Variational approach for mechatronic tolerancing: application to a DC motorHana Siala, Faïda Mhenni, Maher Barkallah, Jean-Yves Choley, Jamel Louati and Mohamed HaddarMechanics & Industry, 21 2 (2020) 206DOI: https://doi.org/10.1051/meca/2019056