Energy absorption mechanisms of nanoscopic multilayer structures under ballistic impact loading

We conducted large-scale molecular dynamics (MD) simulations of ballistic impact tests on ultrathin aluminum and polyurea layers and their multilayer arrangements to investigate the energy absorption and deformation mechanisms at the nanoscale. In contrast to the results obtained from experiments conducted at the macroscale, our nanoscale simulations demonstrate that a polymer layer on the strike face is more effective in mitigating...