Research

• Scientific clusters
  • MIcrostructure, Mécanique, EXpérimentation
    • MIMEX staff
    • Ongoing projects
    • Expertises and equipments
  • SImulation des Matériaux et des Structures
    • SIMS staff
    • Ongoing projects
    • Expertises and equipments
  • Surfaces, Interfaces, Procédés
    • SIP staff
    • Ongoing projects
    • Expertises and equipments
  • Transverse axis : FAMHES
    • FAMHES staff
    • Ongoing projects
    • Expertises and equipments
• Technical Divisions
  • µMAX
  • AT-JPE
  • STAR
• Partnership
• Publications
• Technology transfer
  • ZÉBULON code
• Thesis in progress
• Thesis defended

SIMS : Expertises and equipments

Development of behavior laws

• Complex loads (cyclic, anisothermic, multiaxial)
• Crystalline plasticity, single crystal, polycrystalline, elastomers, polymers
• Phase changes, precipitation, aging
• Generalized continuous media

Identification and inverse problems

• Identification of the parameters of the laws of behavior
• Dialogue tests / calculations through field measurements
• Constitution of material databases

Structural calculations

• From the laboratory test tube to the globe
• High temperature structures, life expectancy
• Components of the aerospace, automobile and nuclear industries
• Contact-friction, attrition, surface roughness

Model reduction

• Simplified calculations of lifetime
• Large size approximation tensor
• Partial mechanics of distant fields

Microstructural calculations

• Random models of microstructures, representative elementary volume
• Construction of meshes, polycrystalline aggregates, cellular materials
• Homogenization methods and models
• Evolution of microstructures by the method of phase fields

Damage, cracking, rupture

• Local approach of rupture, ductile rupture, brittle fracture
• Fatigue, fatigue-creep, fatigue-fretting
• Propagation and crack arrest, taking into account the irradiation
• Study and control of localization phenomena, regularization methods

Software development

• Z-set code Material & structure analysis suite in partnership with ONERA and SafranTech
• High Performance Computing : Large Numbers of Degrees of Freedom, Variables and Parameters
• Robust integration methods, Z-mat materials library