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Sébastien Brisard


Researcher in materials science: theoretical and numerical homogenization, characterization of heterogeneous materials by non-destructive techniques (small-angle X-ray scattering, micro-tomography), simulation of random microstructures, image analysis.


Professional and academic experience

November 2011 – now
Research scientist at Laboratoire Navier (Université Paris-Est, Laboratoire Navier, UMR 8205, CNRS, ENPC, IFSTTAR, F-77455 Marne-la-Vallée, France)
September 2010 – October 2011
Research scientist at Ifsttar (French Institute of Science and Technology for Transport, Development and Networks, Paris, France), MACS laboratory
September 2007 – August 2010
PhD at École des Ponts ParisTech, Morphological analysis and numerical homogenization: application to cement paste, under the supervision of Prof. Dormieux (Université Paris-Est, Laboratoire Navier, UMR 8205, CNRS, ENPC, IFSTTAR, F-77455 Marne-la-Vallée, France) and Dr. Levitz (Laboratoire PHENIX (UMR 8234), Sorbonne Universités, UPMC University, CNRS, Paris, France)
March 2007 – August 2007
Visiting scholar at UC Berkeley, Characterization of the orientation of fibers by Digital Laminography in Ultra-High Performance, Fiber Reinforced Concrete, under the supervision of Prof. Monteiro
September 2003 – February 2007
Bridge engineer at Sétra (French equivalent to the American Federal Highway Administration), now Céréma.

Teaching

September 2008 – now
Assistant Professor at École des Ponts ParisTech
September 2003 – September 2008
Teaching Assistant at École des Ponts ParisTech
September 2017 – now
Plates and Shells
September 2003 – September 2017
Shells and Advanced Structures
September 2003 – September 2012
Structural Analysis

Education

November 2017
Habilitation à Diriger des Recherches (accreditation to supervise research), Université Paris-Est
January 2011
PhD in Civil Engineering, Université Paris-Est
September 2000 – August 2003
École des Ponts ParisTech (Marne-la-Vallée, France), Civil Engineering dpt.
September 1997 – August 1999
École Polytechnique (Palaiseau, France), Mechanics dpt. Final rank: 11/398.

Academic prizes

2017 Jean Mandel Prize
Delivered by Laboratoire de Mécanique des Solides (École Polytechnique) and Centre des Matériaux (Mines ParisTech) – Tied with T. Morgeneyer
2012 PhD Award
Delivered by Fondation des Ponts – Tied with N. Oppenchaim

Supervision of PhD students

The french research system requires researchers to pass the so-called HDR (habilitation to supervise research) before they can formally advise PhD students. As a consequence, I am not the formal advisor of the students listed below, even if I am involved with their research work on a weekly basis.

Othmane Zerhouni (October 2016 – now)
Solids with a microstructure: imaging, virtual multi-scale microstructures and 3D printing (advisor: K. Danas)
Vinh Hoang Tan Le (October 2016 – now)
Micromechanical modeling of cracking induced by hydromechanical stresses in heterogeneous porous materials by means of joint finite elements and inhomogeneity models with partial bonding of the interface (advisor: A. Pouya). This work has benefited from a French government grant managed by ANR within the frame of the national program Investments for the Future ANR-11-LABX-022-01.
Mohamed Hassan Khalili (October 2013 – November 2016)
Combining micro CT and DEM to study the micromechanical origins of creep of granular materials (advisor: J.-N. Roux; co-supervisors M. Bornert and J.-M. Pereira). This work has benefited from a French government grant managed by ANR within the frame of the national program Investments for the Future ANR-11-LABX-022-01.
Vinh Phuc Tran (October 2013 – October 2016)
Multiscale a priori probabilistic modelling of random heterogeneous materials (advisor: K. Sab; co-supervisor: J. Guilleminot). This work has benefited from a French government grant managed by ANR within the frame of the national program Investments for the Future ANR-11-LABX-022-01.
Yassine El Assami (February 2012 – May 2015)
Modelling time-dependent behaviour of concrete with the equivalent inclusion method (advisor: L. Dormieux)

Supervision of Post-docs

Michaël Bertin (March 2015 – February 2016)
Variance Reduction Techniques for the Homogenization of Random Materials (co-supervised with: C. Lebris and F. Legoll). This work has benefited from a French government grant managed by ANR within the frame of the national program Investments for the Future ANR-11-LABX-022-01.
Linlin Wang (September 2013 – August 2014)
ANHYMA research project (hydromechanical couplings within the clay matrix of argilites), for which I am PI (co-supervised with: M. Vandamme). This work was financially supported by Défi NEEDS MiPor.
Fatma Allouche (January 2013 – December 2013)
Methodologies and tools for the analysis of X-rays and electron tomography images – Application to nanostructured materials and geomaterials (co-supervised with: M. Bornert, N. Lenoir, E. Leroy, F. Dalmas). This work has benefited from a French government grant managed by ANR within the frame of the national program Investments for the Future ANR-11-LABX-022-01.

