The work describes chosen problem connected with using of armoured personnel carriers (APC) in the frame of
military operations. The soldiers inside the APC are exposed to dynamic loads and shock which are, among other
things, an effect of collision with other vehicle or terrain obstacles. In military vehicles, which design is based on a
rigid frame or integral body, there is no technical solution to mitigate the effects of a crash. The only applicable
means of protection against the effects of collisions are lap belts and helmet designed to protect the head. Preliminary
research shows that this kind of equipment is not sufficient. In the work an assessment of the influence of chosen
solutions of safety belts and helmets on dynamic loads of carrier’s crew during collision with a rigid obstacle are
presented. In simulation researches the HYBRID III dummies models have been used and calculations were carried
out in LS-DYNA system. The work shows the numeric test results. Behaviour of the dummies during the impact on both
the driver and crew member were presented. To assess a risk of injury standard indicators of crash test were used,
including: maximum value of the head acceleration and the maximum values of the forces and moments in the neck.
The distributions of these parameters were presented. The assessment of applied passive safety systems was made
from the point of view of treat to soldiers inside a carrier.
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