Stéphane Glockner

Position

• Research Engineer at I2M institute since 2003
• « Habilité à diriger des recherches » since 2018 (HDR manuscript, annex, slides)

Responsabilities

• Head of  TREFLE  department of I2M (since 2021)
• Former head of Computational Fluid Dynamics team of TREFLE department of I2M (2009 – 2018)
• Head of the Notus project
• Member of the scientific committe and manager of the user committees of the regional supercomputing 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

Peer reviewed projects

• « HPC for scale-up in supercritical fluid processes », HPC GENCI Grand Challenge on Joliot-Curie supercomputer, with A.M.D. Jost and A. Erruiguible, 2019-2020.
• « Sustainable SUPERcritical Processing of Fluorescent Organic Nanocrystals through a complementary experimental and numerical approach », ANR project SUPERFON, 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.
• « Microclimatic and morphological restitution of the conditions of realization of the parietal works of an ornate cave of Dordogne (Lascaux) », University of Bordeaux IdEX project, with D. Lacanette, T. Milcent (I2M), 2014-2015
• « Wave attenuation by the rain », University of Bordeaux IdEX project, with F. Veron (Delaware), L. Mieussens (Université de Bordeaux),  P. Lubin and M. Coquerelle (I2M), 2014-2015.
• « High performance computing for materials and coastal environement », 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. Associated « Preparatory Access » PRACE project (leader), collaboration 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.
• « Tidal Bore », ANR project, participation with P. Lubin (I2M), H. Chanson (University of Queensland), 2010-2014.
• « Advanced simulations : I/O, visualization and parallelization », Carnot-MIB project (leader), 2010.
• « Aquitaine’s tidal bore: existence conditions, processes and impacts », Région Aquitaine project, with P. Lubin, 2009-2012.
•  « Quality of coastal areas in Aquitaine and the Spanish Basque Country: Contaminant flows and evolution of the coastline », 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.

PhD, Postdoctoral researchers

• Fabien Salmon, Post-doctoral position since jan. 2021, co-direction with A. Lemoine, D. Lacanette, HPC applied to micro climate simulations in Lascaux decorated cave.
• Odelin Gentieu, PhD student since nov. 2019, co-direction with A. Lemoine, Numerical method for interface discontinuities.
• Antoine M.D. Jost, Post-doctoral position, 09/2018 – 02/2020, 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, Immersed boundary methods on irregular Cartesian grids.
• M. Coquerelle, Cluster CPU IdEx post-doctaral position, 2014-15, Computation of the surface tension forces in a level set framework.
• 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), 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, Implicit method for the Navier-Stokes equations on overlapping block-structured grids, mesh partitioner for accurate flow simulations on non-rectangular geometries.
• C. Romé, PhD student 2003-06, co-direction with J.P. Caltagirone, Implicit method for the Navier-Stokes equations on overlapping block-structured grids.

MASTER Students

Hamed Bouare, Idriss Daoudi

Movies

Direct numerical simulation of ethanol and supercritical CO2 mixing in high pressure milli-fluidic system (11 billion cells, 131 072 processors) –
Injection velocity 3m/s, co-flow velocity 5.61 m/s, external diameter 1.5 mm – 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 – 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.

 

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 and S. Glockner, Direct forcing immersed boundary methods: Improvements to the Ghost Node Method, Journal of Computational Physics, volume 438, 110371, 2021 (pdf).

S. Bordere, Glockner, S., Numerical modeling of diffusion-controlled phase transformation using the Darken method: Application to the dissolution/precipitation processes in materials, Computational Materials Science, 186, 109944, 2021 (pdf).

A. M. D. Jost, S. Glockner, A. Erriguible, Direct numerical simulations of fluids mixing above mixture critical point, Journal of Supercritical Fluids, Volume 165, 104939, 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).