Reviewing activities

I have been reviewing articles for the following journals: Applied Mathematics Research Express, Archive for Rational Mechanics and Analysis, Cement and Concrete Research, Computational Materials Science, Géotechnique Letters, International Journal for Numerical and Analytical Methods in Geomechanics, International Journal for Numerical Methods in Engineering, International Journal of Solids and Structures, Journal of Computational Physics, Journal of the Mechanics and Physics of Solids, Materials and Structures, Mechanics of Materials, Zeitschrift für Angewandte Mathematik und Mechanik.

I have also been reviewing project proposals for the following funding agencies: COFECUB (French Comity for the Academic Cooperation with Brazil), NWO (Netherlands Organization for Scientific Research).

Organization of seminars, conferences, and mini-symposia

Organizer
Monthly seminar of the Multiscale research team at Navier Laboratory: http://navier.enpc.fr/Seminaire-d-equipe-Team-seminar
Co-organizer (with F. Willot)
Mini-symposium Stochastics and Material Mechanics at the 14th European Mechanics of Materials Conference, Gothenburg, Sweden (August 27–29, 2014)
Co-organizer (with S. Meulenyzer)
Workshop on Imaging of Construction Materials and Geomaterials at École des Ponts ParisTech, Marne la Vallée, France (July 7–8, 2016)
Co-organizer (with J. Yvonnet)
Mini-symposium Multiscale modeling of microstructures and their macroscopic properties at the 2016 EMI International conference, Metz, France (October 25–27, 2016)
Member of the local organizing committee
6th Biot Conference on Poromechanics at École des Ponts ParisTech, Marne la Vallée, France (July 9–13, 2017)
Member of the local organizing committee
ECCOMAS thematic conference on Computational Modeling of Complex Materials Across the Scales, Paris, France (November 7–9, 2017)


