Expert photo

Bas Buchner

President

Directie

Send Bas Buchner a message

Publications
Paper
Non-Linear Wave Run-Up Along the Side of Sailing Ships Causing Green Water on Deck: Experiments and Deterministic Calculation

Aug 1, 2020

Experiments with a flat plate in oblique waves at different speeds, wave conditions, headings and drift speed were done to evaluate non-linear wave ...
Magazine
Better Ships, blue Oceans!

Dec 15, 2017

Reading time 9 minutes

The next few years are essential for the future of the maritime sector and MARIN. We are facing the challenge of clean (zero emission) transport ...
Magazine
World's deepest TLP becomes MARIN's 9,000th test model!

Aug 26, 2010

Reading time 3 minutes

In Spring 2010, the world deepest TLP (5,187 ft) was tested at MARIN for Chevron U.S.A. Inc. and FloaTEC. The 'Big Foot' TLP represents MARIN's ...
Paper
Pilot Model Tests on the ‘Green Water Concept’ for Wave Energy Conversion with Model Scale Power Take Off Modelling

Jun 1, 2010

This paper presents the pilot model tests on the ‘Green Water Concept’ for wave energy conversion. These tests also included the initial modelling ...
Paper
Model Tests and Simulations on a Wave Energy Converter Based on Inverse Offshore Engineering

May 1, 2010

This paper presents the initial simulations and model tests into the 'Green Water Concept' for wave energy conversion. Instead of reducing the ...
Paper
Simulations and Model Testing on a Wave Engergy Converter based on Inverse Offshore Engineering

Jan 1, 2010

This paper presents the initial simulations and model tests into the 'Green Water Concept' for wave energy conversion. Instead of reducing the ...
Magazine
New Renewable ENergy Team (RENT) launches

Aug 12, 2009

Reading time 3 minutes

MARIN has recently started a special Renewable ENergy Team (RENT) aiming to assist clients interested in the offshore renewable energy field.
Magazine
Green energy from green water

Aug 12, 2009

Reading time 6 minutes

Wave energy represents a significant untapped energy source. As Professor Jo Hermans from the University of Leiden says: 'Worldwide the economically ...
Paper
Evaluating the loading and structural response of an offshore platform using integrated large and small scale testing combined with diffraction and finite element

Jun 1, 2009

Evaluating the loading and structural response of an offshore platform using integrated large and small scale testing combined with diffraction and ...
Paper
‘Inverse’ Concept: Wave Energy Generation by Motion and Green Water Maximisation

Jun 1, 2009

This paper presents the initial investigations into the ‘Inverse’ concept for wave energy conversion, based on the maximisation of motions and green ...
Paper
Wave Slamming on External Turrets of FPSOs

Jun 1, 2009

The paper discussed the possible slamming loads on the underside of the (chaintable of) external turret moored F(P)SOs. For this problem of turret ...
Magazine
Multiple scales give maximum insight

Apr 24, 2009

Reading time 6 minutes

In the process of evaluating an offshore structure during its design or while in operation, model tests, simulations and offshore (full-scale) ...
Magazine
Port of Gijón extension project gets the MARIN touch

Jan 29, 2009

Reading time 6 minutes

Gijón Port Authority (APG) is carrying out a large extension to the port, including a new basin seawards of the present port facilities. But the ...
Paper
Current Modeling Experience in an Offshore Basin

Jun 15, 2008

A reliable current simulation is vital to achieve the objectives of model testing. In the present paper the development and testing of the current ...
Magazine
Offshore engineers enthusiastic about applied hydrodynamics course

Apr 1, 2008

Reading time 3 minutes

In the last 12 months almost 100 people have followed MARIN's wellknown Applied Offshore Hydrodynamics Course. In addition to the traditional spring ...
Magazine
MARIN and OCEANICA start partnership

Apr 1, 2008

Reading time 2 minutes

On September 17, 2007 MARIN President Arne Hubregtse and OCEÂNICA Director Marcos Cueva signed an agreement which now makes OCEÂNICA MARIN's ...
Paper
The Spatial Analyis of an Extreme Wave in a Model Basin

Jun 1, 2007

As a pilot study into the understanding of the occurrence of extreme waves, the spatial development of an extreme wave (Ac/Hs=1.59) in a model basin ...
Paper
Extreme Wave Effects on Deepwater Floating Structures

