Sébastien Brisard
83
Documents
Researcher identifiers
sbrisard
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0000-0002-1976-6263
- Google Scholar : https://scholar.google.fr/citations?user=IwlAZnAAAAAJ&hl=en
- IdRef : 156172283
Presentation
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.
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Professional and academic experience
====================================
November 2011 – now Research scientist at [Laboratoire Navier](https://navier.enpc.fr/ "Laboratoire Navier") (Laboratoire Navier, Ecole des Ponts, Univ Gustave Eiffel, IFSTTAR, CNRS, Marne-la-Vallée, France)
September 2010 – October 2011 Research scientist at [Ifsttar](http://www.ifsttar.fr/accueil/ "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](https://www.enpc.fr/ "École des Ponts ParisTech"), *Morphological analysis and numerical homogenization: application to cement paste*, under the supervision of Prof. Dormieux (Laboratoire Navier, Ecole des Ponts, Univ Gustave Eiffel, IFSTTAR, CNRS, 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](https://www.cerema.fr/)
Teaching
========
September 2018 – now Professor at [École des Ponts ParisTech](https://www.enpc.fr/ "École des Ponts ParisTech")
September 2008 – June 2018 Assistant Professor at [École des Ponts ParisTech](https://www.enpc.fr/ "École des Ponts ParisTech")
September 2003 – September 2008 Teaching Assistant at [École des Ponts ParisTech](https://www.enpc.fr/ "École des Ponts ParisTech")
September 2019 – now *Continuum Mechanics* ([École des Ponts ParisTech](https://www.enpc.fr/ "École des Ponts ParisTech"), Prof. L. Dormieux)
September 2018 – January 2021 *Introduction to non-linear structural analysis with Finite Elements using FEniCS* (Prof. C. Maurini, [M2 Modélisation and simulation at Sorbonne Université](http://master.spi.sorbonne-universite.fr/fr/mecanique-des-solides-et-des-structures/m2-modelisation-et-simulation-en-mecanique-des-solides-et-des-structures.html))
September 2017 – now *Plates and Shells* ([École des Ponts ParisTech](https://www.enpc.fr/ "École des Ponts ParisTech"))
September 2003 – September 2017 *Shells and Advanced Structures* ([École des Ponts ParisTech](https://www.enpc.fr/ "École des Ponts ParisTech"))
September 2003 – September 2012 *Structural Analysis* ([École des Ponts ParisTech](https://www.enpc.fr/ "École des Ponts ParisTech"))
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](https://www.enpc.fr/ "École des Ponts ParisTech") (Marne-la-Vallée, France), Civil Engineering dpt.
September 1997 – August 1999 [École Polytechnique](http://www.polytechnique.edu "École Polytechnique") (Palaiseau, France), Mechanics dpt. Final rank: 11/398.
Academic prizes
===============
2017 Jean Mandel Prize Delivered by [Laboratoire de Mécanique des Solides](https://portail.polytechnique.edu/lms/fr/ "LMS") ([École Polytechnique](http://www.polytechnique.edu "École Polytechnique")) and [Centre des Matériaux](http://www.mat.mines-paristech.fr/) ([Mines ParisTech](http://www.mines-paristech.fr/)) – Tied with T. Morgeneyer
2012 PhD Award Delivered by [Fondation des Ponts](http://www.fondationdesponts.fr/) – Tied with N. Oppenchaim
Supervision of PhD students
===========================
Trung Hieu Nguyen (October 2020 – now) *Development of bio-based epoxy resin in-situ foaming by the chemical imprisonment of the foaming agent for elasto-acoustic and thermal isolation applications* (advisor: [C. Perrot](http://msme.u-pem.fr/equipe-mecanique/meca/perrot-camille/); co-supervisors: [A. Ríos de Anda](http://www.icmpe.cnrs.fr/spip.php?article2021), F. Detrez, M. Bornert)
Antoine Martin (October 2019 – now) *Multiphysical homogenization of fiber reinforced concrete: simplified models and numerical simulations* (supervisor: K. Sab)
Othmane Zerhouni (October 2016 – November 2019) *A study on the effective elastic properties of materials with microstructure: 3D printing, experiments and numerics* (advisor: [K. Danas](http://www.kostasdanas.com/))