Article dans une revue20 documents

  • V.P. Tran, Sébastien Brisard, Johann Guilleminot, Karam Sab. Mori–Tanaka estimates of the effective elastic properties of stress-gradient composites. International Journal of Solids and Structures, Elsevier, 2018, 146, pp.55-68. 〈10.1016/j.ijsolstr.2018.03.020〉. 〈hal-01740741〉
  • Mohamed Hassan Khalili, Jean-Noël Roux, Jean-Michel Pereira, Sébastien Brisard, Michel Bornert. A numerical study of one-dimensional compression of granular materials: I. Stress-strain behavior, microstructure and irreversibility. Physical Review E , American Physical Society (APS), 2017, 〈10.1103/PhysRevE.95.032907〉. 〈hal-01497636〉
  • Mohamed Hassan Khalili, Jean-Noël Roux, Jean-Michel Pereira, Sébastien Brisard, Michel Bornert. A numerical study of one-dimensional compression of granular materials. II. Elastic moduli, stresses and microstructure. Physical Review E , American Physical Society (APS), 2017, 〈10.1103/PhysRevE.95.032908〉. 〈hal-01497638〉
  • Sébastien Brisard. Towards improved Hashin–Shtrikman bounds on the effective moduli of random composites. Mechanics & Industry, EDP Sciences, 2017, 18 (2), pp.214. 〈https://doi.org/10.1051/meca/2016037〉. 〈10.1051/meca/2016037〉. 〈hal-01474668〉
  • Sébastien Brisard. Reconstructing displacements from the solution to the periodic Lippmann-Schwinger equation discretized on a uniform grid. International Journal for Numerical Methods in Engineering, Wiley, 2017, 109 (4), pp.459-486. 〈10.1002/nme.5263〉. 〈hal-01304603〉
  • M.H. Khalili, Sébastien Brisard, Michel Bornert, Patrick Aimedieu, Jean-Michel Pereira, et al.. Discrete Digital Projections Correlation: a reconstruction-free method to quantify local kinematics in granular media by X-ray tomography. Experimental Mechanics, Society for Experimental Mechanics, 2017, 57 (6), 〈https://link.springer.com/article/10.1007/s11340-017-0263-5〉. 〈10.1007/s11340-017-0263-5〉. 〈hal-01474701〉
  • Nathan Mayercsik, Sébastien Brisard, Matthieu Vandamme, Kimberly Kurtis. Using Fractal Geometry to Recover the 3D Air Void, Scale-Independent, Microstructure Information From 2D Sections of Mortars. Advances in Civil Engineering Materials, ASTM, 2016, 5 (2), 〈10.1520/ACEM20150030〉. 〈hal-01425118〉
  • Luc Dormieux, Eric Lemarchand, Sébastien Brisard. Equivalent Inclusion Approach for Micromechanics Estimates of Nanocomposite Elastic Properties. Journal of Nanomechanics and Micromechanics, American Society of Civil Engineers, 2016, 6 (2), 〈10.1061/(ASCE)NM.2153-5477.0000104〉. 〈hal-01773750〉
  • V-P Tran, J Guilleminot, Sébastien Brisard, K Sab. Stochastic modeling of mesoscopic elasticity random field. Mechanics of Materials, Elsevier, 2016, 93, 〈10.1016/j.mechmat.2015.10.007〉. 〈hal-01226337〉
  • Sébastien Brisard, Luc Dormieux. Corrigendum to “Combining Galerkin approximation techniques with the principle of Hashin and Shtrikman to derive a new FFT-based numerical method for the homogenization of composites” [Comput. Methods Appl. Mech. Engrg. 217–220 (2012) 197–212]. Computer Methods in Applied Mechanics and Engineering, Elsevier, 2015, 283, pp.1587-1588. 〈10.1016/j.cma.2014.10.021〉. 〈hal-01773735〉
  • Sébastien Brisard, Luc Dormieux, Karam Sab. A variational form of the equivalent inclusion method for numerical homogenization. International Journal of Solids and Structures, Elsevier, 2014, 51 (3-4), pp.716-728. 〈10.1016/j.ijsolstr.2013.10.037〉. 〈hal-00922779〉
  • François Bignonnet, Karam Sab, Luc Dormieux, Sébastien Brisard, Antoine Bisson. Macroscopically consistent non-local modelling of heterogeneous media. Computer Methods in Applied Mechanics and Engineering, Elsevier, 2014, 278, pp.218 - 238. 〈http://www.sciencedirect.com/science/article/pii/S0045782514001753〉. 〈10.1016/j.cma.2014.05.014〉. 〈hal-01076820〉
  • Sébastien Brisard, Karam Sab, Luc Dormieux. New boundary conditions for the computation of the apparent stiffness of statistical volume elements. Journal of the Mechanics and Physics of Solids, Elsevier, 2013, 61 (12), pp.2638-2658. 〈10.1016/j.jmps.2013.08.009〉. 〈hal-00871767〉
  • Sébastien Brisard, Pierre Levitz. Small-angle scattering of dense, polydisperse granular porous media: Computation free of size effects. Physical Review E : Statistical, Nonlinear, and Soft Matter Physics, American Physical Society, 2013, 87 (1), pp.013305. 〈10.1103/PhysRevE.87.013305〉. 〈hal-00779317〉
  • Sébastien Brisard, Rosie S. Chae, Isabelle Bihannic, Laurent J. Michot, Peter Guttmann, et al.. Morphological quantification of hierarchical geomaterials by X-ray nano-CT bridges the gap from nano to micro length scales. American Mineralogist, Mineralogical Society of America, 2012, 97 (2-3), pp.480-483. 〈10.2138/​am.2012.3985〉. 〈hal-00722357〉
  • Sébastien Brisard, Luc Dormieux. Combining Galerkin approximation techniques with the principle of Hashin and Shtrikman to derive a new FFT-based numerical method for the homogenization of composites. Computer Methods in Applied Mechanics and Engineering, Elsevier, 2012, 217-220, pp.197-212. 〈10.1016/j.cma.2012.01.003〉. 〈hal-00722361〉
  • Sébastien Brisard, Luc Dormieux, Djimedo Kondo. Hashin-Shtrikman bounds on the shear modulus of a nanocomposite with spherical inclusions and interface effects. Computational Materials Science, Elsevier, 2010, 50 (2), pp.403-410. 〈10.1016/j.commatsci.2010.08.032〉. 〈hal-00539812〉
  • Sébastien Brisard, Luc Dormieux. FFT-based methods for the mechanics of composites: A general variational framework. Computational Materials Science, Elsevier, 2010, 49 (3), pp.663-671. 〈10.1016/j.commatsci.2010.06.009〉. 〈hal-00722339〉
  • Sébastien Brisard, Luc Dormieux, D. Kondo. Hashin-Shtrikman bounds on the bulk modulus of a nanocomposite with spherical inclusions and interface effects. Computational Materials Science, Elsevier, 2010, 48 (3), pp.589-596. 〈10.1016/j.commatsci.2010.02.027〉. 〈hal-00904517〉
  • Olivier Coussy, Sébastien Brisard. Prediction of drying shrinkage beyond the pore isodeformation assumption. Journal of Mechanics of Materials and Structures, Mathematical Sciences Publishers, 2009, 4 (2), pp.263-279. 〈10.2140/jomms.2009.4.263〉. 〈hal-00582519〉

