Journal of Offshore Mechanics and Arctic Engineering: Recent submissions
Now showing items 361-380 of 2185
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On the Accuracy of Voluntary Observing Ship’s Records
(The American Society of Mechanical Engineers (ASME), 2021)A one-to-one comparison of the significant wave height reported by Voluntary Observing Ships (VOS) with the ERA-interim database is performed. A preliminary filtering procedure allows excluding reports affected by the most ... -
Numerical Investigation of Wave Energy Absorbed by the Edinburgh Nodding Duck Device in Front of a Vertical Wall
(The American Society of Mechanical Engineers (ASME), 2021)An open-source computational fluid dynamics (CFD) package, openfoam, is extended and applied to study the power takeoff (PTO) efficiency absorbed by an Edinburgh nodding duck wave energy converter (WEC) device installed ... -
A Novel Structural Configuration of Modular Floating Wind Farms With Self-Adaptive Property
(The American Society of Mechanical Engineers (ASME), 2021)The present work proposes a novel structural configuration for floating wind farms after an investigation into the structural configurations of current floating wind farms. The uniqueness of the structural configuration ... -
The Effect of Counterweight Mass and Line Stiffness on the Global Dynamic Performance of a Hanging-Mass Floating Offshore Wind Turbine
(The American Society of Mechanical Engineers (ASME), 2021)Innovative floating offshore wind turbine (FOWT) platforms that deviate from the conventional semi-submersible, spar, and tension leg platforms (TLP) have become increasingly common due to the need to tap into the high ... -
Numerical Investigation on Motion Responses of a Floating Hemisphere Over a Sloping Bottom
(The American Society of Mechanical Engineers (ASME), 2021)In the last several decades, some numerical approaches have been proposed to deal with three-dimensional wave-body interaction problems in sloping bottom environment. Most of them either adopt the finite depth Green function ... -
Salvesen’s Method for Added Resistance Revisited
(The American Society of Mechanical Engineers (ASME), 2021)Almost 4 years after the appearance of Salvesen–Tuck–Faltinsen (STF) strip theory (Salvesen et al., 1970, “Ship Motions and Sea Loads,” Annual Meeting of the Society of Naval Architecture and Marine Engineers (SNAME), New ... -
Hydrodynamic Loads on Net Panels With Different Solidities
(The American Society of Mechanical Engineers (ASME), 2021)Drag forces on nets represent the largest contribution to hydrodynamic loads on traditional fish farms and will have a large impact on total loads on new designs utilizing netting as containment method. Precise methods for ... -
Effects of Thickness and Winding Angle of Reinforcement Laminates on Burst Pressure Capacity of Thermoplastic Composite Pipes
(The American Society of Mechanical Engineers (ASME), 2021)The cross section of thermoplastic composite pipes (TCPs) consists of three layers: an inner liner, reinforcement laminates, and an outer jacket; the three layers are fully bonded together to form a solid-walled structure. ... -
Assessment of the Acoustic Reflectometry Technique to Detect Pipe Blockages
(The American Society of Mechanical Engineers (ASME), 2021)Flow assurance is an important aspect of deepwater pipeline design and operation since one of the critical issues is the eventual initiation and growth of hydrate or paraffin blockages under certain conditions. Another ... -
Tensile Response of a Flexible Pipe With an Incomplete Tensile Armor Layer
(The American Society of Mechanical Engineers (ASME), 2021)Unbonded flexible pipes are widely utilized in the exploitation of offshore oil and gas resources. They are connected to two of the most critical types of system: floating production platforms and underwater production ... -
Support Vector Machines Model of the Nonlinear Hydrodynamics of Fixed Cylinders
(The American Society of Mechanical Engineers (ASME), 2021)Data-driven modeling is considered as a prospective approach for many conventional physical problems including ocean applications. Among various machine learning techniques, support vector machine stands out as one of the ... -
Investigation of the Effect of Block Size, Shape, and Freeze Bond Strength on Flexural Failure of Freshwater Ice Rubble Using the Discrete Element Method
(The American Society of Mechanical Engineers (ASME), 2021)As part of the Mechanics of Ice Rubble project, recent experiments have been carried out to study the strength and failure behavior of ice rubble beams and the freeze bonds that form between individual ice blocks. In this ... -
Research on Autonomous Underwater Vehicle Homing Method Based on Fuzzy-Q-FastSLAM
(The American Society of Mechanical Engineers (ASME), 2021)Autonomous docking guidance is one of the key technologies to achieve the autonomous underwater vehicle (AUV) docking with the sub-sea docking station (DS) to realize long-term resident operation. In the process of AUV ... -
Wave Trapping Efficiency of a Flexible Membrane Near a Partially Reflecting Seawall
(The American Society of Mechanical Engineers (ASME), 2021)The gravity wave interaction with a flexible membrane placed at a finite distance from the partially reflecting seawall is analyzed under the framework of linear water wave theory using the multi-domain boundary element ... -
Numerical Investigation on the Cage-to-Cage Wake Effect: A Case Study of a 4 × 2 Cage Array
(The American Society of Mechanical Engineers (ASME), 2021)Aquaculture has been the world’s fastest-growing food producing method and grown to become the second-largest export industry in Norway during the past 40 years. Usually, the high-value fish such as Atlantic Salmon (Salmo ... -
A Numerical Study on the Evolution of Random Seas With the Occurrence of Rogue Waves
(The American Society of Mechanical Engineers (ASME), 2021)Numerous numerical and experimental investigations show that rogue waves present much larger probabilities of occurrence than predicted by the linear random wave model, i.e., Gaussian distributed waves. The deviation from ... -
Anisotropy of Reynolds Stress Tensor in Combined Wave–Current Flow
(The American Society of Mechanical Engineers (ASME), 2021)This study examines the turbulent stress anisotropy tensor based on the Lumley triangle technique and eigenvalues in wave–current combined flows. The invariant functions are also presented at a different vertical location ... -
Parametric Wave Spectrum Model for Typhoon-Generated Waves Based on Field Measurements in Nearshore Strait Water
(The American Society of Mechanical Engineers (ASME), 2021)The stochastic waves generated by storm landfalls usually determine the design and safety of coastal and offshore structures in typhoon regions. This study developed a parametric wave spectrum model for typhoon-generated ... -
Design Considerations of a Subsea Shuttle Tanker System for Liquid Carbon Dioxide Transportation
(The American Society of Mechanical Engineers (ASME), 2020)Subsea pipelines and umbilicals are used for the transportation of fluids and electrical power between subsea installations and floating production units (FPUs). The installation and maintenance of these systems can be ... -
Hydrodynamic Investigation of a Novel Concept of Oscillating Water Column Type Wave Energy Converter Device
(The American Society of Mechanical Engineers (ASME), 2021)The hydrodynamic performance of a novel and efficient concept of a floating oscillating water column device has been investigated. The new concept consists of two chambers. These chambers are positioned on the upstream ...