A long detailed review of multiscale functionality from Dassault Systemes (SIMULIA, BIOVIA, CATIA) has been published - https://doi.org/10.1615/IntJMultCompEng.2021040247,

Jing Bi et al., International Journal for Multiscale Computational Engineering, 19 (2021) 1-80

The paper is open access and covers various aspects of simulations from atomistic to macroscopic. Happy reading!