| Opening session - Frontiers of Science and technology |
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| Tina Bru, Minister of Petroleum and Energy |
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| EERA DeepWind'2021 |
Nils Røkke, Exec. Vice President SINTEF and President EERA |
| Solutions for floating offshore wind |
Geir Olav Berg, CTO and SVP, Aker Offshore Wind |
| Results and plans for EC research on offshore wind |
Dr. Carlos Eduardo Lima Da Cunha, Policy Officer, EC |
| Arne Eik, Project manager offshore Wind, Norway, Equinor |
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| French test beds for foloating wind: present contribution and evolution towards a unified operation of open sea infrastructures |
Yves Perignon, Manager SEM_REV infrastructure, Research Engineer of CNRS, Centrale Nantes |
| Sustainable wind development |
Lena Kitzing, Head of Section for Society, Markets and Policy, DTU Wind Energy |
| Building a dominant wind sector requires focused R&I |
Peter Eecen, Coordinator EERA JP Wind |
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| New turbine and generator technology |
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| Self-Alignment on Single Point Moored Downwind Floater, The Pivot Buoy Concept |
Laura Volta, DTU |
| Investigation of a dynamically positioned wind turbine |
R. Alwan, University of Adelaide |
| Gradient-based optimization of a 15 MW wind turbine spar floater with HAWC2-driven aerodynamics |
N. Pollini, DTU |
| On the potential and limitations of a linearized method for design and analysis of floating wind turbines |
F. Savenije, TNO |
| Comparing the Aerodynamic Performance of Floating Offshore Wind Turbines with Betz-Optimised and Linearised Blades |
T. Sant, University of Malta |
| The effect of speed exclusion zone and active tower dampers on an upwind fixed-hub two-bladed 20 MW wind turbine |
F. Anstock, Hamburg University |
| Structural Optimisation of Offshore Direct-Drive Wind Turbine Generators including Static and Dynamic Analyses |
K. Tartt, University of Strathclyde |
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| Met-ocean conditions |
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| Analysis of turbulence models fitted to site, and their impact on the response of a bottom fixed wind turbine |
A. Nybø, University of Bergen |
| Wind resource assessment uncertainty for a TLP-based met mast |
D. Foussekis, CRES |
| Preliminary results of the COTUR project |
E. Cheynet, University of Bergen |
| Assessment of representative wind speed vertical profiles in the vicinity of offshore windfarms by means of long-range lidar |
J-J. Trujillo, UL International GmbH |
| Enhanced design basis for offshore wind farm load calculations based on met-ocean data from a floating LiDAR system |
M. Leimeister, Fraunhofer IWES |
| A Mesoscale Model Sensitivity over the Southern North Sea: Comparison with Measurements and Studying Impacts of Data Assimilation |
M. Bakhoday-Paskyabi, University of Bergen |
| Wake properties and power output of very large wind farms for different meteorological conditions and turbine spacings: A large-eddy simulation case study for the German Bight |
O. Maas, Leibniz University Hannover |
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| Grid connection and power system integration |
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| Optimisation of grid infrastructure |
H. Svendsen, SINTEF |
| Cost Competitive Wind Farm Frequency and Inertial Support |
M. Smailes, ORE Catapult |
| Dynamic cable model for layout optimisation purposes in Floating Offshore Wind Farms |
J. Rapha, IREC |
| DRYM: a DRY Mate connector dedicated to floating wind: Focus on long term behaviour of sealing system |
M. Priser, Naval Energies |
| Virtual Resistor for Sequential Greenstart of Wind Turbine and Offshore Network |
A. Jain, DTU |
| Indirect Current Control Grid Forming Converter Challenges and Limitations During Faults |
A. Abdelrahim, University of Strathclyde |
| Virtual Inertia Support by Grid Forming or Grid Following Control of HVDC Converter Terminals – Potential Applications in MultiTerminal HVDC Grids for Offshore Wind Integration |
S. D'Arco, SINTEF |
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| Energy transition perspectives |
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| International Auctions for the Support of Renewable Energy in Offshore Hubs with cross-border interconnection |
Mario Garzón González, DTU |
| How Low Can They Go: Expert Perspectives on the Future Costs of Fixed-Bottom and Floating Offshore Wind Energy |
