Journal of Offshore Mechanics and Arctic Engineering: Recent submissions
Now showing items 181-200 of 2185
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Profiles of Two JOMAE Associate Editors (The Seventh in a Continuing Series)
(The American Society of Mechanical Engineers (ASME), 2024) -
Weakly Nonlinear Surface Wave Prediction Using a Data-Driven Method With the Help of Physical Understanding
(The American Society of Mechanical Engineers (ASME), 2023)Accurate surface wave prediction can potentially improve the safety and efficiency of various offshore operations, such as heavy lifts and active control of wave energy converters and floating wind turbines. Prediction of ... -
Gravity Wave Interaction With a Composite Pile–Rock Breakwater
(The American Society of Mechanical Engineers (ASME), 2023)Surface gravity wave interaction with a novel composite pile–rock breakwater having a stack of porous plates fixed on its top is investigated in the present study. A numerical code based on the dual boundary element method ... -
Mitigation of Wave Force on a Tunnel in the Presence of Submerged Porous Plate Over Trench-Type Bottom Topography
(The American Society of Mechanical Engineers (ASME), 2023)Thin porous plates serve as an effective model for the construction of breakwater. Thus, the problem involving oblique wave interaction with a tunnel in the presence of a submerged horizontal porous plate over a trench-type ... -
Analyzing the Sensitivity of Wave Frequency Responses of Floating Vessels to Uncertain System Variables Utilizing Polynomial Chaos Expansion
(The American Society of Mechanical Engineers (ASME), 2023)From a mathematical viewpoint, the frequency domain analysis of vessel motion responses due to wave actions is based on integration of system dynamics idealized in terms of response amplitude operators for six degrees-of-freedom ... -
A Computational Study to Predict the Seakeeping Performance of a Surfaced Submarine in Irregular Waves
(The American Society of Mechanical Engineers (ASME), 2023)In general, submarines are designed to optimize operation below the water surface because they spend most of their time underwater. On the other hand, the performance in the free surface condition is also important because ... -
Numerical Investigation on Near-Bottom Operation of an Extra-Large Freight Submarine
(The American Society of Mechanical Engineers (ASME), 2023)This work investigates the hydrodynamic performance of a subsea shuttle, an extra-large freight submarine, during near-seabed operation. The three-dimensional Reynolds-averaged Navier–Stokes method combined with the k − ω ... -
Data Informed Model Test Design With Machine Learning–An Example in Nonlinear Wave Load on a Vertical Cylinder
(The American Society of Mechanical Engineers (ASME), 2023)Model testing is common in coastal and offshore engineering. The design of such model tests is important such that the maximal information of the underlying physics can be extrapolated with a limited amount of test cases. ... -
A Joint Probability Distribution for Multivariate Wind-Wave Conditions and Discussions on Uncertainties
(The American Society of Mechanical Engineers (ASME), 2024)This article presents a joint statistical model, which is needed in probabilistic design and structural risk assessment, that has been fitted to data of wind and wave conditions for an offshore location off South Brittany. ... -
A Machine Learning Model for Prediction of Marine Icing
(The American Society of Mechanical Engineers (ASME), 2024)Marine icing due to freezing sea spray has been attributed to many safety incidences. Prediction of sea spray icing is necessary for operational safety, design optimization, and structural health. In general, lack of ... -
A Physics-Informed Neural Operator for the Simulation of Surface Waves
(The American Society of Mechanical Engineers (ASME), 2024)We develop and implement a neural operator (NOp) to predict the evolution of waves on the surface of water. The NOp uses a graph neural network (GNN) to connect randomly sampled points on the water surface and exchange ... -
An Improved Decoupled Finite Element Analysis Method of Ultra-Large Offshore Wind Turbine Subjected to Combined Wind–Wave Actions
(The American Society of Mechanical Engineers (ASME), 2024)Owing to the simplification of the wind turbine, it is difficult to accurately simulate the interaction between the rotor system and the supporting structure using the decoupling finite element method. Therefore, when using ... -
Study on Cable Tension Characteristics of Shore-Based Constant Tension Mooring Systems Under the Coupling Effect of Wind, Wave, and Current
(The American Society of Mechanical Engineers (ASME), 2024)This paper proposes a shore-based constant tension mooring system, which improves the cable tension distribution by adjusting the length of the cable to maintain the constant tension of the cable between the ship and the ... -
Experimental Study on the Hydrodynamic Performance of a Flexible Connected Double-Module Floating Structure
(The American Society of Mechanical Engineers (ASME), 2024)A flexibly connected double-module floating structure can be used as the primary component unit of a large multi-module floating structure, revealing some basic principles regarding the interaction of multiple modules and ... -
A Fast Algorithm for the Prediction of Distance at Closest Point of Approach in the Maneuvering of Two Ships
(The American Society of Mechanical Engineers (ASME), 2024)The situation of two ships maneuvering in the vicinity is not so rare, and the significant hydrodynamic interaction effect always poses a threat to navigation safety in these conditions. The assessment of the Distance at ... -
Motion-Based Wave Inference With Neural Networks: Transfer Learning From Numerical Simulation to Experimental Data
(The American Society of Mechanical Engineers (ASME), 2024)The directional wave spectrum, which describes the distribution of wave energy along frequencies and directions, can be estimated from the measured motions of a vessel subjected to a particular sea condition by resorting ... -
Effect of Broadness of Wave Spectrum on Significant Wave Height and Wave Power for Open Ocean Conditions of the Peru Basin
(The American Society of Mechanical Engineers (ASME), 2024)When estimating significant wave height and wave power, it is regularly assumed 4 for the spectral estimate factor. It means considering a narrowband wave spectrum. That approach is accurate enough when the spectral broadness ... -
Direct Measurements of Vortex-Induced Vibrations on a Horizontal Flexible Cylinder in Water
(The American Society of Mechanical Engineers (ASME), 2024)This work presents experimental results on vortex-induced vibration (VIV) of a horizontal cylinder with 2.69 m in length, 21 mm in diameter, and a mass ratio equal to 3.9. The experiments were carried out in a towing tank, ... -
Dynamic Analysis of Three Alternative Mooring Systems for a Semi-Submersible Wind Turbine in Intermediate Water Depth
(The American Society of Mechanical Engineers (ASME), 2024)Three forms of the mooring system in 60 m water depth are proposed for semi-submersible with partially inclined columns (SPIC) concept floating wind turbine (FWT). One is a simple form with only catenary lines, and the ... -
Novel Exact Solution of Elastic Catenary and Applications on Floating Wind Turbine Mooring Systems
(The American Society of Mechanical Engineers (ASME), 2024)This research addresses the mathematical solution of the elastic catenary, a fundamental problem in offshore mooring engineering. A novel exact solution in a non-Lagrangian form is developed through rigorous mathematical ...