Stéphane Glockner

Position

• Research Engineer at I2M institute since 2003
• « Habilité à diriger des recherches » (HDR manuscript, annex, slides)

Responsabilities

• Deputy head of TREFLE  department of I2M (since 2018)
• Former head of Computational Fluid Dynamics team of TREFLE department of I2M (2009 – 2018)
• Head of the Notus project
• Member of the scientific and user commitees of the regional supercompunting center MCIA

Research interests and linked topics

• Navier-Stokes velocity / pressure methods
• Outflow boundary conditions
• Multiphase flows
• Immersed boundary methods
• Validation and Verification
• High Performance Computing
• I/O and Scientific Visualization for very large datasets

Projects

• HPC GENCI Grand Challenge on Joliot-Curie supercomputer , HPC for scale-up in supercritical fluid processes, with A.M.D. Jost and A. Erruiguible.
• ANR project Superfon « Sustainable SUPERcritical Processing of Fluorescent Organic Nanocrystals through a complementary experimental and numerical approach », Work Package WP3: Modelling and simulation of the SAS process in microfluidic device and at larger scale, with A. Erriguible (I2M) A.M.D Jost and A. Lemoine (I2M). 2017-2020.
• MicroPaGO « restitution microclimatique et morphologique des conditions de réalisation des oeuvres pariétales d’une grotte ornée de Dordogne (Lascaux) », University of Bordeaux IdEX project, with D. Lacanette, T. Milcent (I2M), 2014-2015
• « Wave attenuation by the rain », with F. Veron (Delaware), University of Bordeaux IdEX project, with L. Mieussens (Université de Bordeaux),  P. Lubin and M. Coquerelle (I2M), 2014-2015.
• « Calcul intensif pour les matériaux et l’environnement », Région Aquitaine project (leader) 2012-2016.
• « Massively Parallel Navier-Stokes Solver for Breaking Waves », regular call PRACE project of 10 millions CPU time hours on Curie supercomputer (leader), with Pierre Lubin (I2M), 2013-2014. And a « Preparatory Access » PRACE project (leader), collaboration with with N. Audiffren (CINES), 2012.
• Participation to several GENCI projects of High Performance Computing of several million CPU times hours since 2007 on TGCC and CINES supercompters.
• ANR project « MASCARET », participation with P. Lubin (I2M), H. Chanson (University of Queensland), 2010-2014.
• « Simulations numériques intensives : I/O, visualization and parallelization », Carnot-MIB project (leader), 2010.
• « Les mascarets d’Aquitaine : conditions d’existence, processus et impacts », Région Aquitaine project, with P. Lubin, 2009-2012.
•  « Qualité des espaces littoraux en Aquitaine et Pays Basque espagnol : Flux de contaminants et évolution du trait de côte », Région Aquitaine project, with P. Lubin, 2006-2009.
• « Tsunami Risk ANd Strategies For the European Region », European project, with S. Abadie and D. Morichon, Université de Pau et Pays de l’Adour, 2006-2009.
• Participation to the following benchmarks: three-dimensional mixed convection flow (with X. Nicolas, M. Médale, S. Gounand, 2009-2011), turbulent natural convection and pollutant diffusion in a two-dimensional partially partitioned cavity (with P. Joubert, P. Lubin et al.  2005), thermosolutal flows (with M. Zaloznik, C. Le Bot et al. 2012).

