ESRs/Alumni

The 13 FLOAWER ESR alongside the Coordination team during the 3rd Training of the project (September 2021).
From right to the left, starting from the last row: Wessel van der Deijl (ESR11), Thomas Messmer (ESR10), Kutay Yilmazlar (ESR12), Xiaoming Ran (ESR4), Moritz Gräfe (ESR2), Daniel Hatfield (ESR3), Craig White (ESR13), Seung Yoon Han (ESR5), Telem Avidor (ESR1), Eva Melina Schmitt (ESR7), Victor Benifla (ESR8), Navid Belvasi (ESR6), Florent Jubé (Project Manager), Mariana Montenegro (ESR9), Sandrine Aubrun (General Coordinator).

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Research topic: Wind resource assessment in deep waters through space-distributed measurement systems
Employer: Centrale Nantes (ECN), France
Supervisors: Prof. Sandrine Aubrun and Dr. Yves Perignon
Secondments: EOLFI and DTU

Key skills and knowledge: Interaction Ocean-Atmosphere, Wind data, Wind analysis, LIDAR, WRF, Anemometers data, Matlab
LinkedIn account: https://www.linkedin.com/in/telem-avidor-514376111/

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Research topic: Assessing the measurements of offshore wind conditions using LiDAR on floating platforms for resource assessment and power curve verification
Employer: University of Stuttgart (USTUTT), Germany
Supervisors: Prof. P.W. Cheng and Oliver Bischoff
Secondments: Fraunhofer IWES and IDEOL


Key skills and knowledge: Potential Flow for Wave Structure Interaction, Analytical solutions and BEM, Software: HydroSTAR, HydroD, Experiment:motion in wave, wave run-up, added resistance, ship manoeuvering, and segmented model test, Programming: Fortran, Matlab, Python
Publications:
Wind field reconstruction using nacelle based lidar measurements for floating wind turbines, Journal of Physics: Conference Series
Lidar-based virtual load sensors for mooring lines using artificial neural networks. Moritz Gräfe et al 2023. J. Phys.: Conf. Ser. 2626 012036
Quantification and correction of motion influence for nacelle-based lidar systems on floating wind turbines. Moritz Gräfe et al. 2023. Wind Energ. Sci., 8, 925–946
LinkedIn account: https://www.linkedin.com/in/moritz-gr%C3%A4fe-21653297/

Research topic: Offshore wind resource at deep sea sites applying satellite data and numerical modelling
Employer: Technical University of Denmark, Wind Energy Department (DTU), Denmark
Supervisor: Dr. Charlotte Bay Hasager
Secondments: Fraunhofer IWES and VORTEX

Key skills and knowledge: Satellite remote sensing, Lidars, WRF, Python, mathematica, Matlab, Physics, Astrophysics, Meteorology
Publications:  Comparing Offshore Ferry Lidar Measurements in the Southern Baltic Sea with ASCAT, FINO2 and WRF. Hatfield, D., Hasager, C. B., & Karagali, I. 2022. Remote Sensing, 14(6), [1427]
LinkedIn account: https://www.linkedin.com/in/daniel-hatfield-b9a6a7193/

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Research Topic: High-fidelity determination of wave load and load effects for floating wind turbine hulls subjected to severe wave conditions
Employer: Norwegian University of Science and Technology (NTNU), Norway
Supervisors: Assoc. Prof. Erin Bachynski and Prof. Michael Muskulus
Secondments: Centrale Nantes and GICON

Key skills and knowledge: Hydrodyanamics, CFD, BEM, Wave loads,  Motion analysis of floater, Integrated numerical  analysis, Engineering models, Structural analysis of floater, FEM, Stochastic response, Mooring dynamics
Publications: Overview of the potential of floating wind in Europe based on metocean-data derived from the ERA5-dataset. Messmer, T et al 2023 J. Phys.: Conf. Ser. 2626 012021
Hydro elastic response of a flexible spar floating wind turbine: numerical modelling and validation. Ran, X et al. 2023. Ocean Engineering,
Volume 286, Part 2, 115635.