May 1, 2007

Extreme waves can lead to damage to floating offshore structure as a result of airgap problems, greenwater on the deck or slamming to the hull. As ...
Magazine
Extreme waves in focus

Apr 1, 2007

Reading time 9 minutes

Hurricanes Ivan, Katrina and Rita in the Gulf of Mexico confirmed the importance of extreme waves for all types of offshore structures. They can ...
Magazine
Arjan Voogt, MARIN's new man in Houston

Apr 1, 2007

Reading time 3 minutes

Last year, with Dr Johan Wichers retirement approaching, MARIN re-evaluated its services in the Houston-market and asked Arjan Voogt to take up the ...
Magazine
A new way of sharing hydrodynamic software

Apr 1, 2007

Reading time 6 minutes

Usually, hydrodynamic software is licensed for a significant amount of money, together with an additional annual maintenance and support fee. But ...
Magazine
Where do we go from here?

Feb 1, 2007

Reading time 6 minutes

Since the beginning of the offshore industry MARIN's research, tool development and Joint Industry Projects, have initiated and followed the trends ...
Paper
The Motions of a Ship on a Sloped Seabed

Jun 1, 2006

In standard diffraction theory it is assumed that the water depth is constant and that the seabed is infinitely large. To account for a local ...
Magazine
UMS: MARIN's special underwater eye

Apr 1, 2006

Reading time 3 minutes

For areas with an overall benign environment but with occasional extreme conditions, disconnectable turret buoy systems are a good option to moor ...
Magazine
West of Africa FPSOs: a straight course to a reliable mooring

Apr 1, 2006

Reading time 3 minutes

Last year, two major West of Africa FPSO projects focused on the same two issues: a safe journey to the field and a reliable mooring once arrived ...
Magazine
JIPs focus on Offshore LNG

Apr 1, 2006

Reading time 3 minutes

With the development of offshore LNG terminals having the full attention of the offshore industry, MARIN too, is keen to keep abreast of ...
Paper
Viscous Damping of Vessels Moored in Close Proximity of Another Object

Jun 19, 2005

The focus of the hydrodynamic research has been on deep water applications during the last decade. Recent experience with mooring in close proximity ...
Paper
A Volume-of-Fluid based simulation method for wave impact problems

Jun 10, 2005

In this paper, some aspects of water impact and green water loading are considered by numerically investigating a dambreak problem and water entry ...
Magazine
Tug behaviour in waves

Apr 1, 2005

Reading time 6 minutes

With the uptime levels of new offshore terminals now expected to be nearly 100%, there has been plenty of research into dedicated mooring and ...
Paper
Simulation of the Dynamic Motions of Complex Sub-Sea structures in the Splash Zone During Deepwater Installations

Jan 1, 2005

Existing simulation methods are not able to determine in detail the wave loads on and the motions of a complex subsea structure when it is passing ...
Paper
The Behaviour of Tugs in Waves Assisting LNG Carriers During Berthing Along Offshore LNG Terminals

Jan 1, 2005

For future offshore LNG terminals tugs are planned to assist LNG carriers during berthing and offloading operations. A model test study was carried ...
Paper
The Numerical Simulation of Green Water Loading Including Vessel Motions and the Incoming Wave Field

Jan 1, 2005

This paper presents results from simulation of green water loading including vessel motions. The simulation is performed through a domain ...
Magazine
Development of new wave impact load tool

Aug 1, 2004

Reading time 3 minutes

During the FPSO week held in Singapore in early April the new ComFLOW-2 project officially kicked off. With a budget of around E1.5m, this JIP is ...
Magazine
SAFE-FLOW destined to change future design

Aug 1, 2004

Reading time 6 minutes

Commenting on the successfull completion of the SAFE-FLOW project, Joaqu’n L—pez-Cortijo of IZAR FENE shipyards, concluded: ÒThese results will ...
Paper
The Numerical Simulation of LNG Sloshing with an Improved Volume Of Fluid Method

Jun 1, 2004

With the trend towards offshore LNG production and offloading, sloshing of LNG in partially filled tanks has become an important research subject ...
Paper
Wave Run Up as Important Hydrodynamic Issue for Gravity Based Structures