PhD students, Postdoctoral researchers

• Odelin Gentieu, PhD student since nov. 2019, co-direction with A. Lemoine, Numerical method for interface discontinuities.
• Antoine M.D. Jost, Post-doctoral position, sept. 2018 – feb.2020, co-direction with A. Lemoine, Numerical methods for massively parallel simulations applied to nanoparticle processing.
• Thahn Nhan Le, PhD student since nov. 2016, co-direction with M. Coquerelle, Modeling and numerical methods for macroscopic wetting flow simulations.
• A. Lemoine, Cluster CPU IdEx post-doctaral position, 2015-16, co-direction with J. Breil (CEA/CELIA), Moment-Of-Fluid method on Cartesian grids.
• J. Picot, Cluster CPU IdEx post-doctaral position, 2014-16, co-direction with T. Milcent and D. Lacanette (I2M), Immersed boundary methods on irregular Cartesian grids.
• M. Coquerelle, Cluster CPU IdEx post-doctaral position, 2014-15, director, computation of the surface tension forces in a level set framework, within the projet « Wave attenuation by the rain » in collaboration with F. Veron (Delaware), L. Mieussens (IMB), P. Lubin (I2M).
• J. Deborde, PhD student since oct. 2013, co-direction with T. Milcent and P. Lubin (I2M), Modelisation and numerical simulation of fluid/structure interaction.
• H. Ouvrard, Engineer 2013, co-direction with N. Audiffren (CINES) on parallel /IO and test of new solvers (PASTIX, HIPS).
• Alexandre Poux, PhD student 2009-12, co-direction with M. Azaiez (I2M), improvements of open and traction boundary condition for Navier-Stokes time splitting methods.
• J. Fréchot, Engineer 2009-10, Graphic User Interface of Thétis CFD code.
• E. Ahusborde, post-doctoral researcher, 2008-09, méthode de raccordement de maillages non-conformes pour la résolution des équations de Navier-Stokes, partitionnement de maillage multiblocs et couplage avec des solveurs parallèles.
• C. Romé, PhD student 2003-06, co-direction with J.P. Caltagirone, méthode de raccordement de maillages non-conforme pour la résolution des équations de Navier-Stokes.

MASTER students

Hamed Bouare, Idriss Daoudi

Movies

Direct numerical simulation of ethanol and supercritical CO2 mixing in high pressure microfluidic
reactor system – 1 billion cells, 16384 processors – Injection velocity 1m/s, co-flow velocity 9 m/s –
Concentration volume rendering (with A. Erriguible and A.M.D. Jost)

Direct numerical simulation of ethanol and supercritical CO2 mixing in high pressure microfluidic
reactor system, 300 millions cells on 3584 processors (with A. Erriguible and A.M.D. Jost).

Direct Numerical Simulation of ethanol and supercritical CO2 mixing in a large reactor (400 millions
cells, 2 days on 8192 processors), concentration volume rendering visualization
(with A. Erriguible and A.M.D. Jost).

Direct Numerical Simulation of ethanol and supercritical CO2 mixing in a large reactor (400 millions
cells, 2 days on 8192 processors), transverse component of the vorticity is mapped
on the Q criterion isosurface (with A. Erriguible and A.M.D. Jost).

Vortex filaments generated during 3D breaking waves (with P. Lubin). LES simulation of 600 millions
cells on 8192 processors. Vortex envelopes are visualized using the Q-criterion. Phase function
isosurface (blue) shows the air entrainment.

Evolution of two vortex filaments, from the touchdown of the plunger
to the beginning of the splash-up generation (with P. Lubin). They are
visualized using the phase function isosurface between air and water,
and isocontours of the vorticity (positive and negative).

 

Images

Turbulent structure identification of ethanol and supercritical CO2 mixing in a large reactor.
Vorticity is mapped on Q criterion isosurface; concentration isosurface is represented in blue
(with A. Erriguible and A.M.D. Jost).

Vortex filaments generated during 3D breaking waves (with P. Lubin)

Evolution of two vortex filaments, from the touchdown of the plunger
to the beginning of the splash-up generation (with P. Lubin)

Double driven cavity, Re = 1000
(with E. Ahusborde)

Flow around a square cylinder and open boundary conditions
(with A. Poux, M. Azaiez)

Flow around an elliptic cylinder with immersed boundary method
(with J. Picot)

Selected publications

A. M. D. Jost, S. Glockner, A. Erriguible, Direct numerical simulations of fluids mixing above mixture critical point, Submitted to Journal of Supercritical Fluids, 2020 (pdf).

A. M. D. Jost and S. Glockner, Direct forcing immersed boundary methods: Improvements to the Ghost Node Method, Submitted to Journal of Computational Physics, 2020 (pdf).

J. Picot, S. Glockner, Discretization stencil reduction of direct forcing immersed boundary methods on rectangular cells: the Ghost Node Shifting Method. Journal of Computational Physics, 364, pp18-48, 2018 (pdf).