Ryan Wiser, Lawrence Berkeley National Laboratory |
| Local Energy Communities – Incorporating Offshore Wind |
Paul McKeever, ORE Catapult |
| Quantifying the economic effects of upscaling the Offshore wind industry |
Fabian Rocha Aponte, SINTEF |
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| Installation and sub-structures |
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| Fibre Rope Mooring for Floating Wind Turbines |
T.A. Nygaard, IFE |
| Comparison of concrete and steel semi-submersible floaters for 10MW wind turbines |
S. Oh, Class NK |
| Which wave episodes drive the extreme response events for a floating wind turbine? |
H. Bredmose, DTU |
| Revised floating stability requirements for floating wind turbine structures |
Ø. Paulshus, DNV GL |
| Optimal Monopile designs for an IEA Wind reference wind farm |
A. Natarajan, DTU |
| Reliability of an offshore wind turbine with an uncertain SN curve |
S. Drexler, NTNU |
| Early age movement in offshore structures with various bearing conditions |
J. Henneberg, Leibniz University Hannover - ForWind |
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| Wind farm optimization and control |
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| Comparative analysis of large offshore wind energy markets |
K. Dykes, DTU |
| Simplified wake modelling for wind farm load prediction |
J.B. de Vaal, NTNU |
| From wind inflow field towards turbine loads: Analysis from a stochastic Galerkin POD model and LES simulations |
M. BakhodayPaskyabi, University of Bergen |
| Wind farm set point optimization with surrogate models for load and power output targets |
N. Dimitrov, DTU Wind Energy |
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| Operation & maintenance |
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| How to inspect and maintain 300 km of mooring line for 50 turbines that are 100 nm offshore, |
A. Argyros, DNV GL |
| Corrosion and corrosion monitoring of structural steel in offshore wind turbines |
C. Hagen, SINTEF |
| Fatigue lifetime estimation of wind turbine blades in a wind farm using damage extrapolation |
S. Mozafari, DTU |
| Data driven case-study of a wind turbine main-bearing failure |
E. de Mello, University of Sheffield |
| Impact of vessel logistics over floating wind farm availability |
A.R. Luis, University of Cantabria |
| Limiting wave conditions for the safe maintenance of floating wind turbines |
B. Jenkins, University of Strathclyde |
| Development and Validation of Automatic Data Quality Control Algorithms |
A. Venu, DNV GL |
| Estimation of wear and lifetime for improved turbine operation |
F. Rehwald, Fraunhofer IEE |
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| Experimental testing and validation |
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| Experimental study of the effect of second order wavemaker theory on the response of large diameter monopile in irregular sea |
F.H. Dadmarzi, NTNU |
| Uncertainties assessment in real-time hybrid model for ocean basin testing of a floating offshore wind turbine |
M. Somoano, IH Cantabria |
| Identification of wave drift force QTFs for the INO WNDMOOR floating wind turbine based on model test data and comparison with potential flow predictions |
N. Fonseca, SINTEF |
| Comparison of dynamic response prediction by using engineering model and numerical water tank for barge platform |
H. Otori, University of Tokyo |
| OC6 semisubmersible under waves and constant thrust |
S. Gueydon, MARIN |
| Sliding mode control design and its application on floating wind turbine |
F. Plestan, Ecole Centrale de Nantes |
| Lifetime Extension of Floating Wind Turbines – A Case Study |
L. Frøyd, 4Subsea AS |
| Structural monitoring of a 5MW offshore wind turbine |
E. Cheynet, University of Bergen |
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| Closing session |
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| Layout optimization for floating wind farm design |
Katherine Dykes, Head of Section, Systems Engineering and Optimization, DTU |
| Digital Twin + Wind Energy = True |
Trond Kvamsdal, Professor, NTNU |
| The Path to Floating Wind Deployment in the United States |
Amy Robertson, Principal Engineer, NREL |
| Making floating wind cost competitive |
John Olav Tande, Chief Scientist, SINTEF |
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| Posters |
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| Design and CFD studies of UPWARDS 15 MW virtual wind turbines |
B. Panjwani, SINTEF |