Jun 1, 2004

Gravity Based Structures (GBS) are now seriously considered as LNG import terminal. When the environment of wind and waves is strongly directional, ...
Paper
Low Frequency Motions of LNG carriers Moored in Shallow Water

Jun 1, 2004

With the LNG market booming, the need for reliable and safe means of transferring LNG from a producing, floating facility to an LNG carrier and from ...
Paper
Prediction of Wave Impact Loads on Ship-type Offshore Structures in Steep Fronted Waves

May 23, 2004

Steep fronted waves can induce extremely large impact pressures on the hull of moored ship-type offshore structures. Several incidents confirmed ...
Paper
The Interaction Effects of Mooring in close Proximity of Other Structures

May 23, 2004

Two typical close proximity situations are side-by-side mooring and Gravity Based Structure mooring. In these situations strong interaction effects ...
Paper
Numerical Prediction of Wave Loads on Subsea Structures in the Splash Zone

May 23, 2004

Existing simulation methods are not able to determine in detail the wave loads on a complex sub-sea structure when it is passing through the splash ...
Paper
Hydrodynamics aspects of Gravity Based Structures in shallow water

May 1, 2004

The concrete Gravity Based Structure (GBS) is an attractive concept for shallow water oil and gas developments. The present paper discusses 3 ...
Paper
Wave Impacts due to Steep Fronted Waves

Jan 1, 2004

It is the question whether 'Rogue waves' can only be identified and characterized by their extreme heights. The results presented in this abstract ...
Magazine
MARIN focuses on new offshore LNG concepts

Dec 1, 2003

Reading time 9 minutes

Liquid Natural Gas (LNG) is becoming an increasingly important energy source. Floating LNG production on LNG FPSOs is considered to be a realistic ...
Magazine
California Dreamin' over first floating LNG terminal

Dec 1, 2003

Reading time 2 minutes

BHP Billiton has filed an application under the Deepwater Ports Act with the US Coast Guard and Maritime Administration along with an application ...
Paper
A New Simulation Method for the Installation of Subsea Structures from the Splash Zone to the Ultra Deep

Nov 1, 2003

Existing simulation methods are not able to determine in detail the wave loads on a complex subsea structure when it is passing through the splash ...
Paper
Design Aspects of Green Water Loading on FPSOs

Jun 1, 2003

Green water is a significant problem for floating ship-type offshore structures, which needs to be assessed in the early design of the structure. ...
Magazine
10th FPSO JIP Week & FPSO Research Forum proves a Spanish success

Apr 1, 2003

Reading time 3 minutes

Report highlights the 10th JIP Week where more than 100 people, representing 35 different companies, in the offshore industry gathered.
Magazine
MARIN focus on SHELL's offshore LNG developments

Apr 1, 2003

Reading time 8 minutes

As loading and offloading now more often take place in an offshore environment rather than ashore in a harbour, and as natural gas becomes an ...
Thesis
Green Water on Ship-type Offshore Structures

Oct 31, 2002

In heavy storms, the waves and ship motions can become so large that water flows onto the deck of a ship. This problem is generally known as ‘green ...
Paper
Green Water Evaluation for FPSOs in the Gulf of Mexico

May 1, 2002

Estimation of green water occurrence and the associated loading on exposed structures is an important design consideration for FPSOs [Floating ...
Magazine
MARIN aims to play an important role in the offshore industry

Apr 1, 2002

Reading time 6 minutes

2001 saw MARIN getting increasingly involved in the offshore industry. Bas Bucher, Henk van den Boom and Jos van Doorn explain the increasing role ...
Magazine
New TLD concept tackles harsh environments

Apr 1, 2002

Reading time 3 minutes

A current drive to produce oil in deeper and deeper waters has pushed many oil companies to look into new technologies and to lower costs for their ...
Magazine
Initiatives flow from Lisbon FPSO JIP Week

Apr 1, 2002

Reading time 6 minutes

As usual the FPSO JIP week proved invaluable as a forum whereby leading industry members in the field of floating production can get together, ...
Paper
Important Environmental Modelling Aspects for Ultra Deep Water Model Tests

Oct 1, 2001

Model testing for ultra deep water projects requires special attention to the modelling of waterdepth, wind, waves and current. Due to the large ...
Paper
Numerical Multiple-body Simulations of Side-by-side Mooring to an FPSO

