Gregory Germain

Gregory Germain

Scientist

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

2019

Ikhennicheu Maria, Germain Gregory, Gaurier Benoit (2019). Experimental database of the flow past a wall-mounted square cylinder . SEANOE . https://doi.org/10.17882/59027

2018

Gaurier Benoit, Ordonez-Sanchez Stéphanie, Germain Gregory, Facq Jean-Valery, Johnstone Cameron, Salvatore Francesco, Santic Ivan (2018). MaRINET2 Tidal "Round Robin" dataset: comparisons between towing and circulating tanks test results for a tidal energy converter submitted to wave and current interactions . SEANOE . https://doi.org/10.17882/58265
Gaurier Benoit, Germain Gregory, Facq Jean-Valery, Bacchetti Thomas, Duran-Medina Olmo (2018). Experimental measurements of a synchronized flow velocity and a marine current turbine power production . SEANOE . https://doi.org/10.17882/57844
Gaurier Benoit, Germain Gregory, Facq Jean-Valery, Day Sandy, Johnstone Cameron, Di Felice Fabio, Costanzo Marcello (2018). Towing and circulating tanks tidal energy converter test results . SEANOE . https://doi.org/10.17882/57450
Gaurier Benoit, Germain Gregory, Facq Jean-Valery, Bacchetti Thomas, Baudet Lætitia, Birades Michel (2018). Marine growth effects on the hydrodynamical forces of a circular cylinder . SEANOE . https://doi.org/10.17882/58038
Gaurier Benoit, Germain Gregory, Facq Jean-Valery, Bacchetti Thomas, Carlier Clement, Pinon Grégory (2018). Three tidal turbines in interaction: an experimental data-set on wake and performances . SEANOE . https://doi.org/10.17882/58149


Bibliography

Articles

Ikhennicheu Maria, Germain Gregory, Druault Philippe, Gaurier Benoit (2019). Experimental study of coherent flow structures past a wall-mounted square cylinder . Ocean Engineering , 182, 137-146 . https://doi.org/10.1016/j.oceaneng.2019.04.043
Knoery Joel, Cossa Daniel, Thomas Bastien, Germain Gregory, Rigaud Sylvain Susane , a device for sampling chemical gradients in the benthic water column . Limnology and Oceanography: Methods IN PRESS . https://doi.org/10.1002/lom3.10317
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
Guillou Sylvain, Filipot Jean-Francois, Thiebot Jérôme, Germain Gregory, Chaplain Nicolas, Ikhennicheu Maria, Duarte Rui, Gaurier Benoit, Bourgoin Adrien, Mercier Philippe, Ata Riadh, Laverne Jérôme, Benhamadouche Sofiane, Pieterse Aline, Maisondieu Christophe, Poizot Emmanuel, Poirier Jean-Charles, Auvray Cedric, Droniou Elois, Arramounet Valentin, Pinon Grégory (2019). Towards a turbulence characterization in tidal energy sites. First results of THYMOTE project . MATEC Web of Conferences , 261(05002), 3p. Publisher's official version : https://doi.org/10.1051/matecconf /201926105002 , Open Access version : https://archimer.ifremer.fr/doc/00479/59091/
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
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, 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 . Publisher's official version : https://doi.org/10.1016/j.oceaneng.2017.11.041 , Open Access version : https://archimer.ifremer.fr/doc/00412/52329/
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 . Publisher's official version : https://doi.org/10.1016/j.oceaneng.2017.11.002 , Open Access version : https://archimer.ifremer.fr/doc/00411/52205/
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/
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/
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/
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/
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, 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/

Proceedings paper

Gaurier Benoit, Ikhennicheu Maria, Druault Philippe, Germain Gregory, Facq Jean-Valery, Pinon Grégory (2018). Experimental study of the wake of a wide wall-mounted obstacle on the behaviour of a marine current turbine . Actes des 16èmes Journées de l'Hydrodynamique - JH 2018. 27-29 novembre 2018, Marseille. Session 12 : Posters. 10p. https://archimer.ifremer.fr/doc/00482/59334/
Ikhennicheu Maria, Germain Gregory, Druault Philippe, Gaurier Benoit (2018). Experimental analysis of the wake past wide wall-mounted obstacles . Actes des 16èmes Journées de l'Hydrodynamique - JH 2018. 27-29 novembre 2018, Marseille. Session 10 : Interactions vagues-courant - Sillages. 11p. https://archimer.ifremer.fr/doc/00482/59336/
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/
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 .
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 .
Carlier Clement, Pinon Grégory, 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 Grégory, 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 .
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 .
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

Gaurier Benoit, Germain Gregory, Facq Jean-Valery, Bacchetti Thomas (2018). Wave and current flume tank of IFREMER at Boulogne-sur-mer. Description of the facility and its equipment . 19CSMBL18 . https://doi.org/10.13155/58163
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) . https://archimer.ifremer.fr/doc/00461/57308/

Meeting abstracts

Ikhennicheu Maria, Germain Gregory, Gaurier Benoit, Druault Philippe (2018). Experimental study of the wake past cubic wall-mounted elements to predict flow variations for tidal turbines . AWTEC 2018 - 4th Asian Wave and Tidal Energy Conference. September -13 2018, Taipei, Taiwan .
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.
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.
Germain Gregory, Chapeleau Antoine, Gaurier Benoit, Macadré Laura-Maé, 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 .
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.


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