ... -
Risk Based Cost Effectiveness Analysis of Waste Handling Practices in the Arctic Drilling Operation
(The American Society of Mechanical Engineers (ASME), 2016)As oil and gas companies in the Arctic attempt to maximize the value of each project and optimize their portfolio of investment opportunities, it has become vital to evaluate drilling waste handling practices for their ... -
Effect of Partially Filled Spherical Cargo Tanks on the Roll Response of a Bargelike Vessel
(The American Society of Mechanical Engineers (ASME), 2016)Floating liquefied natural gas (FLNG) is an offshore structure which enables liquefaction, storage, and offloading of natural gas. It is a game changer in offshore hydrocarbon development. Sidebyside offloading is a promising ... -
Parameter Identification of Ship Maneuvering Model Based on Support Vector Machines and Particle Swarm Optimization
(The American Society of Mechanical Engineers (ASME), 2016)Combined with the freerunning model tests of KVLCC ship, the system identification (SI) based on support vector machines (SVM) is proposed for the prediction of ship maneuvering motion. The hydrodynamic derivatives in an ...