During the Three-Minute Thesis (3MT) competition. Solène Kojtych, doctoral student in mechanical engineering won the 3rd jury prize as well as an amount of $150 for her presentation entitled "Optimisation de boîtes noires discontinues : application à la conception d'aubes de turbomachines robustes aux interactions de contact". Solène's research work is directed by Alain Batailly and Charles Audet.