Penetration from high to low density physics law

As a result, another source of injuries is an impact between the inner table of the skull and the brain. Bomb was about 3 feet above the ground. National Highway Traffic Safety Administration; The outer electrons therefore experience less of an attraction to the nucleus. Management of penetrating brain injury.

For blunt impactors, the force required to penetrate the skull is dependent on the impactor mass, its acceleration and the thickness of the skull at the point of impact.

Penetration depth

The crater diameter and depth are generally calculated with empirical formulae which are established by dimensional analysis from experimental data so far. J Trauma 70 2: From Fundamental Insights to Applications. This rotation can lead to focal shear stresses and strains In silico investigation of intracranial blast mitigation with relevance to military traumatic brain injury. Additionally, most of the impact velocities of earth penetrators and armor piercing projectiles are within semifluid state range [ 5470 ], so and are the key points for dividing projectile penetration states.