Effect of water concentration on the shock response of polyethylene glycol diacrylate (PEGDA) hydrogels: A molecular dynamics study.

Shockwave propagation in polyethylene glycol diacrylate (PEGDA) hydrogels is simulated for the first time using nonequilibrium molecular dynamics simulations. PEGDA hydrogel models are built using the "perfect network" approach such that each crosslink junction is comprised of six chain connections. The influence of PEGDA concentration (20-70 wt%) on shock behavior is investigated for a range of particle velocities (200-1000 m/s).