Communication dans un congrès14 documents

  • Sébastien Brisard, Siavash Ghabezloo. Variational estimates of the poroelastic coefficients. Matthieu Vandamme; Patrick Dangla; Jean-Michel Pereira; Siavash Ghabezloo. 6th Biot Conference on Poromechanics, Jul 2017, Champs sur Marne, France. ASCE, Poromechanics VI: Proceedings of the Sixth Biot Conference on Poromechanics, pp.1266 - 1273, 2017, 〈https://biot2017.sciencesconf.org/〉. 〈10.1061/9780784480779.157〉. 〈hal-01561591〉
  • Sébastien Brisard, Ludovic Chamoin. Constitutive relation error for FFT-based methods. 7th European Congress on Computational Methods in Applied Sciences and Engineering - ECCOMAS 2016, Jun 2016, Crete Island, Greece. 〈hal-01583205〉
  • Sébastien Brisard. Microstructure and mechanical properties -- Polarization techniques to the rescue. Multi-scale Materials Under the Nanoscope 2016, Dec 2016, Paris, France. 2016, 〈https://m2un2016.sciencesconf.org/〉. 〈hal-01414044〉
  • M.H. Khalili, J.-N Roux, Jean-Michel Pereira, Matthieu Vandamme, Sébastien Brisard, et al.. Internal states, stress-strain behavior and elasticity in oedometrically compressed model granular materials. E. Onate; M. Bischoff; D.R.J. Owen; P. Wriggers; T. Zohdi. Particles 2015, Sep 2015, Barcelona, Spain. IV International Conference on Particle-based Methods – Fundamentals and Applications. 〈hal-01214733〉
  • Vinh Phuc Tran, Johann Guilleminot, Sébastien Brisard, Karam Sab. Homogénéisation numérique à l'aide de modèles prior de la raideur mésoscopique : identification et validation. 22ème Congrès Français de Mécanique, Aug 2015, Lyon, France. 〈http://hdl.handle.net/2042/57179〉. 〈hal-01194370〉
  • Sébastien Brisard, Matthieu Vandamme, Benoît Carrier, Linlin Wang. Hydromechanical couplings in the clay matrix of argilite: some methodological aspects of the atomistic-to-continuum upscaling. Multi-scale computational methods for bridging scales in materials and structures (EuroMech Colloquium 559), Feb 2015, Eindhoven, Netherlands. 〈hal-01194708〉
  • Sébastien Brisard. Overview of FFT-based homogenization techniques from the Galerkin point of view. Conférence Internationale de Géotechnique, des Ouvrages et Structures (CIGOS 2015), May 2015, Cachan, France. 〈hal-01194693〉
  • M.H. Khalili, Sébastien Brisard, Michel Bornert, Jean-Michel Pereira, Matthieu Vandamme, et al.. A new method for measuring grain displacements in granular materials by X-ray computed tomography. 2nd International Conference on Tomography of Materials and Structures (ICTMS 2015), Jun 2015, Quebec city, Canada. 〈hal-01194699〉
  • Vinh Phuc Tran, Johann Guilleminot, Sébastien Brisard, Karam Sab. Stochastic Analysis of Mesoscopic Elasticity Random Rields obtained by Filtering Framework. 13th US National Congress on Computational Mechanics (USNCCM13), Jul 2015, San Diego, United States. 〈hal-01194367〉
  • Vinh Phuc Tran, Sébastien Brisard, J Guilleminot, K Sab. Stress-gradient materials: an analytical exploration. Workshop on Computational Mechanics of Generalized Continua and Applications to Materials with Microstructure, Oct 2015, Catania, Italy. 2015. 〈hal-01226290〉
  • Sébastien Brisard. Towards improved Hashin–Shtrikman bounds on the effective moduli of random composites. 22ème Congrès Français de Mécanique, Aug 2015, Lyon, France. 2015, 〈http://hdl.handle.net/2042/57178〉. 〈hal-01187197〉
  • Sébastien Brisard, Ludovic Chamoin. A posteriori error estimators for FFT-based numerical techniques. MAI workshop and training session: Micromechanics of cementitious materials, Sep 2015, Ecuelles, France. 2015. 〈hal-01199166〉
  • M.H. Khalili, Sébastien Brisard, Michel Bornert, Jean-Michel Pereira, Matthieu Vandamme, et al.. New method for measuring grains displacement in granular materials by X-ray computed tomography. Modeling Granular Media Across Scales, Jul 2014, Montpellier, France. 2014. 〈hal-01137696〉
  • Sébastien Brisard, Luc Dormieux. A Galerkin approach to FFT-based homogenization methods. J. Eberhardsteiner, H.J. Böhm and F. G. Rammerstorfer. 6th European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS 2012, Sep 2012, Vienna, Austria. Vienna University, pp.1709-1718, 2012, ECCOMAS 2012 - European Congress on Computational Methods in Applied Sciences and Engineering, e-Book Full Papers. 〈hal-00738040〉

