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Publications
Paper
Estimation of Discretization Errors in Viscous Flow Simulations Based on the RANS Equations: Wall-Resolved Versus Wall-Functions
6 Feb 2025
In the present paper, we focus on the simulation of viscous flows at high Reynolds numbers using the Reynolds averaged Navier–Stokes (RANS) ...
Paper
A Verification and Validation Study of RANS Based Roughness Models at Model and Full Scale Reynolds Numbers
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 ...
Paper
Effects of roughness on non-equilibrium turbulent boundary layers
28 May 2024
The effects of roughness were considered as part of a NATO Advanced Vehicle Technology effort titled ‘Non-Equilibrium Turbulent Boundary Layers at ...
Paper
An Experimental Study on Visualisation and Passive Control of Model Propeller Boundary Layers
20 Mar 2024
This paper examines the complications of a laminar propeller boundary layer during towing tank model testing and proposes a solution in the form of ...
Paper
A Numerical Study on Model Propeller Performance Prediction Including Transitional and Passively Controlled Boundary Layer Considerations
20 Mar 2024
Viscous flow simulations, utilising Computational Fluid Dynamics (CFD), have increasingly become the standard approach in the design and ...
Research report
Setting new standards for model propeller testing
20 Dec 2023
What if a small modification could dramatically enhance the accuracy, interpretability and reliability of model tests used to predict ship ...
Paper
Using validation metrics to assess RANS turbulence models performance at full scale Reynolds numbers
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 ...
Paper
Modelling of Laminar-to-Turbulent Flow Transition on a Marine Propeller Using a RANS Solver
15 Oct 2023
Traditionally, predicting propeller performance is based on model-scale experiments carried out in towing tanks or cavitation tunnels. These ...
Paper
The Resolved and Unresolved Issues and Phenomena in Numerical Modelling of Air Cavity Closure Using a Scale-Resolving Method
15 Oct 2023
The current International Maritime Organization (IMO) Greenhouse Gas (GHG) strategy for the shipping industry aims to reach net-zero GHG emissions ...
Paper
Comparison of RANS Turbulence Models for the Simulation of Smooth Wall Boundary-Layers in Pressure Gradients at Moderate and High Reynolds Numbers
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 ...
Paper
Attaining the Asymptotic Range in RANS Simulations
17 May 2023
In engineering simulations involving turbulent fluid flows, the Reynolds-averaged Navier-Stokes (RANS) equations are still the most common ...
Paper
On the Simulation of Turbulent Flows over Rough Walls Using the RANS Equations
16 Oct 2022
The simulation of turbulent flows over rough walls remains one of the big challenges for computational fluid dynamics, Patel [1998]. For this type ...
Paper
Submarine hydrodynamics for off-design conditions
28 Sep 2022
Traditionally, submarine hydrodynamic design has focussed mainly on requirements regarding operational range, powering performance and manoeuvring ...
Paper
On the Simulation of Statistically Unsteady Flows with the RANS Equations
11 Jul 2022
Many engineering applications are still based on the solution of the Reynolds-Averaged Navier-Stokes (RANS) equations that require the definition of ...
Paper
Assessment of Numerical and Modeling Errors of RANS-based Transition Models for Low-Reynolds Number 2-D Flows
26 Jun 2022
In this paper we report the outcome of selected workshops organized as part of the NATO Applied Vehicle Technology (AVT)-313 activity Incompressible ...
Paper
Broadband Trailing-Edge Noise Predictions using Incompressible Large Eddy Simulations
14 Jun 2022
Incompressible large eddy simulations of the flow over an airfoil at high Reynolds number and low Mach number have been performed, including ...
Paper
A Technique to Control the Decay of Freestream Turbulence for Transitional Flow Simulations
4 Apr 2022
The use of transition models in Reynolds-averaged Navier–Stokes solvers is usually accompanied by high values of the eddy viscosity at the inlet, ...
Paper
On the Simulation of Low Reynolds Number Flows using the RANS Equations with Eddy-Viscosity and Transition Models
3 Jan 2022
This paper presents the results obtained with an incompressible flow solver for the two-dimensional test cases proposed for the first AIAA CFD ...
Paper
Predicting Transition for the 6:1 Prolate Spheroid Using the RANS Equations
3 Jan 2022
The incorporation of the effects of laminar-to-turbulent transition in CFD has become a topic of growing importance, due to the inability of well ...
Paper
Experimental and Computational Study of 2D Smooth Wall Turbulent Boundary Layers in Pressure Gradient
3 Jan 2022
This paper describes a collaborative experimental and computational study of smooth wall boundary layers in a systematic family of favorable and ...
Paper
Computations of the BeVERLI Hill Three-dimensional Separating Flow Model Validation Cases
3 Jan 2022
The BeVERLI (Benchmark Validation Experiment for RANS/LES Investigations) Hill project aims at producing a detailed experimental database of ...
