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Auke van der Ploeg

CFD Researcher

Research & Development

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Expertise areas
Publications
Paper
Anderson Acceleration for Maritime Applications

11 Oct 2021

In general, most of the computational effort required to do numerical simulations for maritime applications is spent to solve systems of non-linear ...
Paper
Anderson-Accelerated Convergence for Incompressible Navier-StokesEquations

30 Sep 2019

We consider iterative solvers for the systems of non-linear equations that need to be solved to compute incompressible flows. To ensure that the ...
Paper
Improving an Already Optimized Ship by Making its Stern Asymmetric

14 May 2018

A container ship with a large area propeller is optimized for minimal power and maximum quality of the inflow to the propeller. Both object ...
Paper
Optimization of a ship with a large diameter propeller

3 Oct 2016

From several studies in the past it has been demonstrated that the fuel consumption of a ship can be decreased by enlarging the propeller and ...
Paper
Trim wedge optimization with viscous free surface computations

4 Sep 2016

Today, varying fuel prices and high competition in the maritime transport sector cause that shipyards continuously have to improve the design of ...
Paper
Optimization of ships in shallow water with viscous flow computations and surrogate modeling

4 Sep 2016

Shallow water effects change the flow around a ship significantly which can affect the optimum design of the hull. This paper describes a study into ...
Paper
Optimization of the STREAMLINE tanker using RANS/FS computations

30 Sep 2014

In the 7th-Framework EU project 'STREAMLINE' the optimization of the aft part of the hull form and propeller of a chemical tanker that will be ...
Paper
Towards Large-Eddy Simulation Of Complex Flows In Maritime Applications

22 Jul 2014

Turbulent flows in maritime applications usually contain a wide range of length and time scales, especially for high Reynolds numbers. Therefore, it ...
Paper
Optimization of a Chemical Tanker with Free-surface Viscous Flow Computations

20 Oct 2013

This paper discusses a procedure to optimize ship hull forms for minimum required power and best wake field quality, based on CFD computations of ...
Magazine
Improved hull optimisation using PARNASSOS Explorer

30 Aug 2013

Reading time 6 minutes

MARIN's inhouse RANS optimisation tool PARNASSOS Explorer is helping the industry discover more about the optimal hull form in order to improve ...
Paper
Optimization of a Chemical Tanker and Propeller with CFD

29 May 2013

In the 7 th -Framework EU project “STREAMLINE” one work package was entirely devoted to the optimization of state-of-the-art propulsion. The hull ...
Paper
Real-time computation of interactive waves using the GPU

7 Oct 2012

In this paper we present how a very efficient iterative solver can be combined with a very efficient implementation on the graphical processing unit ...
Paper
On novel simulation methods for complex flows in maritime applications

7 Oct 2012

A novel aspect of our research will be to implement the regularization model on unstructured grids. The symmetry preserving discretization and ...
Paper
Object Functions for Optimizing a Ship’s Aft Body

16 Apr 2012

The choice of object functions is of crucial importance in hull form optimization projects. In this paper we consider two object functions, the ...
Magazine
CFD facilitates better understanding of scale effects

16 Dec 2011

Reading time 6 minutes

Ship resistance and propulsion are principal factors affecting the fuel efficiency of maritime transport. To be able to accurately predict a ship's ...
Paper
A Comparison of Several Strategies to Optimize a Ship's Aft Body

30 Nov 2011

This paper describes a procedure to optimize ship hull forms, based on double body viscous flow computations with PARNASSOS. A flexible and ...
Paper
An Exploratory Study on the Working Principles of Energy Saving Devices (ESDs)

10 Oct 2011

A new Joint Industry Project (JIP) has been initiatedrecently by MARIN, called ESD-JILI (??), lookinginto the working principles and scale effects ...
Paper
Prediction Of The Transom Flow Regime With Viscous Free Surface Computations

30 Sep 2011

A steady free-surface fitting RANS method is used to accurately and efficiently compute the flow near a ship‟s transom. The chosen block topology is ...
Paper
The influence of the wake scale effect on the prediction of hull pressures due to cavitating propellers

