Gregory Germain

Laboratoire Comportement des Structures en Mer (PDG-REM-RDT-LCSM)

Gregory.Germain@ifremer.fr

Employer : Ifremer

Site : Boulogne

Postal address : Centre Manche Mer du Nord - 150, Quai Gambetta - 62200 Boulogne-sur-Mer

URL : https://annuaire.ifremer.fr/cv/16826/en/

ORCID orcid icon : 0000-0002-8324-5104

Present position

In charge of the wave and current flume tank and of the associated team


Research Interests

  • Naval hydrodynamic
  • Marine Renewable Energy
  • Fluid / structure interaction
  • Experimental and numerical modelling


Education

HDR - 2014 (Accreditation to supervise research)

PhD - 2002



Dataset

2018

Gaurier Benoit, Germain Gregory, Facq Jean-Valery, Day Sandy, Di Felice Fabio (2018). Towing and circulating tanks tidal energy converter test results . SEANOE . https://doi.org/10.17882/57450


Bibliography

Publications

Trasch Martin, Deporte Astrid, Delacroix Sylvain, Germain Gregory, Drevet Jean-Baptiste (2019). Analytical linear modelization of a buckled undulating membrane tidal energy converter . Renewable Energy , 130, 245-255 . https://doi.org/10.1016/j.renene.2018.06.049
Ikhennicheu Maria, Gaurier Benoit, Druault Philippe, Germain Gregory (2018). Experimental analysis of the floor inclination effect on the turbulent wake developing behind a wall mounted cube . European Journal Of Mechanics B-fluids , 72, 340-352 . https://doi.org/10.1016/j.euromechflu.2018.07.003
Mallat Bachar, Germain Gregory, Billard Jean-Yves, Gaurier Benoit (2018). A 3D study of the bubble sweep-down phenomenon around a 1/30 scale ship model . European Journal Of Mechanics B-fluids , 72, 471-484 . https://doi.org/10.1016/j.euromechflu.2018.07.014
Mallat Bachar, Germain Gregory, Gaurier Benoit, Druault Philippe, Billard Jean-Yves (2018). Experimental study of the bubble sweep-down phenomenon on three bow designs . Ocean Engineering , 148, 361-375 . https://doi.org/10.1016/j.oceaneng.2017.11.041
Trasch Martin, Deporte Astrid, Delacroix Sylvain, Drevet Jean-Baptiste, Gaurier Benoit, Germain Gregory (2018). Power estimates of an undulating membrane tidal energy converter . Ocean Engineering , 148, 115-124 . https://doi.org/10.1016/j.oceaneng.2017.11.002
Duran-Medina Olmo, Schmitt Francois G., Calif Rudy, Germain Gregory, Gaurier Benoit (2017). Turbulence analysis and multiscale correlations between synchronized flow velocity and marine turbine power production . Renewable Energy , 112, 314-327 . Publisher's official version : https://doi.org/10.1016/j.renene.2017.05.024 , Open Access version : https://archimer.ifremer.fr/doc/00385/49620/
Pinon Gregory, Carlier Clement, Fur Arnaud, Gaurier Benoit, Germain Gregory, Riyoalen Elie (2017). Account of ambient turbulence for turbine wakes using a Synthetic-Eddy-Method . Wake Conference 2017 , 854, 012016 (11p.) . Publisher's official version : https://doi.org/10.1088/1742-6596/854/1/012016 , Open Access version : https://archimer.ifremer.fr/doc/00389/50002/
Druault Philippe, Germain Gregory (2016). Analysis of hydrodynamics of a moving trawl codend and its fluttering motions in flume tank . European Journal Of Mechanics B-fluids , 60, 219-229 . Publisher's official version : https://doi.org/10.1016/j.euromechflu.2016.06.010 , Open Access version : https://archimer.ifremer.fr/doc/00344/45503/
Delacroix Sylvain, Germain Gregory, Gaurier Benoit, Billard Jean-Yves (2016). Experimental study of bubble sweep-down in wave and current circulating tank: Part II—Bubble clouds characterization . Ocean Engineering , 120, 88-99 . Publisher's official version : https://doi.org/10.1016/j.oceaneng.2016.05.008 , Open Access version : https://archimer.ifremer.fr/doc/00335/44577/
