FEM Simulation of Non-proportional Multiaxial Fatigue Damage Milan Sága, Milan Vaško, Zuzanka Ságová, Ivan Kuric, Peter Kopas and Marian Handrik MATEC Web Conf., 357 (2022) 02006 Published online: 22 June 2022 DOI: 10.1051/matecconf/202235702006