Energy-based evaluation of hardness testing with discrete element method. Both bullets pass through the window and strike the victim, one in the shoulder and the other in the head, killing him. Dianna Morris June 15, at 8: Experimental tests are usually carried out with the support of high-speed photography, which is indispensable if transient response is needed Baird, ;Salman and Gorham, ;Hopper et al. You are commenting using your Twitter account.
On the side of approach, the bullet creates a rather clean hole, while on the opposite side, a small cone-shaped plug of glass is forced out.
2 Shatter patterns of different types of glass
This feature is particularly important as potential injury and damage caused by sharp pieces of flying glass fragments can be minimized. Energy-based evaluation of hardness testing with discrete element method. Click Here for Email Subscription. Viewed through the thickness of the glass, these lines tend to curve out and away from the point of impact. However, in their research, both glass and PVB elements are of circle shapes, which resulted in non-realistic fracture patterns Figure 2. Fill in your details below or click an icon to log in: Ballistic trajectories are often part of this analysis.