Research Scientist

Dr. Christian Roth is a Research Scientist at the Chair of Computational Modeling of Materials in Manufacturing. He joined ETH in 2015 after a postdoctoral stay at MIT’s Impact and Crashworthiness Lab. Dr. Roth received his PhD from Ecole Polytechnique in Paris for his thesis work on the effect of strain rate on ductile fracture. He came to Paris after completing his Master’s degree in Aerospace Engineering at the Bundeswehr University Munich and working as an Engineering Officer for the German Air Force. He carried out his Diploma Thesis at MIT, working on porosities in aluminum welds in collaboration with BMW. His current research is concerned with plasticity and ductile fracture under extreme conditions. Dr. Roth also holds an MBA from New Mexico State University in Las Cruces.

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Professor Vincent Grolleau joined ETH in 2017. He is a Professor at the Université de Bretagne Sub (Lorient, France) where he is a member of the IRDL laboratory, CNRS UMR 6027. He received the ‘Agrégation de Génie Mécanique’ in 1991, and obtained his PhD from Ecole Centrale de Nantes in the field of metal cutting and manufacturing of machined surfaces. His research interests focus on the development of new experimental techniques dedicated to severe testing conditions in strain rate and temperature as well as explicit damping algorithms. For example, he developed an original catapult with an instrumented projectile, a new high strain rate bulge test and the dual-hole-mini-Nakazima with dihedral punch plane strain tension experiment; he developed the Tchamwa-Wielgosz algorithm for finite element calculations. Current developments concern in-plane torsion at quasi-static and high strain rates, forming limit tests with non-proportional loading, test automation for data-driven mechanics. Among other companies, he collaborated with GazTransport Technigaz, Naval Group, Autoliv and CNES.