15 Jun 2011

In this paper, the scale effect on the wake field of ship models is shown to be an important cause of prediction inaccuracies of hull pressure ...
Paper
A Comparison of Strategies for the Optimization of a Ship’s Aft Body

2 May 2011

This paper describes a procedure to optimize ship hull forms based on double body viscous flow computations with a RANS-solver. A flexible and ...
Paper
Trim wedge optimization using RANS/FS

22 Mar 2011

It is well-known that even for large displacement ships the application of a trim wedge can reduce the ship resistance by several per cent. At ...
Paper
Free-Surface Viscous Flow Solution Methods for Ship Hydrodynamics

12 Feb 2011

0
The simulationof viscousfree-surface water flow is a subject that has reached a certain maturity and is nowadays used in industrial applications, ...
Paper
Viscous free surface flow computations for self-propulsion conditions using PARNASSOS

8 Dec 2010

This paper presents results of computations for the 2010 CFD workshop in Gothenburg. It briefly describes the RANS method used, the particular ...
Paper
Computation of Scale Effects in Free-Surface Flows near a Ship’s Transom

10 Oct 2010

In the European project VIRTUE, an EC-funded project under the 6th Framework program, several participants have cooperated in carrying out research ...
Paper
CFD-Based Optimization for Minimal Power and Wake Field Quality

19 Sep 2010

This paper discusses a procedure to optimize ship hull forms for minimum required power and best wake field quality, based on CFD computations of ...
Paper
Multi-objective Optimization of a Tanker Afterbody using PARNASSOS

4 Oct 2009

For Resistance and Propulsion, significant improvements were made in the quality of resistance and wave making computations and in the computation ...
Magazine
VIRTUE boosts the role of CFD in ship hydrodynamics

12 Aug 2009

Reading time 6 minutes

Ship resistance and propulsion are fundamental factors in the fuel efficiency of maritime transport. Modern computational techniques allow further ...
Paper
COMPUTATION OF FREE-SURFACE VISCOUS FLOWS AT MODEL AND FULL SCALE -- A COMPARISON OF TWO DIFFERENT APPROACHES

5 Oct 2008

This paper discusses results of a workshop on freesurface viscous flow and scale effects. Participants were asked to submit computations of the ...
Paper
Towards a CFD-based prediction of ship performance - progress in predicting full-scale resistance and scale effects

26 Mar 2008

This paper discusses scale effects on the viscous and wave resistance of ships, as found from CFD computations; and compares these with the usual ...
Paper
Computation of transom-stern flows using a steady free-surface fitting RANS method

5 Aug 2007

This paper discusses a detailed computational study of the flow off a 2D transom stern. The steady RANS solver PARNASSOS is used, using a ...
Paper
Accuracy of viscous resistance computations for ships including free surface effects

5 Jun 2007

The European 6th-framework project VIRTUE aims at advancing the use of CFD in ship design. Workpackage 1 of this project considers the prediction of ...
Paper
Extending the benefit of CFD tools in ship design and performance prediction

4 Oct 2006

The European 6th -framework project VIRTUE aims at advancing the use of CFD in ship design. The paper addresses a central subject in the workpackage ...
Paper
Free-surface viscous flow computations for KCS and 5415 models using the PARNASSOS code

1 Mar 2005

This paper briefly describes the RANS method used in the computations by MARIN and IST, and the particular treatment of the free surface boundary ...
Paper
COMPUTATION OF FREE-SURFACE VISCOUS FLOWS AT MODEL AND FULL SCALE BY A STEADY ITERATIVE APPROACH

8 Aug 2004

This paper describes progress in the development of a method to compute viscous flow with free surface around a ship hull. The method solves the ...
Thesis
Preconditioning for sparse matrices with applications

4 Feb 1994

Mathematical models play an ever increasing role in the development of science and technology, as they offer the possibility to simulate, understand ...

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