Journal of Offshore Mechanics and Arctic Engineering: Recent submissions
Now showing items 21-40 of 2075
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The SPAR Model: A New Paradigm for Multivariate Extremes: Application to Joint Distributions of Metocean Variables
(The American Society of Mechanical Engineers (ASME), 2024)This paper presents the application of a new multivariate extreme value model for the estimation of metocean variables. The model requires fewer assumptions about the forms of the marginal distributions and dependence ... -
Experimental Investigation of Nonlinear Forces on a Monopile Offshore Wind Turbine Foundation Under Directionally Spread Waves
(The American Society of Mechanical Engineers (ASME), 2024)Accurate prediction of nonlinear wave loading is crucial for designing marine and offshore structures, yet it remains a challenging task. Prior research has primarily focused on unidirectional extreme sea states, revealing ... -
Digitalization of Anchor Handling Tug Supply Vessels: Enhancing Efficiency and Safety in Offshore Operations
(The American Society of Mechanical Engineers (ASME), 2024)Global demand for safety and sustainable offshore operations has led to great and dynamic changes in the maritime and offshore industry in recent years. This has made the industry to witness a rapid transformation in recent ... -
An Attention-Based Deep Learning Model for Phase-Resolved Wave Prediction
(The American Society of Mechanical Engineers (ASME), 2024)Phase-resolved wave prediction capability, even if only over two wave periods in advance, is of value for optimal control of wave energy converters, resulting in a dramatic increase in power generation efficiency. Previous ... -
Interference Effects on Flow-Induced Oscillation of Three Tandem Cylinders With Passive Turbulence Control
(The American Society of Mechanical Engineers (ASME), 2024)The characteristics of flow-induced oscillation (FIO) of multiple tandem cylinders with passive turbulence control (PTC) change due to interference between PTC cylinders. Identifying positive and negative interferences is ... -
An Improved Direct Forcing Immersed Boundary Method With Integrated Mooring Algorithm for Floating Offshore Wind Turbines
(The American Society of Mechanical Engineers (ASME), 2024)An upgraded direct forcing immersed boundary method is implemented in the open-source hydrodynamic framework REEF3D::CFD for simulating the six-degrees-of-freedom motions of a floating offshore wind turbine (FOWT) based ... -
A Deep Generative Model for Multi-Ship Trajectory Forecasting With Interaction Modeling
(The American Society of Mechanical Engineers (ASME), 2024)Multi-agent modeling is a challenging issue in intelligent systems, which is further compounded by heavy and complex traffic in maritime contexts. Trajectory forecasting can enhance operation safety. Nonetheless, effectively ... -
Prediction for Global Whipping Responses of a Large Cruise Ship Under Unprecedented Sea Conditions Using an LSTM-Based Encoder–Decoder Model
(The American Society of Mechanical Engineers (ASME), 2024)Global whipping responses contribute to a significant increase in vertical bending moments (VBM), making their accurate prediction crucial for ship safety. In this study, a long short-term memory (LSTM)-based encoder–decoder ... -
Motion and Mooring Load Responses of a Novel 12-MW Semi-Submersible Floating Wind Turbine: An Experimental Study
(The American Society of Mechanical Engineers (ASME), 2024)Due to the complexity of the integrated Floating Wind Turbine (FWT) system, obtaining reliable results necessitates extensive experiments. This paper conducts a comprehensive study on the motion performance and mooring ... -
On the Use of Dimension-Reduction Methods in Fatigue Analysis of Flexible Risers Subjected to Bimodal Seas
(The American Society of Mechanical Engineers (ASME), 2024)Fatigue analyses of flexible pipes through the application of long-term response statistics, when considering bimodal seas, are particularly challenging due to the excessive computational costs involved, since they require, ... -
Investigation of Sensitivity Analysis of Crucial Dynamic Characteristics of Offshore Wind Turbine Utilizing Polynomial Chaos Expansion
(The American Society of Mechanical Engineers (ASME), 2025)The probabilistic-based design method is gaining attention in designing offshore wind turbines (OWTs) owing to its economic design. However, the numerous uncertain design variables and the tiny target annual failure ... -
A Numerical Investigation on the Sinkage of the Deep-Sea Mining Vehicle Based on a Modified Constitutive Soil Model
(The American Society of Mechanical Engineers (ASME), 2024)The seabed soil of the polymetallic nodule mining area is relatively thin, soft, and fluid, which will produce large deformation under external disturbance. Its undrained shear strength is related to strain-rate and ... -
Methodology for Real-Time Torque Estimation in a Ship Propulsion Digital Twin
(The American Society of Mechanical Engineers (ASME), 2024)The safe operation of ships requires the condition of propulsion components to be maintained. Digital twins are a promising alternative for intelligent monitoring of these complex systems. Digital twins require models which ... -
A Fully Enclosed Wave Energy Converter and Effects of Cable-Based Power Take-Off System on Power Absorption
(The American Society of Mechanical Engineers (ASME), 2024)Existing wave energy converters (WECs) are limited by high unit energy costs, narrow bandwidths, and vulnerability to seawater corrosion, making it difficult for wave energy to compete with solar and wind energy. This paper ... -
Full-Scale Testing of Corrosion Resistant Alloy-Mechanically Lined Pipes for Submarine Pipelines
(The American Society of Mechanical Engineers (ASME), 2024)This study evaluates the fatigue performance of corrosion-resistant alloy (CRA)-mechanically lined pipes, focusing on the critical triple point, where the CRA liner, weld overlay, and backing steel pipe intersect. Through ... -
A Data-Driven Approach for Forecasting Current Direction With a Hybrid Model of Empirical Mode Decomposition and Warped Gaussian Process
(The American Society of Mechanical Engineers (ASME), 2024)Ocean current forecasting is essential for tidal renewable energy generation and operation. However, forecasting the current direction at multiple points along the water depth are still lacking of comprehensive studies. ... -
Study of Evolving Young Wind Waves Under Steady Wind Forcing
(The American Society of Mechanical Engineers (ASME), 2025)In this work, a comprehensive experiment is conducted to investigate the spatio-temporal variability of young wind waves under steady wind forcing. The experimental setup included a wave tank equipped with a wind blower ... -
A Study on the Fracture Toughness Evaluation Considering Material Tensile Characteristic for Cryogenic Steel
(The American Society of Mechanical Engineers (ASME), 2024)ISO 12135, a representative standard for the evaluation of fracture toughness, was revised in 2021. In the previous standard published in 2016, only yield strength was reflected for material property in fracture toughness ... -
On the Performance of a Data-Driven Backward Compatible Physics-Informed Neural Network for Prediction of Flow Past a Cylinder
(The American Society of Mechanical Engineers (ASME), 2024)This paper discusses a physics-informed surrogate model aimed at reconstructing the flow field from sparse datasets under a limited computational budget. A benchmark problem of 2D unsteady laminar flow past a cylinder is ... -
Comparative Study of Machine Learning Methods for State of Health Estimation of Maritime Battery Systems
(The American Society of Mechanical Engineers (ASME), 2024)This paper tests two data-driven approaches for predicting the state of health (SOH) of lithium-ion-batteries (LIBs) for the purpose of monitoring maritime battery systems. First, non-sequential approaches are investigated ...