Journal of Offshore Mechanics and Arctic Engineering: Recent submissions
Now showing items 201-220 of 2185
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Oblique Wave Scattering by a Combination of Two Asymmetric Trenches of Finite and Infinite Depths
(The American Society of Mechanical Engineers (ASME), 2024)The focal point of the current study lies in investigating oblique wave scattering within the framework of linear potential theory, with particular attention to scenarios involving asymmetric trenches of both finite and ... -
Impacts of the Bottom Vortex on the Surrounding Flow Characteristics of a Semi-Submerged Rectangular Cylinder Under Four Aspect Ratios
(The American Society of Mechanical Engineers (ASME), 2024)Vortex has attracted attention because it is the main factor affecting the flow characteristics around offshore structures. This paper researches the flow field variations around a semi-submerged rectangular cylinder (SRC) ... -
Numerical Simulation of Net Cage and an Alternative Method to Estimate the Remaining Volume
(The American Society of Mechanical Engineers (ASME), 2024)The deformation caused by waves and current in an aquatic environment significantly impacts the remaining volume of a net cage. Its fluctuations in magnitude could pose a potential threat to the well-being of cultivated ... -
Bragg Resonance of Surface Gravity Waves by Surface-Piercing Vertical Multi-Plate Breakwaters
(The American Society of Mechanical Engineers (ASME), 2024)The interaction between surface gravity waves and surface-piercing vertical multi-plate breakwaters in finite water depth is investigated under the assumption of potential flow theory. The time-domain desingularized boundary ... -
Wave Dynamics Around a Floating Circular Flexible Plate Over a Permeable Bed
(The American Society of Mechanical Engineers (ASME), 2024)In this paper, to determine the efficacy of the porous bed on damping far-field wave energy, the wave dynamics around a circular plate is studied. By combining the appropriate boundary conditions, the unknown potential is ... -
Effect of Sloping Bottom on Wave Interaction With Multiple Flexible Moored Breakwaters
(The American Society of Mechanical Engineers (ASME), 2023)An analytical framework is developed to analyze the interaction of oblique waves with multiple flexible porous breakwaters under the consideration of bottom undulation. The mathematical problem is tackled using the small ... -
Influence of Rate Effects, Temperature, and Moisture Content on the Geomechanical Behavior of Marine Clays
(The American Society of Mechanical Engineers (ASME), 2023)The study of the geomechanical behavior of marine clays is a basic requirement for project optimization of the oil and natural gas industry. As part of a large-scale project, this study explored the effects of moisture ... -
Analysis of Convergence Behavior for the Overset Mesh Based Numerical Wave Tank in openfoam
(The American Society of Mechanical Engineers (ASME), 2023)This paper presents a solution verification and validation study for an overset mesh based numerical wave tank in openfoam, which considers the coupling between a free-surface hydrodynamic flow model, a rigid body motion ... -
A Coupled Fluid-Structure Model for Estimation of Hydraulic Forces on the Drill-Pipes
(The American Society of Mechanical Engineers (ASME), 2024)Most models employed for fluid forces in drill-string dynamics are of reduced order. The simplified nature of these models often fails to describe the complex behavior of the fluid force, in particular, when the drill-string ... -
A Time Domain Model to Predict Dynamic Response of Multiple Floating Bodies Connected With Hinges Based on the Kane Method
(The American Society of Mechanical Engineers (ASME), 2023)A two-dimensional model to estimate the hydrodynamic response of hinged multiple floating body systems in the time domain is established based on the Kane method. The reduced Kane equations applicable to the dynamic response ... -
An Analysis of Factors Influencing Ice Management Performance in an Experimental Marine Simulator and Their Application to Decision Support System Design
(The American Society of Mechanical Engineers (ASME), 2023)Ice management is essential for maintaining the safety of offshore operations in Arctic regions. We present the combined results of three experiments conducted in a full-mission bridge simulator specially designed for ice ... -
Design and Dynamic Analysis of a Co-Existence Solution Between a Semi-Submersible Offshore Fish Cage and a Spar-Type Floating Offshore Wind Turbine1
(The American Society of Mechanical Engineers (ASME), 2024)Clean energy captured by offshore wind turbines has been widely used for supporting onshore activities. In the near future, facilities such as offshore wind turbines can also play an important role in the energy transition ... -
Prediction of Wave Spectral Parameters Using Multiple-Output Regression Models to Support the Execution of Marine Operations
(The American Society of Mechanical Engineers (ASME), 2023)Execution of a marine operation (MO) requires coordinated actions of several vessels conducting simultaneous and sequential offshore activities. These activities have their operational limits given in terms of environmental ... -
Analysis of Wave Force and Run-Up Acting on an Impermeable Vertical Circular Cylinder Surrounded by Multiple Thick Porous Layers
(The American Society of Mechanical Engineers (ASME), 2023)In this work, we analyze the effect of multiple thick porous layers, fitted around a rigid vertical circular cylinder, on the wave forces acting on the rigid structure. Using the eigenfunction expansion method in cylindrical ... -
Bragg Scattering of Surface Gravity Waves by a Submerged Composite Wavy Porous Plate
(The American Society of Mechanical Engineers (ASME), 2023)Surface gravity wave interaction of composite wavy porous plate is studied by developing a numerical model using the boundary element method in the context of two-dimensional linear potential theory. Bragg scattering ... -
Serviceability Limit State Assessment of Semi-Submersible Floating Wind Turbines
(The American Society of Mechanical Engineers (ASME), 2023)The design of a floating wind turbine (FWT) should satisfy the serviceability limit state (SLS) requirement for an efficient and safe operation throughout the entire work life. The SLS requirements are introduced by the ... -
What a Wave Buoy Actually Measures in 3D: Analysis of a Mild Sea State
(The American Society of Mechanical Engineers (ASME), 2023)Measurements of surface waves from oceanographic buoys have been regarded as the “ground truth” for validation of sea-state prediction models, providing the basis for input to the design of offshore structures. The engineering ... -
Numerical Simulation of Local Scour Around a Square Artificial Reef
(The American Society of Mechanical Engineers (ASME), 2023)Artificial reefs (ARs) are one of the key anthropogenic constructs used to restore offshore fishery resources and recover the ecological environment. However, many ARs lose their stability and function due to scour. To ... -
Loading Rate Effect on the Pullout Capacity of OMNI-Max Anchors in Clay Coupled With Multiple Factors
(The American Society of Mechanical Engineers (ASME), 2023)As the latest development of gravity installed anchors (GIAs), the OMNI-Max anchor has drawn much attention from worldwide due to its unique behavior in the seabed. The pullout capacity of OMNI-Max anchors is a key index ... -
Peridynamic Analysis of Tubular Joints of the Offshore Jacket Structure
(The American Society of Mechanical Engineers (ASME), 2023)Peridynamic theory is the reformulation of classical mechanics mathematical theory compatible with cracks while performing structural analysis. The present study models the tubular joints having T, Y, K, and X configurations ...