Programme, presentations and posters from the 2016 conference

Detalied programme for the 2016 Conference 
Energy Procedia
Complete report - TR A7603   
Energy Procedia, Volume 94, Pages 1-544
(September 2016)
Opening session   
Innovations in Offshore Wind Energy John Olav Tande, NOWITECH
Cooperation as a key to cost reductions for offshore wind Kristin Guldbrandsen Frøysa, NORCOWE
Hywind Scotland Knut Erik Steen, Statoil
EERA research programme on wind energy and the offshore challenges Thomas Buhl, DTU
Parallel sessions  
A1 New turbine and generator technology  
New Development of a TLP substructure for a 6MW wind turbine – use of steel concrete composite material F. Adam, Wind Power Construction GMBH
A parametric CFD study of morphing trailing edge flaps applied on a 10 MW offshore wind turbine Eva Jost, Univ. of Stuttgart
Latest results from the EU project AVATAR: How to model large wind turbines aerodynamically? J.G. Schepers, ECN
Design Load Cases investigation and comparison between Vertical and Horizontal Axis Wind Turbines C. Galinos, DTU
A2 New turbine technology  

Development of an analysis and simulation tool for a multi-rotor wind turbine floater

P.E. Thomassen, SIMIS AS
Influence of Aerodynamic Model Fidelity on Rotor Loads during Floating Offshore Wind Turbine Motions D. Matha, Ramboll Wind
A coupled floating offshore wind turbine analysis with high-fidelity methods V. Leble, Univ. of Glasgow
B1 Grid connection  
High Density MMC for platform-less HVDC offshore wind power collection systems (KEYNOTE) Chong NG, Offshore Renewable Catapult

Cluster Control of Offshore Wind Power Plants Connected to a Common HVDC Station 

J.N. Sakamuri, DTU Wind Energy
Coordinated Tuning of Converter Controls in Hybrid AC/DC Power Systems for System Frequency Support Atsede Endegnanew, NTNU
Fulfilment of Grid Code Obligations by Large Offshore Wind Farms Clusters Connected via HVDC Corridor A.B. Attya, Univ. of Strathclyde
B2 Grid connection (cont.)  
Optimal transmission voltage for very long HVAC cables T.K. Vrana, SINTEF Energi AS 
Investigation on Fault-ride Through Method for VSC-HVDC Connected Offshore Wind Farms R. Torres-Olguin, SINTEF Energi
Minimizing Losses in Long AC Export Cables O. Mo, SINTEF Energi
Scaled Hardware Implementation of a Full Conversion Wind Turbine for Low Frequency AC Transmission R. Meere, UCD
C1 Met-ocean conditions  
Turbulence Intensity Model for offshore wind energy applications K. Christakos, Uni Research Polytec AS 
Boundary-Layer Study of FIN01 M. Flügge, CMR
High-resolution simulations of surface wind climate,
ocean currents and waves
H. Agustsson, Kjeller Vindteknikk AS
Analysis of offshore turbulence intensity – comparison with prediction models K. Lamkowska, Lodz Univ of Technology
C2 Met-ocean conditions (cont.)  
Coherence of turbulent wind under neutral wind conditions at FINO L. Eliassen, NTNU / Statkraft 
Assessment of offshore wind coherence by pulsed Doppler lidars J.B. Jakobsen, UiS
Turbulent Structure over Air-Sea Wavy Interface: Large-Eddy Simulation M.B. Paskyabi, UiB
D Operation & Maintenance  
A Risk Based Inspection Methodology for Offshore Wind Jacket Structures M. Shafiee, Cranfield Univ
Effect of Tower-top Axial Acceleration on Monopile Offshore Wind Turbine Drivetrains A.R. Nejad, NTNU
Safety Indicators for the Marine Operations in the Installation and Operating Phase of an Offshore Wind Farm H. Seyr, NTNU
Probabilistic assessment of floating wind turbine access by catamaran vessel  M. Martini, Inst of Cantabria 

E1 Installation & sub-structures

Accurate frequency domain method for monopiles K. Merz, SINTEF Energi
Crack growth fatigue modeling for monopiles L. Ziegler, Rambøll/NTNU
The effect of slamming on a one degree of freedom model of an offshore wind turbine: experimental results L. Suja-Thauvin, Statkraft/NTNU
Towards a risk-based decision support for offshore wind turbine installation and operation & maintenance  T. Gintautas, Aalborg Univ. 

E2 Installation & sub-structures (cont.)