Paper
CFD Simulations and Experiments of a Submarine in Turn, Zigzag, and Surfacing Maneuvers
23 Dec 2021
We present simulations and experiments of the generic submarine Joubert BB2 performing standard turn, zigzag, and surfacing maneuvers in calm water ...
Paper
Submarine Hydrodynamics For Off-Design Conditions
2 Jun 2021
Traditionally, submarine hydrodynamic design has focussed mainly on requirements regarding operational range, powering performance and manoeuvring ...
Paper
On the Contribution of Roughness Effects to the Scaling of Ship Resistance
2 Jun 2021
Roughness effects are one of the main challenges of the prediction of ship resistance using traditional model tests and extrapolation procedures. ...
Paper
Coupling Two Correlation-Based Transition Models to the kSkL Eddy Viscosity Turbulence Model
31 Mar 2021
When dealing with flows at moderate Reynolds numbers, the laminar and transition regions are a key component of the flow solution. In applications ...
Paper
Assessing Numerical Aspects of Transitional Flow Simulations Using the RANS Equations
14 Jan 2021
This paper addresses the influence of the scheme used in the convective terms of turbulence and transition transport equations on the numerical ...
Paper
On the Numerical Behavior of RANS-Based Transition Models
1 May 2020
A comparison of several Reynolds-averaged Navier–Stokes (RANS) based transition models is presented. Four of the most widespread models are ...
Paper
Exploring the limits of RANS-VoF modelling for aircavity flows
16 Apr 2020
BACKGROUND: Air lubrication techniques have the potential to significantly reduce frictional drag, benefiting sustainable employability of ships. ...
Paper
Turbulence Decay Corrections for Transitional Flow Calculations
1 Oct 2019
Transitional flow calculations are becoming increasingly common due to the emergence of applications operating at low Reynolds numbers and the ...
Paper
Assessment of RANS Transition Models
30 Sep 2018
Many naval and aeronautical applications deal with flows which occur at Reynolds numbers that are typically larger than 107. Under these conditions ...
Paper
Viscous flow simulations at high Reynolds numbers without wall functions - Is y+≃1 enough for the near-wall cells?
15 Jul 2018
The Reynolds-Averaged Navier Stokes equations supplemented by eddy-viscosity models are still the most common mathematical model for the simulation ...
Paper
On the Turbulence Modelling for an Air Cavity Interface
3 Oct 2017
The use of air lubrication techniques can significantly reduce a ship’s fuel consumption. One of the most promising techniques applicable to ships ...
Paper
Modelling of the Plume of a Submerged Exhaust System
3 Oct 2017
The Royal Netherlands Navy (RNN) currently operates four diesel-electric Walrus class submarines. The submarines sail submerged on electric engines ...
Paper
On the Physical Mechanisms for the Numerical Modelling of Flows around Air Lubricated Ships
18 Sep 2016
Air lubrication techniques are very promising in reducing ship drag. It has been demonstrated that air cavity applications can realise propulsive ...
Paper
CFD simulations and experiments of a maneuvering generic submarine and prognosis for simulation of near surface operation
11 Sep 2016
This paper presents simulations and experiments of the generic submarine Joubert BB2 in self-propulsion and free running maneuvering conditions. The ...
Paper
Analysis of free surface anti-roll tank using URANS. Verification and validation
4 Sep 2016
To prevent excessive roll motion of ships operating in seas, damping systems are often required. Exterior systems can be used like, bilge keels or ...
Paper
Towards Accurate Computations of Active Stabiliser Fins, focusing on Dynamic Stall
13 Jun 2016
Steps towards accurate and efficient characterisation of the hydrodynamic behaviour of active stabiliser fins have been conducted using ...
Paper
Numerical Investigation of Dynamic Stall, with Application to Stabilizer Fins of Ships
28 Sep 2015
The objective of this current work is to simulate the flow conditions seen at model scale experiments, Re = 65,000 for moving airfoils, to ...
Paper
Numerical Study on Air Cavity Flows
28 Sep 2015
This work is focused on the numerical study of two problems: the drag reduction prediction by air cavities with known size and the free-surface ...
Magazine
In-depth analysis of anti-roll tanks using CFD simulations
21 Aug 2015
Reading time 3 minutes
In 2014, the behaviour of anti-roll tanks (ARTs) was studied at MARIN by using ReFRESCO CFD simulations to fully understand the working principles.
Paper
Analysis of U-Type Anti-Roll Tanks using URANS. Sensitivity and Validation
8 Jun 2014
The roll motion of ships operating in a seaway is often limiting operations. These limits could be due to, e.g. maximum acceleration, green water, ...
Paper
Influence on the numerical uncertainty of a generic submarine model by changing the wall-normal distribution of the wall-bounded grid cells
2 Sep 2013
MARIN is using Computational Fluid Dynamics (CFD) for engineering applications on daily practice. To establish the credibility of the results ...
Paper
On the Grid Sensitivity of the Wall Boundary Condition of the k-W Turbulence Model
27 Oct 2004
This paper presents a study on the k − ω turbulence model with regard to the numerical implementation of the ω boundary condition at a solid wall, ...