Fully scalable implementation of a volume coupling scheme for the modeling of multiscale materials

Thiago Milanetto Schlittler (1) , Régis Cottereau (1)

1 MSSMat - Laboratoire de mécanique des sols, structures et matériaux

We present in this paper a new implementation of a multi-scale, multi-model coupling algorithm, with a proposed parallelization scheme for the construction of the coupling terms between the models. This allows one to study such problems with a fully scal-able algorithm on large computer clusters, even when the models and/or the coupling have a high number of degrees of freedom. As an application example, we will consider a system composed by an homogeneous, macroscopic elasto-plastic model and an anisotropic poly-crystalline material model, with a volume coupling based on the Arlequin framework.

Mots clés: Multimodel; Multiscale; Arlequin method; FETI method; Mesh intersection search

Domaines: Matériaux et structures en mécanique [physics.class-ph]; Calcul parallèle, distribué et partagé [cs.DC]; Mécanique des matériaux [physics.class-ph]

Thiago Milanetto Schlittler, Régis Cottereau. Fully scalable implementation of a volume coupling scheme for the modeling of multiscale materials. Computational Mechanics, 2017, 60 (5), pp.827 - 844. ⟨10.1007/s00466-017-1445-9⟩. ⟨hal-01635946⟩