Journal of Offshore Mechanics and Arctic Engineering: Recent submissions
Now showing items 841-860 of 2185
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Experimental Investigation of Pile Installation by Vertical Jet Fluidization in Sand
(The American Society of Mechanical Engineers (ASME), 2015)The paper examines the mechanism of pile installation by vertical jet fluidization in saturated sand in order to define the constitutive parameters that control installation geometry and pile depth of embedment. A series ... -
Tow Forces for Emergency Towing of Containerships
(The American Society of Mechanical Engineers (ASME), 2015)For a series of five containerships of differing capacities (707, 3400, 5300, 14,000, and 18,000 TEU), systematic computations were performed to estimate the tow force required in an emergency. Timeaverage ship positions ... -
Comparison of Distributions of Wave Heights From Nonlinear Schrأ¶edinger Equation Simulations and Laboratory Experiments
(The American Society of Mechanical Engineers (ASME), 2015)Numerical simulations of the nonlinear Schrأ¶dinger (NLS) equation are performed by imposing randomly synthesized free surface displacement at the wave maker characterized by the Joint North Sea Wave Project (JONSWAP) ... -
Selection of Design Lower Deck Elevation of Fixed Offshore Platforms for Mexican Code
(The American Society of Mechanical Engineers (ASME), 2015)This paper presents the definition of lower deck elevation (LDE) of fixed offshore platforms in Mexican part of the Gulf of Mexico (GoM), which were applied in the Mexican code for design and assessment of fixed offshore ... -
Poro Elasto Plastic Model for the Wave Induced Liquefaction1
(The American Society of Mechanical Engineers (ASME), 2015)In this paper, we presented an integrated numerical model for the waveinduced pore pressures in marine sediments. Two mechanisms of the waveinduced pore pressures were considered. Both elastic components (for oscillatory) ... -
Model Tests on the Long Term Dynamic Performance of Offshore Wind Turbines Founded on Monopiles in Sand
(The American Society of Mechanical Engineers (ASME), 2015)The dynamic response of the supporting structure is critical for the inservice stability and safety of offshore wind turbines (OWTs). The aim of this paper is to first illustrate the complexity of environmental loads acting ... -
Global Responses of Struck Ships in Collision With Emphasis on Hydrodynamic Effects
(The American Society of Mechanical Engineers (ASME), 2015)Hydrodynamic effects in ship collisions are usually considered by increased inertia force in the form of the equivalent added mass. It is necessary to reasonably estimate the equivalent added mass to calculate energy ... -
Thruster and Hull Interaction
(The American Society of Mechanical Engineers (ASME), 2015)A hybrid method which couples a vortexlattice method (VLM) solver and a ReynoldsAveraged Navier–Stokes (RANS) solver is applied to simulate the interaction between a dynamic positioning (DP) thruster and a floating ... -
Model Test of a 1:8 Scale Floating Wind Turbine Offshore in the Gulf of Maine1
(The American Society of Mechanical Engineers (ASME), 2015)A new floating wind turbine platform design called VolturnUS developed by the University of Maine uses innovations in materials, construction, and deployment technologies such as a concrete semisubmersible hull and a ... -
A Numerical Study on Stratified Shear Layers With Relevance to Oil Boom Failure
(The American Society of Mechanical Engineers (ASME), 2015)Interface dynamics of twophase flow, with relevance for leakage of oil retained by mechanical oil barriers, is studied by means of a twodimensional (2D) latticeBoltzmann method (LBM) combined with a phasefield model for ... -
Collapse and Buckling Behaviors of Reinforced Thermoplastic Pipe Under External Pressure
(The American Society of Mechanical Engineers (ASME), 2015)The collapse and buckling behaviors of reinforced thermoplastic pipe (RTP) under external pressure are studied in this paper. A theoretical model which includes axial and shear deformation is applied based on the model ... -
Probabilistic Analysis of Local Ice Loads on a Lifeboat Measured in Full Scale Field Trials
(The American Society of Mechanical Engineers (ASME), 2015)This paper presents an analysis of local ice loads measured during fullscale field trials conducted in 2014 with a totally enclosed motor propelled survival craft (TEMPSC) in controlled pack ice conditions. These data were ... -
Drag Forces on, and Deformation of, Closed Flexible Bags
(The American Society of Mechanical Engineers (ASME), 2015)The use of closed flexible bags is among the suggestions considered as a potential way to expand the salmon production in Norway. Few ocean structures exist with large, heavily compliant submerged components, and there is ... -
Dynamic Asynchronous Coupled Analysis and Experimental Study for a Turret Moored FPSO in Random Seas
(The American Society of Mechanical Engineers (ASME), 2015)The dynamic coupling analysis between floating platform and mooring/risers is one of the challenging topics in development of oil and gas exploration in deepwater area. In this paper, the dynamic coupled analysis model for ... -
Three Dimensional Numerical Modeling of Pier Scour Under Current and Waves Using Level Set Method
(The American Society of Mechanical Engineers (ASME), 2015)A threedimensional (3D) computational fluid dynamics (CFD) model is used to calculate the scour and the deposition pattern around a pier for two different boundary conditions: constant discharge and regular waves. The CFD ... -
Influence of Wave Induced Second Order Forces in Semisubmersible FOWT Mooring Design
(The American Society of Mechanical Engineers (ASME), 2015)AZIMUT project (Spanish CENIT R&D program) is designed to establish the technological groundwork for the subsequent development of a largescale offshore wind turbine. The project (2010–2013) has analyzed different ... -
Joint Distribution of Environmental Condition at Five European Offshore Sites for Design of Combined Wind and Wave Energy Devices
(The American Society of Mechanical Engineers (ASME), 2015)The design of wind turbines requires information about joint data for wind and wave conditions. Moreover, combining offshore wind and wave energy facilities is a potential way to reduce the cost of offshore wind farms. To ... -
Structural Analysis of Aquaculture Nets: Comparison and Validation of Different Numerical Modeling Approaches
(The American Society of Mechanical Engineers (ASME), 2015)The performance of three different numerical methods were compared and evaluated against data from physical model tests of nets subjected to a static load due to water currents. A parameter study of a simplified net cage ... -
Experimental and Numerical Analyses of Dented Stiffened Panels
(The American Society of Mechanical Engineers (ASME), 2015)Numerical–experimental correlation study for small scale damaged stiffened panels was performed. Six small scale models were fabricated. Two of them were employed for the correlation of intact panels and the remaining ... -
A Multibody Dynamic Model of Drillstring for Torque and Drag Analysis
(The American Society of Mechanical Engineers (ASME), 2015)Excessive torque and drag in the wellbore can result in the buckling and the failure of the drillstring. Accurate predicting torque and drag is important in drilling operations. Due to the nature of the drilling, determination ...