Jun 17, 2001

A numerical time domain simulation model has been developed for the prediction of the hydrodynamic response of an LNG FPSO with an alongside moored ...
Paper
A Numerical Study on Wave Run Up on an FPSO Bow

Jun 1, 2001

In this paper results are presented of numerical simulations of a wedge that penetrates the water surface. An extensive test series was carried out ...
Magazine
Offshore engineers' numerical toolbox

Apr 1, 2001

Reading time 3 minutes

MARIN's suite of offshore simulation programs has become a real numerical 'toolbox' with 'hammers and screwdrivers' for the everyday problems, and ...
Magazine
Deepwater exploration and production solutions

Apr 1, 2001

Reading time 5 minutes

Since the opening of the new Offshore Basin in July 2000, the offshore industry has shown overwhelming interest in its unique wind, wave and current ...
Magazine
JIPs 'Offloading Operability' and 'FPSO Roll'

Apr 1, 2001

Reading time 3 minutes

Stimulated by its industry contacts, MARIN has started two new JIP initiatives: 'Offloading Operability' (offloading from FPSOs) and 'FPSO Roll' ...
Paper
Green Water Susceptibility of North Sea FPSO/FSUs

Dec 1, 2000

The UK Health & Safety Executive recently undertook a study with BOMEL and MARIN to investigate the exposure of North Sea FPSO/FSUs to green water ...
Magazine
In the Offshore Basin, current affairs are the order of the day

Jun 1, 2000

Reading time 6 minutes

The offshore market is searching for reserves in ever deeper waters, a reality which makes the need for pin-point accurate current generation in a ...
Magazine
Before the great flood

Jun 1, 2000

Reading time 6 minutes

The technological trend offshore has been to search in increasingly deep waters Ð but even from a model scale perspective, this can be hard to ...
Magazine
Storms at the click of a switch

Jun 1, 2000

Reading time 3 minutes

Model tests have invariably tried to simulate the forces of nature, of wind, wave and currents - the rule-ofthumb being the more reliable the ...
Paper
The effect of bow flare angle on FPSO green water loading

Jan 1, 2000

In this paper green water at the bow of weathervaning FPSOs is investigated. The strongly non-linear relative wave motions at the bow can come above ...
Paper
Model Test Challenges for Deep Water Floaters

Dec 1, 1999

Within a relatively short time, floating production systems have been accepted by the offshore industry as reliable and economic solutions for oil ...
Paper
Green water from the side of a weathervaning FPSO

Jul 1, 1999

In the paper the relative wave motions along the side of a weathervaning FPSO are investigated. In non-collinear directions of wind, waves and ...
Paper
Hydrodynamic Research Topics for DP Semi Submersibles

May 1, 1999

The study of the behavior of dynamically positioned semi submersibles in the time domain can deliver important information on the positioning ...
Paper
Features of the State-of-the-Art Deepwater Offshore Basin

May 1, 1999

Reliable model testing for deep water requires the controlled modeling of wind, waves and current in time and space to achieve a realistic and ...
Paper
A nonlinear 3-D approach to simulate GREEN WATER dynamics on deck

Jan 1, 1999

Green water impact load has an important influence on the design of floating offshore structures and the safety of ships. This paper presents a ...
Paper
Model Test Techniques for Deep Water Moorings

Oct 1, 1998

Why does a research institute build a new deep water model basin in 2000? Would it not be better to invest only in the development of new numerical ...
Paper
A new method for the prediction of non-linear relative wave motions

Jan 1, 1998

The problem of green water on the bow decks of floating offshore production units in large survival waves is an important design t problem. An ...
Paper
An Investigation into the Numerical Simulation of Green Water

Jan 1, 1997

In this paper the program has been described. The results of the validation with model tests on a tanker moored with a conventional mooring system ...
Paper
The Influence of the Bow Shape of FPSOs on Drift Forces and Green Water

May 1, 1996

In this paper the influence of the bow shape of FPSOS on drift forces and green water loading is studied. Use is made of the results of model tests ...
Paper
The Impact of Green Water on FPSO Design

May 1, 1995

For weather-vaning turret moored FPSO's in survival conditions the bow is always exposed to the wave action. When the waves come above the ...