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Université Paris-Est
Ecole des Ponts ParisTech
IFSTTAR
CNRS


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BRISARD Sébastien

Researcher
Tel : +33 (0)1 64 15 37 51
Fax : +33 (0)1 64 15 37 48
sebastien dot brisard at ifsttar dot fr
Room P021

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Research interests

  • Theoretical and numerical homogenization of the mechanical properties
  • Characterization by non-destructive techniques (small-angle X-ray scattering, micro-tomography) of heterogeneous materials
  • Simulation of random microstructures
  • Image analysis

Curriculum

  • nov. 2011 - present : researcher at IFSTTAR/Navier
  • sept. 2010 - oct. 2011 : researcher at IFSTTAR/MACS
  • sept. 2007 - aug. 2010 : PhD at Ecole des Ponts ParisTech, Navier laboratory
  • mar. 2007 - aug. 2007 : visiting scholar at the University of California in Berkeley, Civil and Environmental Engineering Department.
  • sept. 2003 - feb. 2007 : bridge engineer at Sétra

Teaching

Teaching assistant (since 2003), then Assistant Professor (since 2008) at Ecole des Ponts ParisTech for the following classes

  • Theory of Plates and Shells
  • Structural analysis (until 2012)

Supervision of PhD Students

Vinh Hoang Tan LE (oct. 2016 - ???), 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 (directeur de thèse : 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 (oct. 2013 - nov. 2016), Tracking and modelling small motions at grain scale in granular materials under compression by X-ray microtomography and discrete simulations (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 (oct. 2013 - oct. 2016), Modeling of random heteregeneous materials : from microscale to macroscale (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 (febr. 2012 - may 2015), Homogenization of non-ageing, linearly viscoelastic materials by the equivalent inclusion method : application to cementitious materials (advisor : L. Dormieux).

Supervision of Postdoctoral Fellows

Michaël BERTIN (mar. 2015 - mar. 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 (sept. 2013 - aug. 2014), ANHYMA project (hydromechanical couplings within the clay matrix of argilites) (co-supervised with : M. Vandamme). This work was financially supported by Défi NEEDS MiPor.

Fatma ALLOUCHE (jan. 2013 - dec. 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.

Organization of seminars, conferences, and mini-symposia

Publications

See also HAL.

Articles

[12] Sébastien Brisard. 2016. “Reconstructing Displacements from the Solution to the Periodic Lippmann–Schwinger Equation Discretized on a Uniform Grid.International Journal for Numerical Methods in Engineering, n/a–n/a. hal-01304603.

[11] Vinh Phuc Tran, Johann Guilleminot, Sébastien Brisard and Karam Sab. 2016. “Stochastic Modeling of Mesoscopic Elasticity Random Field.Mechanics of Materials 93 : 1–12. hal-01226337.

[10] Sébastien Brisard, Luc Dormieux and Karam Sab. 2014. “A Variational Form of the Equivalent Inclusion Method for Numerical Homogenization.International Journal of Solids and Structures 51 (3–4) : 716–28. hal-00922779.

[9] François Bignonnet, Karam Sab, Luc Dormieux, Sébastien Brisard and Antoine Bisson. 2014. “Macroscopically Consistent Non-Local Modeling of Heterogeneous Media.Computer Methods in Applied Mechanics and Engineering 278 : 218–38. hal-01076820 .

[8] Sébastien Brisard, Karam Sab and Luc Dormieux. 2013. “New Boundary Conditions for the Computation of the Apparent Stiffness of Statistical Volume Elements.Journal of the Mechanics and Physics of Solids 61 (12) : 2638–58. hal-00871767.

[7] Sébastien Brisard and Pierre Levitz. 2013. “Small-Angle Scattering of Dense, Polydisperse Granular Porous Media : Computation Free of Size Effects.Physical Review E 87 (1) : 013305. hal-00779317.

[6] Sébastien Brisard and Luc Dormieux. 2012. “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 217-220 : 197–212. hal-00722361.

[5] Sébastien Brisard, Rosie S. Chae, Isabelle Bihannic, Laurent Michot, Peter Guttmann, Jürgen Thieme, Gerd Schneider, Paulo J.M. Monteiro and Pierre Levitz. 2012. “Morphological Quantification of Hierarchical Geomaterials by X-Ray Nano-CT Bridges the Gap from Nano to Micro Length Scales.American Mineralogist 97 (2-3) : 480–83. hal-00722357.

[4] Sébastien Brisard, Luc Dormieux and Djimédo Kondo. 2010b. “Hashin–Shtrikman Bounds on the Shear Modulus of a Nanocomposite with Spherical Inclusions and Interface Effects.Computational Materials Science 50 (2) : 403–10. hal-00904517.

[3] Sébastien Brisard and Luc Dormieux. 2010a. “FFT-Based Methods for the Mechanics of Composites : A General Variational Framework.Computational Materials Science 49 (3) : 663–71. hal-00722339.

