Response of a polystyrene foam subjected to large strains and high pressures G.R. Johnson, T.J. Holmquist, S. Chocron and N.L. Scott EPJ - Special Topics, 227 1-2 (2018) 61-71 Published online: 10 September 2018 DOI: 10.1140/epjst/e2018-00072-8