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BIGNONNET François

François Bignonnet
Ph.D. Student
Tel : +33 (0)1 64 15 37 50
Fax : +33 (0)1 64 15 37 48
francois.bignonnet[at]enpc[dot]fr
Room P021

Research interests

  • Theoretical and numerical homogenization of material properties (elasticity, strength, plasticity) and fluid transfer
  • Experimental characterization of the poroelastic and transfer properties of very low permeability porous material

Curriculum

  • oct. 2014 - aug. 2015 : lecturer at Ecole Centrale de Lille
  • oct. 2011 - nov. 2014 : Ph.D. thesis at Ecole des Ponts ParisTech, Navier Laboratory and Ecole Centrale Lille, Lille Mechanics Laboratory
    "Multi-scale modeling and experimental characterization of the permeability and strength of mudrocks"
  • feb. 2010 - oct. 2011 : predoc at Ecole des Ponts ParisTech, Navier Laboratory and Ecole Centrale Lille, Lille Mechanics Laboratory
  • oct. 2009 - oct. 2010 : field engineer for Treviicos - Soletanche JV at the Wolf Creek Dam Seepage Rehabilitation Project in Jamestown, Kentucky
  • sept. 2006 - july 2009 : Master of Science and Executive Engineering, Ecole des Mines ParisTech
  • aug. 2007 - jan. 2008 : research intern at the Massachussets Institute of Technology, Department of Mechanical Engineering

Teaching

  • oct. 2014 - june 2015 : lecturer at Ecole Centrale de Lille in Materials ; Structures
  • oct. 2011 - june 2014 : teaching assistant of the Continuum Mechanics class at Ecole des Ponts ParisTech

Publications

International Journals

  • F. Bignonnet, L. Dormieux et E. Lemarchand (submitted in 2014) Strength of a matrix with elliptic criterion reinforced by rigid inclusions with imperfect interfaces. European Journal of Mechanics A/Solids.
  • F. Bignonnet, K. Sab, L. Dormieux, S. Brisard et A. Bisson (2014) Macroscopically consistent non-local modeling of heterogeneous media. Computer Methods in Applied Mechanics and Engineering, 278, 218–238.
  • F. Bignonnet et L. Dormieux (2014) FFT-based bounds on the permeability of complex microstructures. International Journal for Numerical and Analytical Methods in Geomechanics, 38 (16), 1707–1723.
  • J. Nadah, F. Bignonnet, C.A. Davy, F. Skoczylas, D. Troadec, S. Bakowski (2013) Microstructure and poro-mechanical performance of Haubourdin chalk. International Journal of Rock Mechanics & Mining Sciences, 58, 149–165.

Conference Proceedings

  • F. Bignonnet, L. Dormieux (2013) FFT-Based Homogenization of Permeability Using a Hashin-Shtrikman Type Variational Framework. In : C. Hellmich, B. Pichler, D. Adam (Eds.) Poromechanics V : Proceedings of the Fifth Biot Conference on Poromechanics, Vienna, July 10-12th, pp. 1245-1254.
  • F. Bignonnet, L. Dormieux (2012) Détermination de bornes numériques par FFT pour la perméabilité. In : F. Skoczylas, C.A. Davy, F. Agostini, N. Burlion (Eds.) Transfert 2012, Colloque national sur les propriétés de transfert des géomatériaux, Lille, 20-22 Mars 2012. - ISBN : 978-2-915913-28-6, pp. 263-272.

Mots-clés

multi-échelles

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