| A procedure to redesign a comparable blade structure of a two-bladed turbine based on a three-bladed reference |
M. Schütt, HAW Hamburg |
| Verification of Simpack-Moordyn coupling using 15 MW IEA Activefloat |
T. Roser, Stuttgart Wind Energy |
| Challenges in Large Offshore Wind Farms with MVDC Collection System |
A. Follo, DTU |
| Wind power integration in offshore oil and gas energy systems – operational optimisation |
H. Svendsen, SINTEF |
| Challenges related to long HVAC export cables in offshore wind power plants |
A. Holdyk, SINTEF |
| Monitoring of Floating Offshore Wind Turbines Using Model-Based Observers |
F. Lemmer, Sowento GmbH |
| Operational Metrics for an Offshore Wind Farm and Their Relation to Turbine Access Properties |
F. Anderson, CDT |
| Item-based Reliability-centred Life-Cycle Costing using Monte Carlo Simulation |
J. Reifferscheidt, SGRE |
| A computer tool for optimisation of marine operations for offshore wind farm installation |
E.E. Halvorsen-Weare |
| Condition-Monitoring of Power Electronic Converters |
O.C. Spro, SINTEF |
| Development of a Bayesian Network Updating Model for O&M planning of Offshore Wind Structures |
T. Elusakin, Cranfield University |
| Low-frequency dynamic wake meandering: comparison of FAST Farm and DIWA software tools |
I. Rivera-Arreba, NTNU |
| A hierarchical supervisory wind power plant controller |
K. Merz, SINTEF |
| A deep learning based reduced order model framework for assessing urban wind flow: A step in direction of digital twin model for buildingintegrated wind turbine and urban drone safety |
M. Tabib, SINTEF |
| A Numerical Investigation of the Geometric Characteristics of Floating Offshore Wind Turbines Wake under Axial and Yawed Rotor Conditions |
T. Sant, University of Malta |
| Evaluation of a low-fidelity hydrodynamic modelling approach for a floating wind turbine mounted on an enhanced spar |
G. Gonzalez, DTU Wind Energy |
| A nested multi-scale modelling framework involving Large Eddy Simulation for assessing urban wind conditions for safe drone operations and urban wind energy |
M. Tabib, NTNU |
| Design and application of an experimental hydrofoil test rig |
V. Lunestad, University of Bergen |
| Verification of coupling interface between an aeroelastic code and a time domain Rankine solver for completing structural analysis of floating wind turbine foundation design |
A. Bakhshandehrostami, DNV GL |
| Assessment of mooring system innovations for a floating offshore wind turbine using coupled dynamic analyses |
Q. Pan, SWE, University of Stuttgart |
| Effect of hydrodynamic models on the evaluation of cross-sectional forces in the coupled analysis of floating offshore wind turbines |
S. Oh, ClassNK |
| An effect of the averaging time and recording interval on mean wind speeds and significant wave heights |
A. Yamaguchi, University of Tokyo |
| Direct and fast probabilistic assessment of long term monopile load distribution from combined met-ocean data and fully nonlinear wave kinematics |
J.V.T. Sørensen, DHI |
| Exploring the potential of synthetic turbulence in large eddy simulations during stable conditions over ocean wind farms |
J. Boekee, Wageningen University and Research, University of Bergen, Delft University of Technology |
| Impact of waves on a large-scale turbine on a floating spar |
J. Sirvent, Kingston University |
| An introduction of image processing methods to the wake detection |
M. Krutova, University of Bergen |
| A study of nested simulations in PALM LES in application to the wind turbines |
M. Krutova, University of Bergen |
| Wind-Wave Interaction and Its Impact on Turbine Wakes Variability under Changing Atmospheric and Sea-State Conditions |
M. Bakhoday-Paskyabi, University of Bergen |
| Offshore Wind Turbine Near- and Far-wake Acoustic Noise Propagation: LES-based Study |
M. Bakhoday-Paskyabi, University of Bergen |
| Presentation and validation of a simulation environment for floating lidar systems |
O. Bischoff, SWE, University of Stuttgart |
| Analysis of wind spectra and coherence in near-neutral stability at sea based on two LES codes |
X. Ning, University of Bergen |
| Verification and validation of a micro-scale Finite Element code for atmospheric boundary layer flow in coastal area |
Z. Midjiyawa, Meteorological Institute |
| Hybrid analysis and modeling for next generation of digital twins |
S. Pawar, Oklahoma State University |
| Assessment of the allowable sea states for offshore wind turbine installation considering weather forecasting uncertainty |
M.Wu, NTNU |
| A hybrid POD approach for parametrised turbulent flow problems |
V. Tsiolakis, NTNU |