Vinh Hoang Tan Le (October 2016 – October 2019) *Micromechanical modelling of interface cracking in heterogeneous materials* (advisor: [A. Pouya](https://navier.enpc.fr/POUYA-Ahmad?lang=en)). 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) [Tracking and modelling small motions at grain scale in granular materials under compression by X-Ray microtomography and discrete simulations](https://tel.archives-ouvertes.fr/tel-01547810) (advisor: [J.-N. Roux](https://navier.enpc.fr/ROUX-Jean-Noel); co-supervisors [M. Bornert](https://navier.enpc.fr/BORNERT-Michel) and [J.-M. Pereira](https://navier.enpc.fr/~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) [Stochastic modeling of random heterogeneous materials](https://tel.archives-ouvertes.fr/tel-01518585) (advisor: [K. Sab](https://navier.enpc.fr/SAB-Karam); co-supervisor: [J. Guilleminot](http://cee.duke.edu/faculty/johann-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) [Homogenization of non-ageing, linear, viscoelastic materials with the equivalent inclusion method: application to cementitious materials](https://tel.archives-ouvertes.fr/tel-01235752) (advisor: [L. Dormieux](https://navier.enpc.fr/DORMIEUX-Luc))
Supervision of Post-docs
========================
Othmane Zerhouni (February 2020 – January 2021) *Numerical characterization of the porous network for a better quantification of petrophysical and acoustical properties and more accurate interpretation of geophysical inversion models for reservoirs in carbonate rocks* (co-supervised with [K. Danas](http://www.kostasdanas.com/), E. Poli (Total) and C. Planteblat (Modis))
Michaël Bertin (March 2015 – February 2016) *Variance Reduction Techniques for the Homogenization of Random Materials* (co-supervised with: [C. Lebris](http://cermics.enpc.fr/~lebris/) and [F. Legoll](https://navier.enpc.fr/LEGOLL-Frederic)). 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](https://navier.enpc.fr/~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](https://navier.enpc.fr/BORNERT-Michel), 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, Composites Communications, Comptes Rendus Mécanique, Computational Materials Science, Géotechnique Letters, Granular Matter, 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, Journal of Theoretical, Computational and Applied Mechanics, Materials and Structures, Mechanics of Materials, Proceedings of the Royal Society A, Rock Mechanics and Rock Engineering, 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
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- Organizer of the monthly seminar of the *Multiscale* research team at Navier (2013–2018) Laboratory:
<http://navier.enpc.fr/Seminaire-d-equipe-Team-seminar>
- Co-organizer (with F. Willot) of a 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) of a 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) of a mini-symposium on *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 of the *6th Biot Conference on Poromechanics* at École des Ponts ParisTech, Marne la Vallée, France (July 9–13, 2017)
- Member of the local organizing committee of the ECCOMAS thematic conference on *Computational Modeling of Complex Materials Across the Scales*, Paris, France (November 7–9, 2017)
- Co-organizer (with M. Bornert, F. Auslender and R. Masson) of a mini-symposium *Approches multi-échelles en mécanique des solides* at the *24ième Congrès Français de Mécanique*, Brest, France (August 26–30, 2019)
Participation to boards – Other services to the community
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- Member of the scientific board of the [Groupe de travail « Mécanique Théorique »](http://mecatheo.ida.upmc.fr/)
- Co-organization (with A. Batou) of the *Approches probabilistes en mécanique* sub-group at [Fédération Francilienne de Mécanique](http://www.f2m.cnrs.fr/)
- Elected member at the Navier’s Laboratory Board
- Elected member at the Teaching and Research Board at École des Ponts ParisTech (2012–2018)
- Strong involvement in the working group on pedagogy at École des Ponts ParisTech
- Maintainer of the `doubs` computing server:
<http://navier.enpc.fr/Multi-scale-computing-resources>
Involvement in open or collaborative projects
=============================================
- I maintain a blog dealing with scientific computing, micromechanics and imaging:
<https://sbrisard.github.io/>
- All my codes are freely available:
<https://github.com/sbrisard>
- In particular, I am the main developer of the `Janus` project (FFT-based numerical homogenization):
<https://github.com/sbrisard/janus>
- `Janus` is to be replaced in a near future by `Scapin` (under active development):
<https://github.com/sbrisard/Scapin.jl>
Publications
- 69
- 16
Cracks at the interface of circular inclusions: propagation and homogenizationRencontres franciliennes de mécanique 2021, May 2021, Palaiseau, France
Conference papers
hal-03224508v1
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On the spatial discretization of the Lippmann–Schwinger equationColloque national mécamat 2021 – Semaine des GT, Jan 2021, Aussois, France
Conference papers
hal-03135662v1
