FEM based mathematical modelling of thrust force during drilling of Al7075-T6 Anastasios Tzotzis, César García-Hernández, José-Luis Huertas-Talón and Panagiotis Kyratsis Mechanics & Industry, 21 4 (2020) 415 Published online: 25 June 2020 DOI: 10.1051/meca/2020046