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Magazine
Screening for extreme wave events
Jan 21, 2020
Reading time 6 minutes
Extreme waves can have significant consequences for ships and offshore structures at sea. When hit by a wave local damage may occur, personnel may ...
Paper
Optimization of Wave Induced Motions and Forces on a Floating Island
Jun 14, 2019
Floating mega islands can provide an attractive solution for creating temporal or more permanent space in coastal areas with a high demand for real ...
Paper
Efficient indicators for screening of random waves for wave impacts on a jacket platform & a fixed offshore wind turbine
Jun 9, 2019
Reading time 7 minutes
Renewed interest in wave impact assessment has risen for various reasons: The low airgap of some existing Mobile Units in the North Sea The COSL ...
Paper
ON THE WAVE INDUCED MOTIONS OF A FLOATING MEGA ISLAND
Apr 22, 2019
Reading time 6 minutes
About 70% of the earth’s surface area is covered with water. Due to the sea level rise and increasing population in coastal areas we need to use our ...
Paper
USING NONLINEAR WAVE KINEMATICS TO ESTIMATE THE LOADS ON OFFSHORE WIND TURBINES IN 3-HOUR SEA STATES
Jun 17, 2018
Reading time 4 minutes
The effects of operational wave loads and wind loads on offshore mono pile wind turbines are well understood. For most sites, however, the water ...
Paper
USEFUL INDICATORS FOR SCREENING OF SEA STATES FOR WAVE IMPACTS ON FIXED AND FLOATING PLATFORMS
Jun 17, 2018
Design approaches for wave impact on marine structures in storm sea-states are being reconsidered due to events related to the safety of North Sea ...
Paper
Model tests and numerical analysis for a floating mega island
Jun 17, 2018
Reading time 5 minutes
About 70% of the earth’s surface area is covered with water. Due to the sea level rise and increasing population in coastal areas we need to use our ...
Paper
Simulation of wave impacts at belwind offshore wind farm and comparison with full-scale measurements
Jun 25, 2017
Reading time 3 minutes
The effects of operational wave loads and wind loads on offshore monopile wind turbines are well understood. For most sites, however, the water ...
Magazine
Joining forces to capture extreme loads
Apr 21, 2017
Reading time 3 minutes
The possible occurrence of negative air gaps on offshore structures in storm conditions has recently attracted significant attention. A new JIP ...
Paper
Validation of CFD for a deterministic breaking wave impact on a semi submersible
Oct 3, 2016
For structural design, prediction of run-up, green water and impact loads have to be taken into account, to assure the integrity and safety of ...
Paper
Turbulence Modeling for Locally-Refined Free-Surface Flow Simulations in Offshore Applications
Jun 21, 2015
To study extreme hydrodynamic wave impact in offshore and coastal engineering, the VOF-based CFD simulation tool ComFLOW is being developed. ...
Paper
Deterministic simulation of breaking wave impact and flexible response of a fixed offshore wind turbine
Jun 5, 2015
Reading time 6 minutes
The effects of operational wave loads and wind loads on offshore mono pile wind turbines are well understood. For most sites, however, the water ...
Paper
A SIMULATION APPROACH FOR LARGE RELATIVE MOTIONS OF MULTI-BODY OFFSHORE OPERATIONS IN WAVES
Jun 8, 2014
The traditional approach to simulate offshore multi-body operations in waves is to carry out a potential-flow based linear diffraction analysis in ...
Paper
Minimizing basin effects for accurate testing of ship motions in waves
Oct 1, 2012
This paper investigates the quality of waves in a square wave basin and methods to improve this.
Magazine
Enforcing wave impact research
Apr 20, 2012
Reading time 6 minutes
Together with the industry, MARIN is working on several projects to investigate problems related to wave impacts. Here, we highlight three Joint ...
Paper
Viscous Flow Effects Of Passing Ships In Ports
Jun 20, 2011
This paper presents a method to compute the effect of passing ships on moored ships. A comparison is made with model tests for a ship passing a ...
Paper
A PRACTICAL METHOD TO DETERMINE THE EFFECT OF CURRENT ON WAVE LOADS AND MOTIONS OF OFFSHORE STRUCTURES
Jun 19, 2011
In this paper a linear diffraction method is presented which is able to determine accurately and fast the effect of current on motions of, and ...
Paper
On the modeling of passing ship effects
Apr 22, 2011
This paper presents a method to compute the effect of passing ships on moored ships. A comparison is made with model tests for a ship passing a ...
Paper
A comparative study on state-of-the-art prediction tools for seakeeping
Sep 14, 2010
The CRS organized a workshop in which a number of research groups were invited to carry out seakeeping predictions for a number of ships. Comparison ...
Paper
Modelling The Effect Of Sloshing On Ship Motions
Jun 6, 2010
In this paper several methods are described which can be used to quantify sloshing and its effect on the ship motions, in particular roll in oblique ...