LinkedIn account: https://www.linkedin.com/in/xiaoming-ran-025b16b3/

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Research Topic: Hydrodynamic analysis and numerical modelling of heave-plates dedicated to the design of floating wind turbines
Employer: Centrale Nantes (ECN), France
Supervisors: Dr. Jean-Christophe Gilloteaux and Prof. David Le Touzé
Secondments: Norwegian University of Science and Technology and IDEOL

Key skills and knowledge: Potential Flow for Wave Structure Interaction: Analytical solutions and BEM, Software: HydroSTAR, HydroD; Experiment: motion in wave, wave run-up, added resistance, ship manoeuvring, and segmented model test; Programming: Fortran, Matlab, Python
Publications: Validation study of a CFD numerical solver for the oscillatory flow features around heave plates. Han, S-Y et al, 2022. ASME 2022 41st International Conference on Ocean, Offshore and Arctic Engineering, American Society of Mechanical Engineers
Linear diffraction and radiation theory of water waves by a truncated vertical circular cylinder with heave plate in deep and shallow drafts. Han, S-Y et al, 2024. International Journal of Naval Architecture and Ocean Engineering.
LinkedIn account: https://www.linkedin.com/in/seung-yoon-han-592bab18a/

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Research Topic: Advanced physical Modelling Methods for Floating wind turbines
Employer: University College of Cork (UCC), Ireland
Supervisors: Prof. Jimmy Murphy
Secondments: Centrale Nantes and Aerodyn

Key skills and knowledge: Experimental test campaign, lab testing  kits, spectural analysis, signal analysis, Image proceessing, quantitative flow measurements, Mooring Dynamics, motion analysis of floater, hydrodyanamics, hydro-aero coupling, wave kenematics, fatigue, CFD, BEM, coding
Publications: Analysis of Floating Offshore Wind Platform Hydrodynamics Using Underwater SPIV: A Review. Belvasi, N, 2022. Energies 2022, 15.
4641
Far-Wake Meandering of a Wind Turbine Model with Imposed Motions: An Experimental S-PIV Analysis. Belvasi, N, 2022.Energies 2022, 15, 7757
Ocean waves time-series generation: minimum required artificial wave time-series for wave energy converter analysis. Belvasi, N, 2023. Journal of Marine Engineering & Technology, 22:6, 273-283.
LinkedIn account: https://www.linkedin.com/in/navid-belvasi-8ba0241b6/

Research Topic: Advanced design and optimized cost of mooring systems
Employer: Norwegian University of Science and Technology (NTNU), Norway
Supervisors: Prof. Michael Muskulus and Assoc. Prof. Erin Bachynski
Secondments: University of Rostock and Vicinay

LinkedIn account: https://www.linkedin.com/in/eva-melina-schmitt-a00740207/

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Research Topic: Multi-Used design components for different kind of floating sub-structures
Employer: University of Rostock (UROS), Germany
Supervisors: Dr. Frank Adam
Secondments: WAVEC and GICON


Key skills and knowledge: Python/C#/C++, Applied maths
Publications: Development of a Genetic Algorithm Code for the Design of Cylindrical Buoyancy Bodies for Floating Offshore Wind Turbine Substructures. Benifla, V et al. 2022. Energies, 15, 1181. 2022.
Development of a Genetic Algorithm Code for the Design of Cylindrical Buoyancy Bodies for Floating Offshore Wind Turbine Substructures. Benifla, V and Frank Adam 2022 J. Phys.: Conf. Ser. 2265 042019
Overview of the potential of floating wind in Europe based on metocean-data derived from the ERA5-dataset. Benifla, V et al 2023 J. Phys.: Conf. Ser. 2626 012021
Design Optimisation of Floating Offshore Wind Turbine Substructure Using Frequency Domain Modelling and Genetic Algorithm. Victor Benifla and Frank Adam 2023 J. Phys.: Conf. Ser. 2626 012047

