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Paper

CFD analysis of the full-scale resistance of an oil tanker in presence of a mud–water interface

Ocean Engineering

15 Feb 2024

The presence of mud layers on the bottom of ports and waterways can have negative effects on the hydrodynamic behaviour of marine vessels. This ...
cfd/simulation/desk studiescfdmanoeuvring and nautical studiesnautical operationsinfrastructurecfd development
Paper

Practical ship afterbody optimisation by multifidelity techniques

Ship Technology Research

21 Nov 2023

This paper discusses recently developed techniques for ship hull form optimization based on CFD computations, as are now applied in practice at ...
cfdhull form optimisationresistance and propulsionhydrodynamics
Paper

A method for early-stage design current loads determination on drill-ships

Ocean Engineering

1 Nov 2023

The increasing demand for offshore operations in deep water implies the necessity to predict station-keeping ability of offshore vessels since the ...
cfdstability, seakeeping and ocean engineeringdynamic positioningmanoeuvringnautical operationsocean energyoffshore operationsoffshore wind
Paper

Using validation metrics to assess RANS turbulence models performance at full scale Reynolds numbers

International Mechanical Engineering Congress & Exposition (IMECE 2023), New Orleans, Louisiana, USA

29 Oct 2023

One of the major advantages of Computational Fluid Dynamics (CFD) is the ability to simulate flows at full-scale Reynolds numbers, which for naval ...
verification and validationcfd developmentcfdcfd/simulation/desk studies
Paper

Modelling of Laminar-to-Turbulent Flow Transition on a Marine Propeller Using a RANS Solver

25th Numerical Towing Tank Symposium (NuTTS), Ericeira, Portugal

15 Oct 2023

Traditionally, predicting propeller performance is based on model-scale experiments carried out in towing tanks or cavitation tunnels. These ...
cfdresistance and propulsionpoweringpropeller and cavitationcfd/simulation/desk studies
Paper

The Resolved and Unresolved Issues and Phenomena in Numerical Modelling of Air Cavity Closure Using a Scale-Resolving Method

25th Numerical Towing Tank Symposium (NuTTS), Ericeira, Portugal

15 Oct 2023

The current International Maritime Organization (IMO) Greenhouse Gas (GHG) strategy for the shipping industry aims to reach net-zero GHG emissions ...
cfdresistance and propulsionpoweringcfd/simulation/desk studies
Paper

On the balance between robustness and accuracy in finite-volume codes

25th Numerical Towing Tank Symposium (NuTTS), Ericeira, Portugal

15 Oct 2023

Today, finite-volume codes used in the maritime industry can compute the flow around complicated geometries using unstructured, body-fitted ...
cfdcfd/simulation/desk studiescfd development
Paper

Simulation of a wave impact using ReFRESCO pressure-based compressible-incompressible flow solver

25th Numerical Towing Tank Symposium (NuTTS), Ericeira, Portugal

15 Oct 2023

ReFRESCO is a flow solver (Klaij et al., 2018) developed with maritime applications in mind. Therefore, in its original formulation, single and ...
waves, impacts and hydrostructuralcfdcfd/simulation/desk studiescfd development
Paper

Steering with wind propulsion

19th International Ship Stability Workshop, Istanbul, Turkey

11 Sep 2023

Although sizeable compared to other energy saving measures, the majority of present installations of wind propulsion now sailing are relatively ...
wind assisted ships waspwind propulsionmanoeuvringzero emissionoperationssafety
Paper

CFD Simulations of Two Wind Turbines Operating in Line

International Journal of Offshore and Polar Engineering

1 Sep 2023

In this study, we perform CFD simulations for the NTNU Blind Test 2 experiment, in which two turbines were placed in a closed-loop wind tunnel and ...
cfd/simulation/desk studiescfdfloating windfloating wind turbineoffshore windoffshore
Paper

Verification of a Pressure-Based Compressible Flow Solver

International Journal of Computational Fluid Dynamics

17 Aug 2023

This paper presents Solution Verification exercises with the pressure-based compressible flow solver ReFRESCO for five test cases available in the ...
cfd/simulation/desk studiescfdcfd development
Paper

Required test durations for converged short-term wave and impact extreme value statistics - Part 2: Deck box dataset

Marine Structures

1 Jul 2023

In the assessment of wave-in-deck loads for new and existing maritime structures typically model tests are carried out. To determine the most ...
wave measurementsseakeepingextreme conditionsoffshoreloads and responseseventsconcept basin, cb
Paper

Required test durations for converged short-term wave and impact extreme value statistics - Part 1: Ferry dataset

Marine Structures

1 Jul 2023

For the design of maritime structures in waves, the extreme values of responses such as motions and wave impact loads are required. Waves and ...
wave measurementsextreme conditionsseakeepingloads and responseseventsmodel testingsmb
Paper

Comparison of RANS Turbulence Models for the Simulation of Smooth Wall Boundary-Layers in Pressure Gradients at Moderate and High Reynolds Numbers

10th International Conference on Computational Methods in Marine Engineering (MARINE 2023), Madrid, Spain

26 Jun 2023

In this work, our focus is to assess the effect of the Reynolds number on the performance of six different RANS turbulence models in the simulation ...
cfd developmentcfdcfd/simulation/desk studies
Paper

Combining deep reinforcement learning and computational fluid dynamics for efficient navigation in turbulent flows

10th International Conference on Computational Methods in Marine Engineering (MARINE 2023), Madrid, Spain

26 Jun 2023

Autonomous underwater vehicles (AUVs) face significant challenges when navigating in turbulent environments, particularly when carrying out tasks ...
data sciencecfdmanoeuvringautonomy and decision support