Modelling of composite materials energy by fiber bundle model Siham Boufass, Ahmed Hader, Mohammed Tanasehte, Hicham Sbiaai, Imad Achik and Yahia Boughaleb Eur. Phys. J. Appl. Phys., 92 1 (2020) 10401 Published online: 02 October 2020 DOI: 10.1051/epjap/2020200179