Dussol David, Druault Philippe, Mallat Bachar, Delacroix Sylvain, Germain Gregory (2016). Automatic dynamic mask extraction for PIV images containing an unsteady interface, bubbles, and a moving structure . Comptes Rendus Mecanique , 344(7), 464-478 . Publisher's official version : https://doi.org/10.1016/j.crme.2016.03.005 , Open Access version : https://archimer.ifremer.fr/doc/00327/43778/
Sheehan Emma V., Vaz Sandrine, Pettifer Erin, Foster Nicola L., Nancollas Sarah J., Cousens Sophie, Holmes Luke, Facq Jean-Valery, Germain Gregory, Attrill Martin J. (2016). An experimental comparison of three Towed Underwater Video Systems using species metrics, benthic impact and performance . Methods In Ecology And Evolution , 7(7), 843-852 . Publisher's official version : https://doi.org/10.1111/2041-210X.12540 , Open Access version : https://archimer.ifremer.fr/doc/00319/42984/
Mycek Paul, Pinon Gregory, Germain Gregory, Rivoalen Elie (2016). Formulation and analysis of a diffusion-velocity particle model for transport-dispersion equations . Computational & Applied Mathematics , 35(2), 447-473 . Publisher's official version : https://doi.org/10.1007/s40314-014-0200-5 , Open Access version : https://archimer.ifremer.fr/doc/00250/36128/
Delacroix Sylvain, Germain Gregory, Gaurier Benoit, Billard Jean-Yves (2016). Experimental study of bubble sweep-down in wave and current circulating tank: Part I—Experimental set-up and observed phenomena . Ocean Engineering , 120, 78-87 . Publisher's official version : https://doi.org/10.1016/j.oceaneng.2016.05.003 , Open Access version : https://archimer.ifremer.fr/doc/00335/44578/
Delacroix Sylvain, Germain Gregory, Berger Laurent, Billard Jean-Yves (2016). Bubble sweep-down occurrence characterization on Research Vessels . Ocean Engineering , 111, 34-42 . Publisher's official version : https://doi.org/10.1016/j.oceaneng.2015.10.040 , Open Access version : https://archimer.ifremer.fr/doc/00294/40557/
Gaurier Benoit, Germain Gregory, Facq Jean-Valery, Johnstone C.M., Grant A.D., Day A.H., Nixon E., Di Felice F., Costanzo M. (2015). Tidal Energy ”Round Robin” Tests Comparisons between towing tank and circulating tank results . International Journal of Marine Energy , 12, 87-109 . Publisher's official version : https://doi.org/10.1016/j.ijome.2015.05.005 , Open Access version : https://archimer.ifremer.fr/doc/00270/38163/
Druault Philippe, Germain Gregory, Facq Jean-Valery (2015). PIV measurements combined with the motion tracking technique to analyze flow around a moving porous structure . Journal Of Fluids And Structures , 56, 190-204 . Publisher's official version : https://doi.org/10.1016/j.jfluidstructs.2015.04.004 , Open Access version : https://archimer.ifremer.fr/doc/00271/38216/
Mycek Paul, Gaurier Benoit, Germain Gregory, Pinon Gregory, Rivoalen Elie (2014). Experimental study of the turbulence intensity effects on marine current turbines behaviour. Part II: Two interacting turbines . Renewable Energy , 68, 876-892 . Publisher's official version : https://doi.org/10.1016/j.renene.2013.12.048 , Open Access version : https://archimer.ifremer.fr/doc/00175/28644/
Mycek Paul, Gaurier Benoit, Germain Gregory, Pinon Gregory, Rivoalen Elie (2014). Experimental study of the turbulence intensity effects on marine current turbines behaviour. Part I: One single turbine . Renewable Energy , 66, 729-746 . Publisher's official version : https://doi.org/10.1016/j.renene.2013.12.036 , Open Access version : https://archimer.ifremer.fr/doc/00175/28647/
Bouhoubeiny Elkhadim, Druault Philippe, Germain Gregory (2014). Phase-averaged mean properties of turbulent flow developing around a fluttering sheet of net . Ocean Engineering , 82, 160-168 . Publisher's official version : https://doi.org/10.1016/j.oceaneng.2014.03.009 , Open Access version : https://archimer.ifremer.fr/doc/00184/29552/