SATH platform concept study D. Carrascosa, Saitec 
Methodology for risk assessment of floating wind substructures R.Proskovics, ORE Catapult
Scaling up floating wind – investigating the potential for platform cost reductions M.I.Kvittem, DNV GL
F Wind Farm Optimization   
A parametric investigation into the effect of low induction rotor (LIR) wind turbines on the LCoE of a 1GW offshore wind farm in a North Sea wind climat G. Scheepers, ECN Wind Energy 
ProdBase: Theoretical power production in the time domain using Wind Farm Simulator M.S. Grønsleth, Kjeller Vindteknikk
A continuously differentiable turbine layout optimization model for offshore wind farms A. Klein, UiB
Experimental testing of axial induction based control strategies for wind farm power optimization   J. Bartl, NTNU

G1 Experimental Testing and Validation 

Validation of a FAST Model of the Statoil-Hywind Demo Floating Wind Turbine  J. Jonkman, NREL
Real-time hybrid testing of a braceless semi-submersible wind turbine E. Bachynski, MARINTEK
OC5 Project Phase I: Validation of Hydrodynamic Loading on a Fixed Cylinder A.N. Robertson, NREL
Hydro-Elastic Contributions to Fatigue Damage on a Large Monopile  J-T. Horn, NTNU 

G2 Experimental Testing and Validation (cont.)


Validation of uncertainty in IEC damage calculations based on measurements from alpha ventus

K. Müller, Univ. of Stuttgart
Experimental Validation of the W2Power Hybrid Floating Platform

P. Mayorga, W2Power
Unsteady aerodynamics of floating offshore wind turbines:
toward experimental validation of equivalent lumped-element models
A. Zasso, Politecnico di Milano
Aerodynamic damping of a HAWT on a Semisubmersible S. Gueydon, Maritime Institute of The Netherlands


X1 Online technology transfer network for wind energy resarch


No presentations available

X2 Numerical reference wind farms
NORCOWE Reference Wind Farm K. Guldbrandsen Frøysa, NORCOWE
NOWITECH Dogger Bank Reference Wind Farm K. Merz, SINTEF Energi


Closing session – Strategic Outlook 


Initiative for Global Leadership in Offshore Wind

Matthijs Soede, European Commission

DeRisk project on extreme wave loads

H. Bredmose, DTU
Type Validation for the SeaWatch Wind Lidar Buoy F. Berge, Fugro OCEANOR
Increasing wind farm profit through integrated condition monitoring and control B.Floor Lund, Kongsberg Renewables





Development of a FAST model for a floating 10MW wind turbine

 M. Borg, DTU Wind Energy

Investigation on Fault-ride Through Method for VSC-HVDC Connected Offshore Wind Farms

W. Sun, NTNU

Design and Modelling of a LFAC transmission system for offshore wind

J. Ruddy, Univ College Dublin

A Review on Wind Power Plant Control and Modelling requirements

O. Anaya-Lara, Strathclyde Univ.

Synthetic inertia from wind power plant: Investigation of practical issues based on laboratory-based studies

