Polycrystalline material under creep test.

  • top left: microstructure
  • top right: equivalent strain
  • right: animation of the equivalent strain during the loading

For more details see:

P. Suquet, H. Moulinec, O. Castelnau, M. Montagnat, N. Lahellec, F. Grennerat, P. Duval, R. Brenner, Multi-scale modeling of the mechanical behavior of polycrystalline ice under transient creep, Procedia IUTAM, Vol 3, 2012, pp 76-90

For more details, see:

Pierre-Guy Vincent, Pierre Suquet, Yann Monerie, Hervé Moulinec,
« Effective flow surface of porous materials with two populations of voids under internal pressure: II. Full-field simulations« ,
International Journal of Plasticity, 56, 2014, pp 74-98, ISSN 0749-6419,

Kajetan Wojtacki, Pierre-Guy Vincent, Pierre Suquet, Hervé Moulinec, Guylaine Boittin, « A micromechanical model for the secondary creep of elasto-viscoplastic porous materials with two rate-sensitivity exponents: Application to a mixed oxide fuel« , International Journal of Solids and Structures, 184, 2020, pp 99-113,