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Optimization of manufacturing processes

Modeling / simulation of material shaping process

More specifically, this involves designing and semi-automatically generating robust and optimized models of product / process / material interaction, respecting all of the business knowledge linked to the manufacture of formalized products from project memories and of expert know-how. The knowledge thus identified will make it possible to complete the different sets of parameters (functional and specific) respecting all the expert business rules, developed within the framework of the first research axis, by parameters and rules rather oriented towards numerical modeling / simulation of the Product-Process-Material interaction. This knowledge is then interfaced to multi-objective and / or multidisciplinary optimization algorithms by applying new hybrid optimization methods developed to be adapted to specific applications of simulation of highly non-linear behaviors such as simulation and optimization. materials shaping processes (extrusion, injection, clinching, stamping, etc.). The first part of this research work focuses more specifically on:

  • advanced modeling of the physical phenomena encountered during the shaping of materials (large inelastic deformations, in general accompanied by high deformation rates, high temperatures, severe friction). This is to allow modeling with high predictive potential.
  • the development of new hybrid optimization algorithms that we have interfaced directly with finite element calculation software to allow the resolution of strongly non-linear problems (the shaping of materials), while integrating advanced design methods: rules professions, configuration of geometric models and knowledge-based engineering

Development of biomaterials for eco-design

This research axis is positioned in the field of bio-composite development by thermomechanical fractionation of non-food plant biomass (fibers and agro-industrial residues) from the raw material production sectors, for the lightening of mechanical structures for use in the building or transport. The main objective is therefore to develop new bio-sourced materials, to quantify their mechanical properties and to define new economic models for the new production chains of raw materials, for various applications in the building or deconstruction of vehicles.


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