O. Anaya-Lara, Strathclyde Univ.

Provision of Ancillary Services from Large Offshore Wind Farms

W. Ross, Univ of Strathclyde

Analysis of cyclone Xaver (2013) for offshore wind energy

K. Christakos, Uni Research Polytec AS

OBLO instrumentation at FINO1

M. Flügge, CMR
Energy systems on autonomous offshore measurement station  T.K. Løken, NTNU 
A Site Assessment of the Hywind Floating Wind Turbine location L. Sætran, NTNU
Gust factors in gale and storm conditions at Frøya L.M. Bardal, NTNU
Proof of concept for wind turbine wake investigations with the RPAS SUMO  J. Reuder, UiB 
Development of a TLP substructure for a 6MW wind turbine – use of steel concrete composite material F. Adam, Wind Power Construction GMBH 
First results from an offshore 40m high TLP met. mast at 65m deep waters in the Aegean Sea D. Foussekis, Centre for Renewable Energy Sources (CRES) 
Project schedule assessment with a focus on different input weather data sources G. Wolken-Möhlmann, Fraunhofer IWES 
Nonlinear wave propagation and breaking in the coastal area  M.B. Paskyabi, UiB
Lagrangian Study of Turbulence Structure Near the Sea Surface M.B. Paskyabi, UiB 
Evaluation of ensemble prediction forecasts for estimating weather windows B.R. Furevik, MET 
A surrogate model for simulations – finding optimal operation & maintenance strategies for offshore wind farms   M.R. Gallala, NTNU
Risk and reliability based maintenance planning for offshore wind farms using Bayesian statistics  M. Florian, Aalborg Univ.
The operation and maintenance planning based on reliability analysis of fatigue fracture of a wind turbine drivetrain components A. Beržonskis, Aalborg Univ.
Operation and maintenance and logistics strategy optimisation for offshore wind farms  I.B. Sperstad, SINTEF Energi 
Vessel fleet optimization for maintenance operations at offshore wind farms under uncertainty  M. Stålhane, NTNU 
Maintenance polar and marine traffic validation on existing wind farm   L. Colone, DTU
Assessment of the dynamic responses and operational sea states of a novel OWT tower and rotor nacelle assembly installation concept based on the inverted pendulum principle  W. G. Acero, NTNU 
Multi-level hydrodynamic modelling of a 10MW TLP wind turbine A.P. Jurado, DTU
A model for jacket optimization in Matlab K. Sandal, DTU
Analysis of second order effects on a floating concrete structure for FOWT's Prof. Climent Molins, Universitat Politecnica de Catalunya
Vibration-based identification of hydrodynamic loads and system parameters for offshore wind turbine support structures D. Fallais, Delft University of Technology
Improved Simulation of Wave Loads on Offshore Structures in Integral Design Load Case Simulations M.J. de Ruiter, Knowledge Centre WMC
Adaptation of Control Concepts for the Support Structure Load Mitigation of Offshore Wind Turbines B. Shrestha, ForWind
Comparison of experiments and CFD simulations of a braceless concrete semi-submersible platform   L. Oggiano, IFE
Parametric Wave Excitation Model for Floating Wind Turbines  F. Lemmer, University of Stuttgart
On Fatigue Damage Assessment for Offshore Support Structures with tubular Joints B. Hammerstad, NTNU
Influence of Soil Parameters on Fatigue Lifetime for Offshore Wind Turbines with Monopile Support Structure S. Schafhirt, NTNU
Mooring Line Dynamics Experiments and Computations. Effects on Floating Wind Turbine Fatigue Life and Extreme Loads J. Azcona, CENER
Semisubmersible floater design for a 10MW wind turbin J. Azcona, CENER
Sizing optimization of a jacket under many dynamic loads A. Verbart, DTU Wind Energy
Rational upscaling of a semi-submersible floating platform M. Leimeister, NTNU
Numerical and experimental investigation of breaking wave impact forces on a vertical cylinder in shallow waters M.A. Chella, NTNU
Irregular Wave Forces on Circular Cylinders placed in Tandem A. Aggarawal, NTNU
New design concepts of an upwind turbine rotor and their impact on wake characteristics F. Mühle, NMBU
Wake modelling: the actuator disc concept in PHOENICS N. Simisiroglou, WindSim AS
Wind farm control applications for Windscanner infrastructure T.I. Reigstad, SINTEF Energi AS
Real-Time Hybrid Model Testing of a Floating Wind Turbine: Numerical validation of the setup V. Chabaud, NTNU
Experimental Wind Turbine Wake Investigation towards Offshore Wind Farm Performance Validation Y. Kim, LSTM, FAU 
Validation of a Semi-Submersible Offshore Wind Platform through tank test  G. Aguirre, Tecnalia R&I 
Field site experimental analysis of a 1:30 scaled model of a spar floating offshore wind turbine  M. Collu, Mediterranea University 
A Review and Comparison of Floating Offshore Wind Turbine Model Experiments G. Stewart, NTNU
Wind Model for Simulation of Thrust Variations on a Wind Turbine  E. Smilden, NTNU 
Numerical simulations of the NREL S826 aerofoil performance characteristics – A CFD validation and simulation of 3D effects in wind tunnel testing K. Sagmo, NTNU
A Single-Axis Hybrid Modelling System for Floating Wind Turbine Basin Testing M. Hall, University of Maine
A design support multibody tool for assessing the dynamic capabilities of a wind tunnel 6DoF/HIL setup M. Belloli, Politecnico di Milano
Assessment and evaluation of a wind turbine condition using a time-frequency signal processing method P. McKeever, Offshore Renewable Energy Catapult
Development, Verification and Validation of 3DFloat; Aero-Servo-Hydro-Elastic Computations of Offshore Structures T.A. Nygaard, IFE
Effect of upstream turbine tip speed variations on downstream turbine performance: a wind farm case optimization J. Bartl, NTNU
Droplet Erosion Protection Coatings for Offshore Wind Turbine Blades A. Brink, SINTEF M&C
Design of an airfoil insensitive to leading edge roughness T. Bracchi, NTNU
Socio-economic evaluation of floating substructures within LIFES 50+ project M. de Prada, IREC
Coordinated control of DFIG-based offshore wind power plant connected to a single VSC-HVDC operated at variable frequency M. de Prada , IREC
Fiskarstrand Verft AS tooling up for renewable energy Einar Kjerstad, Fiskerstrand Verft AS
LIFES50+: Innovative floating offshore wind energy  P.A. Berthelsen, MARINTEK
Aerodynamic modeling of offshore floating vertical axis wind turbines  Z. Cheng, NTNU
Scalability of floating Vertical Axis Wind Turbines  E. Andersen, UiS 
Advanced Wind Energy Systems Operation and Maintenance Expertise J. Melero, CIRCE