PaperTopTier model tests and simulations on parametric roll behaviour of two large container vessels
International Conference on the Stability and Safety of Ships and Ocean Vehicles, Wuxi, China
14 Oct 2024
The TopTier joint industry project addresses cargo securing safety on container ships. The project has 40 participants; it started at the end of ...
seakeepingtime-domain simulationsoperations and human factors
PaperGeneral reinforcement learning control for AUV manoeuvring in turbulent flows
Ocean Engineering
1 Oct 2024
Turbulence induces unsteady loads on autonomous underwater vehicles (AUVs) and may present a significant navigation challenge. This leads to ...
cfd/simulation/desk studiesmanoeuvring and nautical studiesdata sciencedynamic positioninglife at seasimulatorsearly innovations and solutions
PaperThe roles of individual force components on the capture mechanism of bubbles around a vortical flow
Applied Ocean Research
1 Oct 2024
The mechanism of bubble capture in a vortical flow is investigated using a Lagrangian bubble tracking method. The motion of bubbles and the factors ...
resistance and propulsioncfd/simulation/desk studiespropeller and cavitationtransport and shippingzero emission
PaperNon-equilibrium turbulent boundary layers in high reynolds number flow at incompressible conditions: effects of streamline curvature and three dimensionality
Journal of Turbulence
28 Aug 2024
The physics and computational prediction of turbulent boundary layer flow over axisymmetric and three-dimensional bodies are examined. Three cases ...
cfdcfd/simulation/desk studies
PaperA procedure for estimating mitigation effect of air injection on ship underwater radiated noise
Inter-Noise, Nantes, France
25 Aug 2024
Increasing evidence exists that underwater radiated noise from ships has a negative impact on marine ecosystems. This has led to initiatives aimed ...
noise and vibrationresistance and propulsionpropeller and cavitationauthorities and regulatorscfd/simulation/desk studies
PaperOn the physical structure, modelling and computation-based prediction of two-dimensional, smooth-wall turbulent boundary layers subjected to streamwise pressure gradients
Journal of Turbulence
19 Aug 2024
This paper reports on the recent NATO Advanced Vehicle Technology (AVT) effort associated with smooth-wall two-dimensional turbulent boundary layer ...
cfdcfd/simulation/desk studies
PaperA Laboratory Study of the Effects of Size, Density, and Shape on the Wave-Induced Transport of Floating Marine Litter
Journal of Geophysical Research: Oceans
11 Jul 2024
Floating marine litter is transported by several mechanisms, including surface waves. In studies of marine litter transport, the wave-induced drift ...
life at seamodel testingwaves, impacts and hydrostructural
PaperReynolds Effects on Submarine Stern Plane Efficiency and Stall using Wall-Resolved CFD
35th Symposium on Naval Hydrodynamics, Nantes, France
8 Jul 2024
This paper studies the forces and moments and flow around the well-known BB2 generic submarine hull form, in manoeuvring conditions at Reynolds ...
manoeuvringcfdmanoeuvring and nautical studiescfd/simulation/desk studies
PaperA Verification and Validation Study of RANS Based Roughness Models at Model and Full Scale Reynolds Numbers
35th Symposium on Naval Hydrodynamics, Nantes, France
8 Jul 2024
Most flows that occur in naval applications exhibit large Reynolds numbers (Re > 107), which means that roughness elements need to be extremely ...
cfdcfd/simulation/desk studiespoweringresistance and propulsion
PaperEvaluation of Boundary Conditions for Realistic Ship Airwakes Using a GPU-Accelerated Lattice-Boltzmann Solver Compared to High-Fidelity RANS–LES and Experiments
35th Symposium on Naval Hydrodynamics, Nantes, France
8 Jul 2024
Recent studies have shown that the mid-fidelity computationally-efficient lattice-Boltzmann method (LBM) may be a good alternative to traditional ...
cfdcfd/simulation/desk studiesdefence
PaperNuclei content effects on cavitation inception noise predictions using viscous CFD and Lagrangian bubble tracking
35th Symposium on Naval Hydrodynamics, Nantes, France
8 Jul 2024
Cavitation inception noise, particularly for tip vortex cavitaiton, forms an important part of ship acoustic signature that affects detectibility ...
noise and vibrationresistance and propulsioncfdcfd/simulation/desk studiespropeller and cavitation
PaperComparison of full-scale PIV measurements with CFD simulations of a ship propeller inflow
21st International Symposium on Applications of Laser and Imaging Techniques to Fluid Mechanics, Lisbon, Portugal
8 Jul 2024
Flow around the ship's hull and specifically the inflow conditions of the propeller(s) critically influence the propeller efficiency and cavitation ...
resistance and propulsionmeasurements and controlcfdpoweringcfd/simulation/desk studiesmonitoring
PaperNumerical and Experimental Investigation of the Tip Vortex Flow Induced by an Elliptical Foil
35th Symposium on Naval Hydrodynamics, Nantes, France
8 Jul 2024
This collaborative paper within the AVT-320 joint research activity compares Computational Fluid Dynamics (CFD) results from diverse methods across ...
cfdpropeller and cavitation
PaperExperimental Investigation of the Frequency Domain Seakeeping Behavior of a Surfaced Underwater Vehicle
35th Symposium on Naval Hydrodynamics, Nantes, France
8 Jul 2024
This paper proposes a study of the seakeeping behavior of a surfaced Underwater Vehicle (UV) in regular head seas. This investigation exposed a ...
stability, seakeeping and ocean engineeringseakeepingmeasurements and controldefencemodel testing
PaperPerforming and Documenting Flow Simulations and Experiments of Roll-Decay Tests and the Comparison of their Results
35th Symposium on Naval Hydrodynamics, Nantes, France
8 Jul 2024
Computational fluid dynamics (CFD) simulations of rolldecay tests are performed for roll amplitudes in the range 2o < ϕa < 20o of the KRISO ...
manoeuvring and nautical studiesstability, seakeeping and ocean engineeringcfd/simulation/desk studiescfdmanoeuvringseakeepingmodel testing