Materials physics and chemical physics

> Metallurgy, Structure, Rheology - Roland Logé

Relationships between metal origins, microstructure, behaviour in forming, defects and final properties. Cold, warm and hot processing. Behaviour coupled with structural evolutions when damaged, microstructural analyses, thermo-mechanic tests, multi-level DigiMicro models.

> Structures and Properties in Solidification Processing - Charles-André Gandin

Experimental studies and modelling of the origins of solidification structures of metals and polymer crystallisation in industrial processing (e.g. smelting, continuous casting, atomisation and injection moulding).
Links between the structure formed from a liquid state and its previous processing.
Objectives: identify the data necessary for mastering the use of material.

> Polymer Chemical Physics - Patrick Navard

Rheology and understanding of the influence of complex flows on the morphological organisation of natural and synthetic polymers (incompatible blends, suspensions, liquid crystal polymers). Development of rheo-optical tools. Physics and chemical physics of gels and polymer networks (at rest or in the presence of an exterior field) and polysaccharides.
      >> More details on Biomass-Based Polymer Science and Engineering Studies (.pdf)

Friction, wear, surfaces

> Surfaces and Tribology - Pierre Montmitonnet

Contact mechanics, chemical physics of surfaces and interfaces. Development and modelling of friction, wear and adhesion tests; modelling and micro-macro numerical simulation of friction, abrasive wear and lubrification. Surface analysis, physico-chemical models, molecular modelling; reactivity of surfaces and interfaces, and applications to adhesion, sticking, tribochemistry and surface functionalisation.

Computational mechanics and physics, Thermomechanics, Numerical simulation

> Rheology & Polymer processing - Bruno Vergnes

Behaviour of molten polymers and complex fluids (flow instabilities, flow in transparent dies), study of solid polymers (behaviour patterns, end use properties, damage models), experimental approach and modelling of polymer processing (extrusion, injection, coextrusion, calendering, film procesing, etc.).
      >> More details on Biomass-Based Polymer Science and Engineering Studies (.pdf)

> Thermomechanics and Plasticity - Michel Bellet

Modelling using the finite elements method of the transformation of metallic alloys. Smelting, continuous casting, forming (embossing, hydroforming), welding and thermal treatments. Study of solid-liquid and thermal-mechanical-microstructure interactions and defect prediction (necking, hot tears). Theoretical analysis: anisotropic error estimators, Eulerian-Lagrangian methods, inverse analysis. Experimental pilot set-ups (hydroforming, vacuum gravity casting and arc-welding).

> Computational Mechanics and Multiphysics - François Bay

Study and development of reliable and efficient numerical methods for modelling using finite elements, the identification of parameters and optimisation; multigrid methods; non-linear problems in solid mechanics (heterogeneous structures, assemblies, contact, damage, tear, localisation problems, hyperelasticity, etc.); multi-physical coupling (thermics, electromagnetism, chemistry, etc.); biomechanics.

Advanced computing

> Advanced Computing in Material Forming - Thierry Coupez

Numerical simulation in material forming: forging, injection, extrusion, mixing. Numerical methods: finite elements, parallel computing, meshing and mesh adaptation, and optimisation. Large deformation, free surfaces, interface, multiphase, fluid structure coupling.
Complex fluids: fillers, orientation, and viscoelasticity