Frédéric Marazzato

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Current position

Ph.D.  student in Applied Mathematics with Alexandre Ern and Karam Sab.

  • PhD program funded by CEA
  • Subject: Development of a mathematical model of fragmentation using Discrete Element Methods (PDF)

Research topics

  • Discrete Elements Methods
  • Dynamic Computational Plasticity
    • Development of a formalism to compute plasticity with Discrete Element Method: Mka3d
    • Convergence analysis for rate-dependent and anisothermal plastic models (Johson-Cook for instance)
  • Cracking (quasi-static) and Fragmentation (dynamic cracking, inertia taken into account)
    • Dynamic crack computations with Discrete Elements
    • Convergence Analysis in the quasi-static and dynamic case
  • Finite Element methods, Finite Volume Methods, Discontinuous Galerkin Methods and Gradient Schemes
  • Energy-conserving integrators for ODEs
    • Applications to Hamiltonian Dynamics
    • Applications to non-linear wave equations

Training:

  • Ecole Nationale des Ponts et Chaussées (ENPC) (2012-2016)
  • Université Pierre et Marie Curie (2015-2016)
    • My master’s thesis (Full report): here

Teaching Activities

  • Ecole Nationale des Ponts et Chaussées, Département Génie Mécanique et Matériaux (1st year of Master studies)
    • “Mise en forme du verre et comportement des céramiques” (12/16, 3h), cours: “Mise en forme des matériaux”
    • Projet de département GMM: “Dynamic plasticity computation with Discrete Elements” (6 ECTS Credits) with students: J. Aparicio Y. Benkabbour, A. Cato and P.-N. Fontaine
    • Projet de département GMM: “Shock-wave computations and crack computations with Discrete Elements” (6 ECTS Credits) with students: L. Viaillon, G. Bacquaert, E. Agouzal and E. Sedov
  • Ecole Nationale des Ponts et Chaussées, Département Génie Mécanique et Matériaux (2nd year of Master studies)
    • “Continuum Mechanics Refresher Course” (09/17, 9h), Master DMSE
    • “Continuum Mechanics Refresher Course” (09/18, 9h), Master DMSE
  • Ecole Nationale des Ponts et Chaussées, Département de 1ère année (Last year of Bachelor)
    • “Analysis and Scientific Computing” (1st semester academic year 2017-2018), Substitute Professor (12h)
    • “Analysis and Scientific Computing” (1st semester academic year 2018-2019), Assistant Professor (36h)
  • Ecole Nationale des Ponts et Chaussées, Athens Week (13-17 / 11 / 17), “Reliability of Materials and Structures” with Pr. M. Enoki (Tokyo University), (1st year of Masters), 15h
  • Université Paris-Dauphine, Département DEGEAD, LSO (1st year of Bachelor)
    • “Analyse réelle,  Optimisation libre et sous contrainte”, 2nd semester, 01/18 – 04/18, 36h

Publications

  • Frédéric Marazzato, Alexandre Ern, Christian Mariotti, Laurent Monasse. An explicit pseudo-energy conserving time-integration scheme for Hamiltonian dynamics. Accepted January 2019, CMAME. Elsevier page or hal-01661608v5