Numerical modeling of shape memory alloy problem in presence of perturbation: application to Cu-Al-Zn-Mn specimenFatma Abid, Abdelkhalak Elhami, Tarek Merzouki, Hassen Trabelsi, Lassaad Walha and Mohamed HaddarInt. J. Simul. Multidisci. Des. Optim., 10 (2019) A7DOI: https://doi.org/10.1051/smdo/2019004