Gaurier Benoit, Davies Peter, Deuff Albert, Germain Gregory (2013). Flume tank characterization of marine current turbine blade behaviour under current and wave loading . Renewable Energy , 59, 1-12 . Publisher's official version : https://doi.org/10.1016/j.renene.2013.02.026 , Open Access version : https://archimer.ifremer.fr/doc/00136/24693/
Mycek Paul, Pinon Gregory, Germain Gregory, Rivoalen Elie (2013). A self-regularising DVM–PSE method for the modelling of diffusion in particle methods . Comptes Rendus Mecanique , 341(9-10), 709-714 . Publisher's official version : https://doi.org/10.1016/j.crme.2013.08.002 , Open Access version : https://archimer.ifremer.fr/doc/00159/27006/
Davies Peter, Germain Gregory, Gaurier Benoit, Boisseau Amelie, Perreux Dominique (2013). Evaluation of the durability of composite tidal turbine blades . Philosophical Transactions Of The Royal Society A-mathematical Physical And Engineering Sciences , 371(1985) . Publisher's official version : https://doi.org/10.1098/rsta.2012.0187 , Open Access version : https://archimer.ifremer.fr/doc/00079/19053/
Pinon Gregory, Mycek Paul, Germain Gregory, Rivoalen Elie (2012). Numerical simulation of the wake of marine current turbines with a particle method . Renewable Energy , 46, 111-126 . Publisher's official version : https://doi.org/10.1016/j.renene.2012.03.037 , Open Access version : https://archimer.ifremer.fr/doc/00087/19853/
Druault Philippe, Bouhoubeiny Elkhadim, Germain Gregory (2012). POD investigation of the unsteady turbulent boundary layer developing over porous moving flexible fishing net structure . Experiments In Fluids , 53(1), 277-292 . Publisher's official version : https://doi.org/10.1007/s00348-012-1289-1 , Open Access version : https://archimer.ifremer.fr/doc/00088/19935/
Gaurier Benoit, Germain Gregory, Kervella Youen, Davourie Julia, Cayocca Florence, Lesueur Patrick (2011). Experimental and numerical characterization of an oyster farm impact on the flow . European Journal Of Mechanics B-fluids , 30(5), 513-525 . Publisher's official version : https://doi.org/10.1016/j.euromechflu.2011.05.001 , Open Access version : https://archimer.ifremer.fr/doc/00043/15421/
Bouhoubeiny Elkhadim, Germain Gregory, Druault Philippe (2011). Time-Resolved PIV investigations of the flow field around cod-end net structures . Fisheries Research , 108(2-3), 344-355 . Publisher's official version : https://doi.org/10.1016/j.fishres.2011.01.010 , Open Access version : https://archimer.ifremer.fr/doc/00027/13820/
Kervella Youen, Germain Gregory, Gaurier Benoit, Facq Jean-Valery, Cayocca Florence, Lesueur Patrick (2010). Experimental study of the near-field impact of an oyster table on the flow . European Journal of Mechanics - B/Fluids , 29(1), 32-42 . Publisher's official version : https://doi.org/10.1016/j.euromechflu.2009.09.002 , Open Access version : https://archimer.ifremer.fr/doc/00000/7389/
Pichot Geraldine, Germain Gregory, Priour Daniel (2009). On the experimental study of the flow around a fishing net . European Journal of Mechanics - B/Fluids , 28(1), 103-116 . Publisher's official version : https://doi.org/10.1016/j.euromechflu.2008.02.002 , Open Access version : https://archimer.ifremer.fr/doc/00000/4701/
Gaurier Benoit, Germain Gregory, Le Boulluec Marc, Giry Eric, Fontaine Emmanuel (2008). Experimental and numerical results on VIV and WIO . IUTAM Symposium on Fluid-Structure Interaction in Ocean Engineering , 8, 57-68 . Publisher's official version : https://doi.org/10.1007/978-1-4020-8630-4_6 , Open Access version : https://archimer.ifremer.fr/doc/00000/6584/

