DEM/FEM simulation for impact response of binary granular target and projectile Shinnosuke Takeda, Kinya Ogawa, Kenichi Tanigaki, Keitaro Horikawa and Hidetoshi Kobayashi EPJ - Special Topics, 227 1-2 (2018) 73-83 Published online: 10 September 2018 DOI: 10.1140/epjst/e2018-00071-3