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Energies and forces during pole vault flightSports Physics 2021, Dec 2021, Lyon, France
Conference papers
hal-03703748v1
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Un modèle non-linéaire d'actuateur en flexion pour robots mous24ième rencontre du non-linéaire, Mar 2021, Université de Paris, France
Conference papers
hal-03251096v1
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An overview of FFT-based techniques for numerical homogenizationSéminaire du Centre de Recherche de l'École de l'Air, Sep 2020, Salon de Provence, France
Conference papers
hal-02954164v1
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Méthodes MsFEM pour les plaques hétérogènesCFM 2019 - 24ème Congrès Français de Mécanique, Aug 2019, Brest, France
Conference papers
hal-02274963v1
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Quelques bonnes pratiques de développement logicielSéminaire Calcul numérique et outils informatiques du Laboratoire Navier, Nov 2019, Champs sur Marne, France. 49 p
Conference papers
hal-02384461v1
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Pertes de symétrie lors de la propagation de fissures à l’interface entre la matrice et une inclusion circulaireCFM 2019 - 24ème Congrès Français de Mécanique, Aug 2019, Brest, France
Conference papers
hal-02560373v1
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On stress-gradient materials: formulation and homogenizationEncounter of the third kind on generalized continua and microstructures, Apr 2018, Arpino, Italy
Conference papers
hal-01758985v1
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Variational estimates of the poroelastic coefficients6th Biot Conference on Poromechanics, École des Ponts ParisTech; Ifsttar; CNRS, Jul 2017, Champs sur Marne, France. pp.1266 - 1273, ⟨10.1061/9780784480779.157⟩
Conference papers
hal-01561591v1
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Beyond the classical Hashin–Shtrikman bounds: the Hashin–Shtrikman principle revisitedSéminaire du Laboratoire de Mécanique des Solides, École Polytechnique, Apr 2017, 91128 Palaiseau Cedex, France
Conference papers
hal-01513354v1
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Variational Estimates of the Poroelastic Coefficients6th Biot Conference on Poromechanics, Jul 2017, Champs sur Marne, France
Conference papers
hal-01561564v1
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Constitutive relation error for FFT-based methods7th European Congress on Computational Methods in Applied Sciences and Engineering - ECCOMAS 2016, Jun 2016, Crete Island, Greece
Conference papers
hal-01583205v1
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Microstructure and mechanical properties -- Polarization techniques to the rescueMulti-scale Materials Under the Nanoscope 2016, GDRI M2UN, Dec 2016, Paris, France
Conference papers
hal-01414044v1
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Constitutive relation error for FFT-based methodsVII European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2016), Jun 2016, Crete Island, Greece
Conference papers
hal-01330790v2
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Homogénéisation numérique à l'aide de modèles prior de la raideur mésoscopique : identification et validation22ème Congrès Français de Mécanique, Aug 2015, Lyon, France
Conference papers
hal-01194370v1
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Towards improved Hashin–Shtrikman bounds on the effective moduli of random composites22ème Congrès Français de Mécanique, Association Française de Mécanique (AFM), Aug 2015, Lyon, France
Conference papers
hal-01187197v1
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A posteriori error estimators for FFT-based numerical techniquesMAI workshop and training session: Micromechanics of cementitious materials, Materials Ageing Institute (MAI), Sep 2015, Ecuelles, France
Conference papers
hal-01199166v1
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Stochastic Analysis of Mesoscopic Elasticity Random Rields obtained by Filtering Framework13th US National Congress on Computational Mechanics (USNCCM13), Jul 2015, San Diego, United States
Conference papers
hal-01194367v1
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A new method for measuring grain displacements in granular materials by X-ray computed tomography2nd International Conference on Tomography of Materials and Structures (ICTMS 2015), INRS-ETE, Jun 2015, Quebec city, Canada
Conference papers
hal-01194699v1