LinkedIn account: https://www.linkedin.com/in/victorbenifla/

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Research Topic: Horizontal and vertical axis WT aerodynamic modeling and testing
Host: Politecnico di Milano (POLIMI), Italy
Supervisors: Prof. Alessandro Croce and Dr. Stefano Cacciola
Secondments: University of Oldenburg and Cartflow

Key skills and knowledge:
Publications: Effectiveness of dynamic induction control strategies on the wake of a wind turbine. Montenegro Montero, M et al 2022. Phys.: Conf. Ser. 2265 022054.
A CFD-based analysis of dynamic induction techniques for wind farm control applications. Montero Montenegro, M et al 2022. Wind Energy Volume26, Issue3, March 2023, Pages 325-343.


LinkedIn account: https://www.linkedin.com/in/montenegromontero/

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Research Topic: Dynamics and interaction of floating turbines
Employer: University of Oldenburg (UOLD), Germany
Supervisors: Prof. Joachim Peinke and Dr. Michael Hölling
Secondments: Politecnico di Milano and GICON

Key skills and knowledge: Aerodynamics of FOWT, hydrodynamic, turbulence, IEC-61400, DLC, Load analysis, Python, Arduino, data analysis, FAST, OrcaFlex, Bladed, Nemoh
Publications: Enhanced recovery and non-linear dynamics in the wake of a model floating offshore wind turbine submitted to side-to-side and fore-aft motion. Thomas Messmer et al. 2023.
A six degree-of-freedom set-up for wind tunnel testing of floating wind turbines. Messmer, T et al 2022 J. Phys.: Conf. Ser. 2265 042015
Overview of the potential of floating wind in Europe based on metocean-data derived from the ERA5-dataset. Messmer, T et al 2023 J. Phys.: Conf. Ser. 2626 012021
LinkedIn account: https://www.linkedin.com/in/thomas-messmer684/

 

Research Topic: Ability of vertical axis wind turbines to be a competitive alternative to horizontal axis wind turbines for floating offshore applications
Employer: CNRS-LEGI (CNRS), France
Supervisors: Assoc. Prof. Christophe Sicot
Secondments: Ecole Nationale Supérieure de Mécanique et d’Aérotechnique and Hydroquest
 

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Research Topic: Integrated design and LCOE minimization of horizontal and vertical axis wind turbines.
Employer: Politecnico di Milano (POLIMI), Italy
Supervisors: Prof. Alessandro Croce and Assoc. Prof. Carlo Emanuele Dionigi Riboldi
Secondments: Norwegian University of Science and Technology and EOLFI


Key skills and knowledge: Multibody dynamics simulations, aerodynamics, data processing, Wind tunnel testing, CFD (Ansys Fluent)
Publications: Development of engineering cost models forintegrated design optimization of onshore and offshore wind farms. Yilmazlar, K et al 2022. J. Phys.: Conf. Ser. 2265 042042
OC6 project Phase III: validation of the aerodynamic loading on a wind turbine rotor undergoing large motion caused by a floating support structure. Yilmazlar, Y et al, 2022. Wind Energ. Sci., 8, 465–485, 2023
LinkedIn account: https://www.linkedin.com/in/kutay-yilmazlar-055ba7271/

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Research Topic: System design to minimize the LCOE of Floating Offshore Wind
Host: WAVEC/Offshore Renewables (WAVEC), Portugal
Supervisors: Dr. Jose Candido and Assoc. Prof. Luis Gato
Secondments: Politecnico di Milano and EOLFI

Publications: Floating wind and wave energy devices: applications, synergies and role in decarbonization in Portugal. White, C et al 2023.15th European Wave And Tidal Energy Conference, 3–7 September 2023, Bilbao
Economic Viability of Implementing Structural Health Monitoring Systems on the Support Structures of Bottom-Fixed Offshore Wind. White et al 2023. Energies 2023, 16, 4885.
LinkedIn account: https://www.linkedin.com/in/craig-white-1330b832/