Paper
Hydrodynamic analysis for side-by-side offloading
Jul 21, 2009
In this paper a comparison between model basin experiments and results of linear diffraction computations on side-by-side moored LNG carriers is ...
Paper
Prediction of Extreme Wave Loads in Focused Wave Groups
Jul 6, 2008
The Volume of Fluid (VoF) method is a promising tool to predict extreme wave loads on fixed and floating offshore structures. The VoF method ...
Magazine
Computational Fluid Dynamics now applied to offshore structures
Apr 1, 2008
Reading time 3 minutes
MARIN has applied and developed Computational Fluid Dynamics (CFD) for several decades in the field of ship resistance and propulsion but now the ...
Paper
Large scale LNG Sloshing Model Tests
Jul 1, 2007
The motion of the LNG fluid inside gas carriers is normally restricted by the loading condition of the vessel, i.e. the vessel is operated at either ...
Paper
Numerical Simulation of Sloshing in LNG Tanks With a Compressible Two-Phase Model
Jun 1, 2007
The study of liquid dynamics in LNG tanks is getting more and more important with the actual trend of LNG tankers sailing with partially filled ...
Paper
Free Surface Flow Modelling with Interface Capturing Techniques
Jun 1, 2007
MARIN, HSVA and TUHH are jointly developing the RANS-code FRESCO. The freesurface modelling part of the code is based on interface capturing. ...
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
MARIN's next top models
Apr 1, 2007
Reading time 3 minutes
MARIN is continuously developing modelling techniques to assist clients in optimising their DP configurations. Two examples of recent projects are ...
Paper
Extreme Wave Effects on Deep Water TLPs - Lessons Learned from the Snorre A Model Tests
Nov 1, 2006
In the last few years there has been an increasing focus within the shipping and offshore industry on extreme wave events and abnormal wave ...
Paper
The Use of a Volume Of Fluid (VOF) Method Coupled to a Time Domain Motion Simulation to Calculate the Motions of a Subsea Structure Lifted Through The Splash Zone
Jun 1, 2006
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
Identification of Quadratic Responses of Floating Structures in Waves
May 28, 2006
A formulation for the estimation of the low frequency damping and the quadratic wave drift force transfer function will be presented in this paper. ...
Magazine
Offloading of LNG increasing demand for LIFSIM program
Apr 1, 2005
Reading time 6 minutes
Traditionally the MARIN program LIFSIM has been used extensively by the Offshore Department to assist clients in the design and evaluation of their ...
Paper
Validation of Wave Propagation in Numerical Wave Tanks
Jan 1, 2005
During the last few years there has been a strong growth in the availability and capabilities of numerical wave tanks. In order to assess the ...
Paper
Experimental Investigation of Subsea Structures during Installation and the Related Wave Loads Added Mass and Damping
May 23, 2004
This paper presents experiments focussing on the wave loads, added mass and damping of a subsea structure in the splash zone. Two series of tests ...
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 ...
Magazine
Snorre TLP Successful safety assessment
Mar 1, 2004
Reading time 3 minutes
The Snorre Tension Leg Platform (TLP) has been operating successfully in the North Sea, offshore Norway, since
1992. Engineered by Aker Kvaerner and ...
Magazine
LNG SPM model tests for SBM
Dec 1, 2003
Reading time 2 minutes
In 2003 MARIN carried out an extensive series of model tests to investigate the performance of the SYMO (Soft Yoke Mooring and Offloading) system ...
Magazine
JIP finds shielding effects have significant impact
Sep 1, 2003
Reading time 3 minutes
As the first phase of the offloading operability JIP nears conclusion, Report outlines the findings so far.
Magazine
MARIN gets ART-ful in search for innovation
Apr 1, 2003
Reading time 2 minutes
The search for oil in deep water keeps leading to new innovative ideas for the support of export risers. One such innovation has been developed by ...
Magazine
MARIN helps improve CALM buoy design
Apr 1, 2002
Reading time 3 minutes
As the deepwater CALM buoy becomes a common solution for offloading from spread moored West of Africa FPSOs, MARIN is carrying out an increasing ...
Paper
Coupled Mooring Analysis in Large Scale Model Tests on a Deepwater CALM Buoy in Mild Wave Conditions
Jan 1, 2002
This paper describes a series of model tests aimed at gaining insight in the tension variations in the export risers and mooring lines of a CALM ...
Thesis
Seakeeping Calculations for Ships, taking into Account the Non-linear Steady Waves
Nov 1, 1999
A ship sailing at sea experiences a resistance due to its forward speed and incoming waves, which must be balanced by the propulsive power of the ...
Other experts
Christian VeldhuisTeam Leader Ships - Simulation & Development | Senior Project Manager | Research coordinator Zero Emission Shipping
Christian VeldhuisTeam Leader Ships - Simulation & Development | Senior Project Manager | Research coordinator Zero Emission Shipping