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Hydromechanical couplings in the clay matrix of argilite: some methodological aspects of the atomistic-to-continuum upscalingMulti-scale computational methods for bridging scales in materials and structures (EuroMech Colloquium 559), EuroMech; Technische Universiteit Eindhoven; Université Paris-Est Marne-la-Vallée; University of Stuttgart, Feb 2015, Eindhoven, Netherlands
Conference papers
hal-01194708v1
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Internal states, stress-strain behavior and elasticity in oedometrically compressed model granular materialsParticles 2015, Sep 2015, Barcelona, Spain
Conference papers
hal-01214733v1
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Towards improved Hashin–Shtrikman bounds on the effective moduli of random composites22ème Congrès Français de Mécanique, Aug 2015, Lyon, France
Conference papers
hal-01187829v1
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Overview of FFT-based homogenization techniques from the Galerkin point of view (slides)Conférence Internationale de Géotechnique, des Ouvrages et Structures (CIGOS 2015), 2015, Cachan, France
Conference papers
hal-01194695v1
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Stress-gradient materials: an analytical explorationWorkshop on Computational Mechanics of Generalized Continua and Applications to Materials with Microstructure, The François COSSERAT–Tullio LEVI CIVITA (Coss &Vita) International Associated Laboratory, Oct 2015, Catania, Italy
Conference papers
hal-01226290v1
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Overview of FFT-based homogenization techniques from the Galerkin point of viewConférence Internationale de Géotechnique, des Ouvrages et Structures (CIGOS 2015), ENS Cachan, May 2015, Cachan, France
Conference papers
hal-01194693v1
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New method for measuring grains displacement in granular materials by X-ray computed tomographyModeling Granular Media Across Scales, Jul 2014, Montpellier, France
Conference papers
hal-01137696v1
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A Galerkin approach to FFT-based homogenization methods6th European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS 2012, Sep 2012, Vienna, Austria. pp.1709-1718
Conference papers
hal-00738040v1
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From projections to small-angle scattering : Artifacts induced by polychromatic cone-beams5th International Conference on Tomography of Materials and Structures (ICTMS 2022), Jun 2022, Grenoble, France
Conference poster
hal-03745847v1
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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
Conference poster
hal-01194710v1
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Classical Plate ProblemsHolm Altenbach; Andreas Öchsner. Encyclopedia of continuum mechanics, Springer, 2017, Section on Plates, 978-3-662-53605-6. ⟨10.1007/978-3-662-53605-6_133-1⟩
Book sections
hal-01685049v1
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3D Derivations of Static Plate TheoriesHolm Altenbach; Andreas Öchsner; Karam Sab. Encyclopedia of Continuum Mechanics, Springer, 2017, Section on plates, 978-3-662-53605-6. ⟨10.1007/978-3-662-53605-6_132-1⟩
Book sections
hal-01711973v1
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Direct Derivation of Plate TheoriesHolm Altenbach; Andreas Öchsner. Encyclopedia of Continuum Mechanics, Springer, 2017, Section on plates, 978-3-662-53605-6. ⟨10.1007/978-3-662-53605-6_131-1⟩
Book sections
hal-01685053v1
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Introduction to FFT-based numerical methods for the homogenization of random materials2022
Preprints, Working Papers, ...
hal-03631887v1
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Periodic homogenization using the Lippmann--Schwinger formalism2014
Preprints, Working Papers, ...
hal-01080251v1
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Self-influence and influence pseudotensors of d-dimensional spheres2013, pp.53
Reports
hal-00876028v2
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Analyse morphologique et homogénéisation numérique : application à la pâte de cimentMécanique [physics.med-ph]. Université Paris-Est, 2011. Français. ⟨NNT : ⟩
Theses
tel-00617356v1
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Mémoire d'Habilitation à Diriger des Recherches From microstructure to macroscopic properties: Some applications of the Hashin–Shtrikman principleMechanics of materials [physics.class-ph]. Université Paris-Est, 2017
Habilitation à diriger des recherches
tel-01827280v1
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