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