MultiScale and Stabilized finite Element Methods for Multiphysics Problems
Computational Mechanics and Fluid Dynamics
Interface capturing and Level-Set method
Process simulation and coupling (resin infusion based processes)
High performance computing
Ongoing projects involving students (Master and PhD) and Postdocs
Multiphysics transient flows in a 3D interlock fabric modelled at the mesoscopic scale
M. Cataldi, PhD thesis : CIFRE grant Safran Aircraft Engine, co-advisors Ass. Prof. P.-J. Liotier (IMT Mines Alès), 2021- 2024
Machine learning benefit for the speed-up of transient multi-scale computations
M. Ghestin, PhD thesis : governmental funding, co-advisors Prof. J. Bruchon and Prof. S. Drapier, 2020-2023
Upscaling transient flows in fibrous multi-scale structures for infusion-based stochastic process modelling of composite structures
A. Geoffre, PhD thesis : Hexcel-Mines St-Etienne industrial chair, co-advisors Prof. J. Bruchon and Prof. S. Drapier, 2019-2022
Modelling and simulating the forming of flat stacks of a unidirectional dry reinforcement
B. Durif, PhD thesis : CIFRE grant Hexcel Reinforcements, co-advisor Prof. S. Drapier, 2019-2022
Past projects
Simulation of microwave-assisted sintering
I. Ghorbel, PhD thesis : governmental funding, co-advisors Prof. J. Bruchon and Ass. Prof. P. Ganster, 2017-2021
Computed electric field A, empty cavity, B, cavity, sample, and insulating support before resonance, C, cavity, sample, and insulating support at resonance.
(More details here).
Influence of intra-yarn flows on whole 3D woven fabric numerical permeability: from Stokes to Stokes-Darcy simulations
A. Geoffre, Master thesis in collaboration with Safran Aircraft Engine (SAE), co-advisors Ass. Prof. P.-J. Liotier (Mines Alès) and PhD Y. Wielhorski (SAE), 2019
(left) Magnitude of velocity field [mm/s] with streamlines (white lines) on the top of the cell for a pressure gradient along x axis, (right) Cross-section of a Stokes-Darcy flow within the interlock unit cell (velocity magnitude [mm/s], Kintra = 5×10−8 m2).
(More details here).
Modelling and simulating the forming of new dry automated lay-up reinforcements for aircraft primary structures
L. Bouquerel, PhD thesis : CIFRE grant Hexcel Reinforcements, co-advisors Prof. P. Boisse (LAMCOS) and Prof. S. Drapier, 2016-2019
Inter-ply sliding during the forming simulation of flat stacks of a unidirectional dry reinforcement (More details here) .
Numerical modelling of LCM precesses at the macroscopic scale by taking into account local capillary pressure during infusion stage and post-filling flows
K. Andriamananjara, , co-advisors Prof. J. Bruchon and Prof. S. Drapier, 2019
t=1500s t=3000s t=5500s
Numerical results - position of the fluid front during the filling of an orthotropic stiffener at different times (More details here).
Modeling and in situ monitoring of the resin infusion process on a new generation of reinforcement for aeronautic primary parts applications
M. Blais, Ph.D thesis, PhD thesis : CIFRE grant Hexcel Reinforcements, co-advisors Ass. Prof. P.J. Liotier and Prof. S. Drapier, 2016
Infusion condition description of a "T shaped" panel and fluid boundary conditions (left). Change in the resin flow front and pressure fields for the simulation of the "T shaped" panel infusion (right) (All details here).
Numerical simulation of dynamic wetting flows into fibrous media for macro/micro void creation issues during Liquid Composite Molding (LCM) processes
Y. Liu, Post.Doc collaboration, governmental funding , co-advisors Prof. J. Bruchon and Prof. S. Drapier, 2015
Numerical simulations of spreading drop with a contact angle of 60° (top) and 120°(bottom) over a plane substrate under surface tension effect (All details here).
Modelling of substrate depletion during the high temperature oxidation of binary alloys
E. Marrier, Ph.D thesis, governmental funding , co-advisors Ass. Prof. P. Ganster and Prof. K. Wolski, 2015
Diffusion of elements during the oxidation of an AB alloy an volume variations of the alloy/oxide (left). Concentration profiles of oxidizable element, obtained by simulating the oxidation of an X–Pt alloy with a variable X interdiffusion coefficient and a parabolic oxidation constant of 2.8x10-13 cm²/s (right) (All details here).
VMS (Variational MultiScale) stabilization for Stokes-Darcy coupled flows in porous media undergoing finite deformations: application to infusion-based composite processing
L. Abou Orm, Ph.D thesis, governmental funding, co-advisors Prof. J. Bruchon and Prof. S. Drapier, 2013
3D simulation of Stokes(top)-Darcy(bottom) flows in a complex shape part with a very low transverse permeability of the porous medium (Darcy) K = 10^−13 m^2 (All details here). Pressure distribution (left) and velocity distribution (right) for 3D simulations of a complex part (All details here).