Poster1 document

  • Sébastien Brisard, Matthieu Vandamme, Benoît Carrier, Linlin Wang. Hydromechanical couplings in the clay matrix of argilite: some methodological aspects of the atomistic-to-continuum upscaling (poster). Multi-scale computational methods for bridging scales in materials and structures (EuroMech Colloquium 559), Feb 2015, Eindhoven, Netherlands. 〈hal-01194710〉

Chapitre d'ouvrage3 documents

Document associé à des manifestations scientifiques6 documents

  • Sébastien Brisard, Vinh Phuc Tran, Karam Sab, Johann Guilleminot. On stress-gradient materials: formulation and homogenization. Encounter of the third kind on generalized continua and microstructures, Apr 2018, Arpino, Italy. 2018. 〈hal-01758985〉
  • Sébastien Brisard, Siavash Ghabezloo. Variational Estimates of the Poroelastic Coefficients. 6th Biot Conference on Poromechanics, Jul 2017, Champs sur Marne, France. 2017. 〈hal-01561564〉
  • Sébastien Brisard. Beyond the classical Hashin–Shtrikman bounds: the Hashin–Shtrikman principle revisited. Séminaire du Laboratoire de Mécanique des Solides, École Polytechnique, Apr 2017, 91128 Palaiseau Cedex, France. 2017. 〈hal-01513354〉
  • Sébastien Brisard, L Chamoin. Constitutive relation error for FFT-based methods. VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016), Jun 2016, Crete Island, Greece. 2016. 〈hal-01330790v2〉
  • Sébastien Brisard. Overview of FFT-based homogenization techniques from the Galerkin point of view (slides). Conférence Internationale de Géotechnique, des Ouvrages et Structures (CIGOS 2015), Cachan, France. 2015. 〈hal-01194695〉
  • Sébastien Brisard. Towards improved Hashin–Shtrikman bounds on the effective moduli of random composites. 22ème Congrès Français de Mécanique, Aug 2015, Lyon, France. 2015. 〈hal-01187829〉

Pré-publication, Document de travail1 document

  • Sébastien Brisard, Frederic Legoll. Periodic homogenization using the Lippmann--Schwinger formalism. 2014. 〈hal-01080251〉

Rapport1 document

  • Sébastien Brisard, Luc Dormieux, Karam Sab. Self-influence and influence pseudotensors of d-dimensional spheres. 2013, pp.53. 〈hal-00876028v2〉

Thèse1 document

  • Sébastien Brisard. Analyse morphologique et homogénéisation numérique : application à la pâte de ciment. Mécanique [physics.med-ph]. Université Paris-Est, 2011. Français. 〈tel-00617356〉

HDR1 document

  • Sébastien Brisard. Mémoire d'Habilitation à Diriger des Recherches From microstructure to macroscopic properties: Some applications of the Hashin–Shtrikman principle. Mechanics of materials [physics.class-ph]. Université Paris-Est, 2017. 〈tel-01827280〉