The simulator incorporates {HEAD ~ a liquid/solid material} as {TAIL ~ an energy absorbing and storing spring} for simulating the force pulse on the projectile 
The simulator incorporates { HEAD ~ a liquid / solid material } as { TAIL ~ an energy absorbing and storing spring } for simulating the force pulse on the projectile
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH