My research focuses on modelling of coupled multiphysics phenomena applied to materials engineering, fluid/solid mechanics and process simulation.
The aim of my research is the development of robust mathematical models and numerical tools (i.e. MultiScale and Stabilized finite Element Method) for modelling/understanding direct elaboration processes and the resulting structures / microstructures.
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Simulation examples
Flow simulations within numerically-generated random fibrous microstructures [doi] ( FE code).3D-simulation of the filling stage of a Liquid Resin Infusion (LRI) process with (purple) and without (green) consideration of capillary forces [doi] ( FE code).Drop evolution with a contact angle of 120° (left) and 60° (right) over a plane substrate [doi] ( FE code)3D spreading of a droplet on a textured surface ( FE code).Fiber volume fraction (Vf) and resin pressure in fluid (distribution medium) / porous (preforms) regions during the infusion of a slice of stiffened panel [doi] ( FE code).
Upscaling transient flows in fibrous multi-scale structures for infusion-based stochastic process modelling of composite structures, PhD thesis of A. Geoffre (2019-2022), Hexcel-Mines St-Etienne industrial chair.
Modelling and simulating the forming of flat stacks of a unidirectional dry reinforcement, PhD thesis of B. Durif (2019-2022), CIFRE grant Hexcel Reinforcements.
Machine learning benefit for the speed-up of transient multi-scale computations, PhD thesis of M. Ghestin (2020-2023), governmental funding.
Teaching
Teachings were given from the beginning of my PhD thesis for 1st year, 2nd year and 3rd year students of the Ecole des Mines de Saint-Étienne. Courses for 3rd year students are also for M.Sc. level. The topics of courses and tutorials deal with mechanics, computational mechanics and finite element methods.
FE code).
