100 Result(s)
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Open AccessA Review of Ice Deformation and Breaking Under Flexural-Gravity Waves Induced by Moving Loads
Ice-breaking methods have become increasingly significant with the ongoing development of the polar regions. Among many ice-breaking methods, ice-breaking that utilizes a moving load is unique compared with th...
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Open AccessAn Overview of Coupled Lagrangian–Eulerian Methods for Ocean Engineering
Combining the strengths of Lagrangian and Eulerian descriptions, the coupled Lagrangian–Eulerian methods play an increasingly important role in various subjects. This work reviews their development and applica...
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Open AccessIntegrated System of Semi-submersible Offshore Wind Turbine Foundation and Porous Shells
A novel semi-submersible platform is proposed for 5 MW wind turbines. This concept focuses on an integrated system formed by combining porous shells with a semi-submersible platform. A coupled aerodynamic–hydr...
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Open AccessReview of Vibration Analysis and Structural Optimization Research for Rotating Blades
Blades are important parts of rotating machinery such as marine gas turbines and wind turbines, which are exposed to harsh environments during mechanical operations, including centrifugal loads, aerodynamic fo...
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Open AccessReview of Underwater Anechoic Coating Technology Under Hydrostatic Pressure
The underwater anechoic coating technology, which considers pressure resistance and low-frequency broadband sound absorption, has become a research hotspot in underwater acoustics and has received wide attenti...
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Open AccessConstruction High Precision Neural Network Proxy Model for Ship Hull Structure Design Based on Hybrid Datasets of Hydrodynamic Loads
In this work, we constructed a neural network proxy model (NNPM) to estimate the hydrodynamic resistance in the ship hull structure design process, which is based on the hydrodynamic load data obtained from bo...
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Open AccessApplication of Ultrasonic Cavitation in Ship and Marine Engineering
Biofouling on ships and offshore structures has always been a difficult problem to solve, which not only jeopardizes the structural strength but also brings great economic losses. Ultrasonic cavitation is expe...
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Open AccessOverview of Research Progress on Numerical Simulation Methods for Turbulent Flows Around Underwater Vehicles
In this paper, we present an overview of numerical simulation methods for the flow around typical underwater vehicles at high Reynolds numbers, which highlights the dominant flow structures in different region...
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Open AccessFrequency-Domain 3D Computer Program for Predicting Motions and Loads on a Ship in Regular Waves
The development of an in-house computer program for determining the motions and loads of advancing ships through sea waves in the frequency domain, is described in this paper. The code is based on the potentia...
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Open AccessTheoretical Investigation of Spherical Bubble Dynamics in High Mach Number Regimes
The compressibility of fluids has a profound influence on oscillating bubble dynamics, as characterized by the Mach number. However, current theoretical frameworks for bubbles, whether at the first or second o...
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Open AccessAnalysis of Wave-Induced Forces on a Floating Rectangular Box with Analytical and Numerical Approaches
A three-dimensional mathematical hydrodynamic model associated with surface wave radiation by a floating rectangular box-type structure due to heave, sway, and roll motions in finite water depth is investigate...
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Open AccessMaritime Energy Transition: Future Fuels and Future Emissions
The lifecycle greenhouse gas (GHG) emissions (Well-to-Wake) from maritime transport must be reduced by at least 50% in absolute values by 2050 to contribute to the ambitions of the Paris Agreement (2015). A tr...
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Open AccessReview of the IMO Initiatives for Ship Energy Efficiency and Their Implications
This paper presents a review of the different International Maritime Organization (IMO) initiatives to improve the ship energy efficiency of new and existing ships, which is considered one of the essential tas...
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Open AccessDesign and Optimization of an Integrated Power System of Solid Oxide Fuel Cell and Marine Low-Speed Dual-Fuel Engine
A combined system including a solid oxide fuel cell (SOFC) and an internal combustion engine (ICE) is proposed in this paper. First, a 0-D model of SOFC and a 1-D model of ICE are built as agent models. Second...
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Open AccessComparative Study of Numerical Methods for Predicting Wave-Induced Motions and Loads on a Semisubmersible
Numerical simulation tools based on potential-flow theory and/or Morison’s equation are widely used for predicting the hydrodynamic responses of floating offshore wind platforms. In general, these simplified a...
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Open AccessA Multi-Yield-Surface Plasticity State-Based Peridynamics Model and its Applications to Simulations of Ice-Structure Interactions
Due to complex mesoscopic and the distinct macroscopic evolution characteristics of ice, especially for its brittle-to-ductile transition in dynamic response, it is still a challenging task to build an accurat...
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Open AccessScale Effect of a Kappel Tip-Rake Propeller
In this paper, the scale effect of Kappel tip-rake propellers with different end plate designs was studied using computational fluid dynamics. Given the base size of the mesh and the appropriate numerical mode...
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Open AccessReview of Path-following Control Systems for Maritime Autonomous Surface Ships
A review presents the state-of-the-art path-following control systems for maritime autonomous surface ships, where the special focus is placed on the guidance subsystem and control subsystem. The path followin...
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Open AccessA Novel Ship Domain-oriented Parameter of Ship Collision Risk Considering the Ship Maneuverability and Encounter Situation
The identification of ship collision risks is an important element in maritime safety and management. The concept of the ship domain has also been studied and developed since it was proposed. Considering the e...
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Open AccessGreen-Naghdi Theory, Part B: Green-Naghdi Equations for Deep Water Waves
“Green — Naghdi Theory, Part A: Green — Naghdi (GN) Equations for Shallow Water Waves” have investigated the linear dispersion relations of high-level GN equations in shallow water. In this study, the GN equat...