[2] Sébastien Brisard, Luc Dormieux and Djimédo Kondo. 2010. “Hashin–Shtrikman Bounds on the Bulk Modulus of a Nanocomposite with Spherical Inclusions and Interface Effects.Computational Materials Science 48 (3) : 589–96. hal-00904517.

[1] Olivier Coussy and Sébastien Brisard. 2009. “Prediction of Drying Shrinkage Beyond the Pore Isodeformation.Journal of Mechanics of Materials and Structures 4 (2) : 263–79. hal-00582519.

Conferences

[12] Sébastien Brisard and Ludovic Chamoin. 2016. “Constitutive relation error for FFT-based methods”. In : VII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016), Jun 2016, Crete Island, Greece. 2016. Slides.

[11] Vinh Phuc Tran, Sébastien Brisard, Johann Guilleminot and Karam Sab. 2015. “Stress-gradient materials : an analytical exploration”. In : Workshop on Computational Mechanics of Generalized Continua and Applications to Materials with Microstructure, Oct 2015, Catania, Italy. 2015. Slides.

[10] Mohamed Hassan Khalili, Jean-Noël Roux, Jean-Michel Pereira, Matthieu Vandamme, Sébastien Brisard and Michel Bornert. 2015. “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. In : Particles 2015, Sep 2015, Barcelona, Spain. IV International Conference on Particle-based Methods – Fundamentals and Applications. Conference paper.

[9] Sébastien Brisard and Ludovic Chamoin. 2015. “A posteriori error estimators for FFT-based numerical techniques”. In : MAI workshop and training session : Micromechanics of cementitious materials, Sep 2015, Ecuelles, France. 2015. Slides.

[8] Vinh Phuc Tran, Johann Guilleminot, Sébastien Brisard and Karam Sab. 2015. “Homogénéisation numérique à l’aide de modèles prior de la raideur mésoscopique : identification et validation”. In : 22ème Congrès Français de Mécanique, Aug 2015, Lyon, France. Conference paper.

[7] Sébastien Brisard. 2015. “Towards improved Hashin–Shtrikman bounds on the effective moduli of random composites”. In : 22ème Congrès Français de Mécanique, Aug 2015, Lyon, France. 2015. Conference paper. Slides.

[6] Vinh Phuc Tran, Johann Guilleminot, Sébastien Brisard and Karam Sab. 2015. “Stochastic Analysis of Mesoscopic Elasticity Random Rields obtained by Filtering Framework”. In : 13th US National Congress on Computational Mechanics (USNCCM13), Jul 2015, San Diego, United States. Abstract.

[5] Mohamed Hassan Khalili, Sébastien Brisard, Michel Bornert, Jean-Michel Pereira, Matthieu Vandamme and Jean-Noël Roux. 2015. “A new method for measuring grain displacements in granular materials by X-ray computed tomography”. In : 2nd International Conference on Tomography of Materials and Structures (ICTMS 2015), Jun 2015, Quebec city, Canada. Conference paper.

[4] Sébastien Brisard. 2015. “Overview of FFT-based homogenization techniques from the Galerkin point of view”. In : Conférence Internationale de Géotechnique, des Ouvrages et Structures (CIGOS 2015), May 2015, Cachan, France. Conference paper. Slides.

[3] Sébastien Brisard, Matthieu Vandamme, Benoît Carrier, Linlin Wang. 2015. “Hydromechanical couplings in the clay matrix of argilite : some methodological aspects of the atomistic-to-continuum upscaling”. In : Multi-scale computational methods for bridging scales in materials and structures (EuroMech Colloquium 559), Feb 2015, Eindhoven, Netherlands. Extended abstract. Poster.

[2] Mohamed Hassan Khalili, Sébastien Brisard, Michel Bornert, Jean-Michel Pereira, Matthieu Vandamme, Nicolas Lenoir and Jean-Noël Roux. 2014. “New method for measuring grains displacement in granular materials by X-ray computed tomography”. In : Modeling Granular Media Across Scales, Jul 2014, Montpellier, France. 2014. Abstract.

[1] Sébastien Brisard and Luc Dormieux. 2012. “A Galerkin approach to FFT-based homogenization methods”. J. Eberhardsteiner, H.J. Böhm and F. G. Rammerstorfer. In : 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. Conference paper.

Theses

Sébastien Brisard. 2011. “Analyse morphologique et homogénéisation numérique : application à la pâte de ciment”. Université Paris-Est.

Misc.

[2] Sébastien Brisard and Frédéric Legoll. 2014. “Periodic homogenization using the Lippmann—Schwinger formalism”.Working paper.

[1] Sébastien Brisard, Luc Dormieux and Karam Sab. 2013. “Self-influence and influence pseudotensors of d-dimensional spheres”. Technical report.

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