A. Lemoine, S. Glockner, J. Breil, Moment-of-Fluid Analytic Reconstruction on 2D Cartesian Grids, Journal of Computational Physics, 328, pp131–139, 2017 (pdf).

Coquerelle, M., Glockner, S. , A fourth-order accurate curvature computation in a level set framework for two-phase flows subjected to surface tension forces, Journal of Computational Physics, 305, pp. 838-876, 2015 (pdf).

P. Lubin, S. Glockner, Numerical simulations of three-dimensional plunging breaking waves: generation and evolution of aerated vortex filaments, Journal of Fluid Mechanics, Volume 767, pp 364- 393, 2015 (pdf).

Poux, A., Glockner, S., Ahusborde, E., Azaïez, Open boundary conditions for the velocity-correction scheme of the Navier-Stokes equations, Computers and Fluids, vol. 70, pp. 29-43, 2012 (pdf).

A. Poux, S. Glockner, M. Azaiez, Improvements on open and traction boundary conditions for Navier–Stokes time-splitting methods, Journal of Computational Physics, 230, pp4011–4027, 2011 (pdf).

E. Ahusborde, S. Glockner, A 2D block-structured mesh partitioner for accurate flow simulations on non-rectangular geometries, Computers & Fluids, vol. 43, no. 1, pp. 2-13, 2011 (pdf).

Xavier Nicolas, Marc Medale, Stéphane Glockner, Stéphane Gounand, Benchmark Solution for a Three-Dimensional Mixed-Convection Flow, Part 1: Reference Solutions, Numerical Heat Transfer Part B-fundamentals, vol. 60, no. 5, pp. 325-345, 2011 (pdf).

Xavier Nicolas, Stéphane Gounand, Marc Medale, Stéphane Glockner, Benchmark Solution for a Three-Dimensional Mixed-Convection Flow, Part 2: Analysis of Richardson Extrapolation in the Presence of a Singularity, Numerical Heat Transfer Part B-fundamentals, vol. 60, no. 5, pp. 346-369, 2011 (pdf).

Pierre Lubin, Stéphane Glockner, Olivier Kimmoun, Hubert Branger, Numerical study of the hydrodynamics of regular waves breaking over a sloping beach, European Journal of Mechanics B-fluids, vol. 30, no. 6, pp. 552-564, 2011 (pdf).

Pierre Lubin, Hubert Chanson, Stéphane Glockner, Large Eddy Simulation of turbulence generated by a weak breaking tidal bore, Environmental Fluid Mechanics, vol. 10, no. 5, pp. 587-602, 2010 (pdf).

Lubin, P., Glockner, S., Chanson, Numerical simulation of a weak breaking tidal bore, Mechanics Research Communications 37 (1), pp. 119-121, 2010 (pdf).

Stéphane Abadie, Denis Morichon, Stéphan Grilli, Stéphane Glockner, Numerical simulation of waves generated by landslides using a multiple-fluid Navier–Stokes model, Coastal Engineering, vol. 57, no. 9, pp. 779-794, 2010 (pdf).

E. Ahusborde, S. Glockner, An implicit method for the Navier-Stokes equations on overlapping block-structured grids, International Journal for Numerical Methods in Fluids, vol. 62, pp 784-801, 2010 (pdf).

C. Romé, S. Glockner and J. P. Caltagirone, Resolution of the Navier–Stokes equations on block-structured meshes, International Journal for Numerical Methods in Fluids, 54:1239–1268, 2007 (pdf).

Christophe Romé, Stéphane Glockner, An implicit multiblock coupling for the incompressible Navier-Stokes equations, International Journal for Numerical Methods in Fluids, vol. 47, no. 10-11, pp. 1261-1267, 2005 (pdf).

P. Joubert, P. Le Quéré , C. Béghein, B. Collignan, S. Couturier, S. Glockner, D. Grolleau, P. Lubin, M. Musy, A. Sergent, S. Vincent, A numerical exercise for turbulent natural convection and pollutant diffusion in a two-dimensional partially partitioned cavity, Int. J. Thermal Sciences, 2005, Volume 44, Issue 4, 311-322 (pdf).