Abstract
Dynamic processes of the armored personnel carrier M113 are investigated in this paper. The model of the system is reduced to seven degrees of freedom (DOF). Six schemes of different integrations were investigated; it was determined that integration schemes with variable time steps allow to reduce calculation time within the applicable range of the calculation error. The weapon’s impact on the dynamic processes of the vehicle is investigated on the uneven terrain. The influence of the standard weaponry on the oscillation peculiarities of the M113 when the vehicle is standing still, moves on the uneven terrain is analyzed. Also, possibilities to use 30 mm cannon on the carrier M113 are examined.
Highlights
Military machinery is often operated for a sufficiently long period of time during which it is being modernized, electronic systems, weapons and other items are replaced
If a more powerful gun system is installed on a carrier, in order to minimize its influence on other systems, recoil dampers can be used
Literature review showed that impact of weapons reinstallation on the machine dynamic parameters was not widely investigated, and is still a relevant problem
Summary
Military machinery is often operated for a sufficiently long period of time during which it is being modernized, electronic systems, weapons and other items are replaced. Suspension can be presented by employing the Super-Element model This model treats the track chain as a single flexible-band and the rest of the running gear as discrete rigid bodies (road wheels, support rollers, drive sprockets, idlers and chassis components) with kinematic constraints. This reduces the size of the problem because the track chain is reduced by a number of rigid bodies with frictional contacts with a single force super-element applied to each road-wheel [7]. Literature review showed that impact of weapons reinstallation on the machine dynamic parameters was not widely investigated, and is still a relevant problem
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