Conference articles

Mallat Bachar, Germain Gregory, Billard Jy, Gaurier Benoit, Facq Jean-Valery, Bacchetti Thomas (2016). Visualisation 3D du phénomène de bullage autour de deux modèles d’étraves / A 3D Visualization of the Bubble Sweep-down Phenomenon around two Ship Bow Models . Actes des 15èmes Journées de l'Hydrodynamique. 22 au 24 novembre 2016, Brest. ISSN 1161-1847. Session 4. Bulles. pp.1-12 . https://archimer.ifremer.fr/doc/00412/52332/
Carlier Clement, Pinon Gregory, Gaurier Benoit, Germain Gregory, Rivoalen Elie (2015). Numerical and experimental study of elementary interactions in marine current turbines array . Proceedings of the 11th European Wave and Tidal Energy Conference 6-11th Sept 2015, Nantes, France. pp. 09D2-4-1/ 09D2-4-8 .
Carlier Clement, Pinon Gregory, Gaurier Benoit, Germain Gregory, Rivoalen Elie (2015). A Synthetic Eddy-Method to represent the ambient turbulence in numerical simulation of marine current turbine . Proceedings of the 11th European Wave and Tidal Energy Conference 6-11th Sept 2015, Nantes, France .
Blackmore Tom, Gaurier Benoit, Myers Luc, Germain Gregory, Bahaj Abubakr (2015). The Effect of Freestream Turbulence on Tidal Turbines . Proceedings of the 11th European Wave and Tidal Energy Conference 6-11th Sept 2015, Nantes, France. pp. 08A4-4-1 / 08A4-4-8 .
Deporte Astrid, Trasch Martin, Germain Gregory, Artaux Alan, Drevet Jean-Baptiste, Davies Peter (2015). Three complementary approaches for the development of a flexible membrane tidal energy converter : analytical, experimental and numerical . Proceedings of the 11th European Wave and Tidal Energy Conference 6-11th Sept 2015, Nantes, France. pp. 07B3-4-1 / 07B3-4-9 .
Duran Medina Olmo, Schmitt F G, Calif R, Germain Gregory, Gaurier Benoit (2015). Correlation between synchronised power and flow measurements, a way to characterize turbulence effects on a marine current turbine . Proceedings of the 11th European Wave and Tidal Energy Conference 6-11th Sept 2015, Nantes, France. pp. 08B4-5-1 / 08B4-5-10 .
Delacroix Sylvain, Germain Gregory, Billard Jean-Yves, Gaurier Benoit, Facq Jean-Valery, Bacchetti Thomas (2014). Experimental study of bubbles sweep-down occurence on oceanographic research vessels . ASME 2014 - 33rd International Conference on Ocean, Offshore and Arctic Engineering. Volume 1A: Offshore Technology San Francisco, California, USA, June 8–13, 2014 .Conference Sponsors: Ocean, Offshore and Arctic Engineering Division. ISBN: 978-0-7918-4537-0. Paper No. OMAE2014-23541, pp. V01AT01A042 .

Reports

Germain Gregory, Priour Daniel, Vincent Benoit, Billard Jean-Yves, Druault Philippe, Bouhoubeiny Elkhadim, Alexandrini Bertrand, Le Touze David, Khaled Ramez, Mnassri Ilyes (2012). Compte rendu final d’exécution de l’opération dans le cadre du projet HydroPêche . RDT/HO - 41HOBL12 . https://archimer.ifremer.fr/doc/00116/22716/

Trasch M, Deporte A, Drevet Jb, Gaurier Benoit, Germain Gregory (2019). Wake characterisation of an undulating membrane tidal energy converter . In Advances in Renewable Energies Offshore: Proceedings of the 3rd International Conference on Renewable Energies Offshore (RENEW 2018), October 8-10, 2018, Lisbon, Portugal. 1st Edition. Carlos Guedes Soares (Ed.). ISBN 978-1-138-58535-5. Modelling waves. pp.143-150 (Taylor & Francis Group) .
Gaurier Benoit, Germain Gregory, Pinon G (2019). How to correctly measure turbulent upstream flow for marine current turbine performances evaluation? In Advances in Renewable Energies Offshore: Proceedings of the 3rd International Conference on Renewable Energies Offshore (RENEW 2018), October 8-10, 2018, Lisbon, Portugal. 1st Edition. Carlos Guedes Soares (Ed.). ISBN 978-1-138-58535-5. Modelling tidal currents. pp.23-30 (Taylor & Francis Group) .

Meeting abstracts

Germain Gregory, Chapeleau Antoine, Gaurier Benoit, Macadre Laura-Mae, Scheijground Peter (2017). Testing of marine energy technologies against international standards. Where do we stand ? EWTEC 2017 - European Wave and Tidal Energy Conference. 27th August to 2nd September 2017, Cork, Ireland .
Trasch Martin, Deporte Astride, Drevet Jean-Baptiste, Germain Gregory (2017). Impact of cables withdraw length on the dynamics of an undulating membrane tidal energy converter . EWTEC 2017 - European Wave and Tidal Energy Conference. 27th August to 2nd September 2017, Cork, Ireland.
Ikhennicheu Maria, Druault Philippe, Gaurier Benoit, Germain Gregory (2017). An experimental study of bathymetry influence on turbulence at a tidal stream site . EWTEC 2017 - European Wave and Tidal Energy Conference. 27th August to 2nd September 2017, Cork, Ireland.
Gaurier Benoit, Germain Gregory, Facq Jean-Valery (2017). Experimental study of the Marine Current Turbine behaviour submitted to macro-particle impacts . EWTEC 2017 - European Wave and Tidal Energy Conference. 27th August to 2nd September 2017, Cork, Ireland.


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