In this paper the selected results concerning the analysis of the phenomena occurring between the road and the wheels of a motor vehicle have been presented. The analysis was prepared for the simulation of the acceleration maneuver with the 100% (full) throttle along the road with various conditions. The aim of this paper was to analyze whether both the full throttle and the road conditions may affect the forces occurring in the contact area between the wheels of the vehicle and the road, regarding the road conditions and the rear wheel drive of the analyzed vehicle’s model.
The article presents analysis of the stochastic technical stability of mathematical models (described by the second-order ordinary differential equations) of technical objects, on the example of a moving motor vehicle with the disturbed location of the center of mass, as a result of a non-uniform load. After conducting simulation of motion of a sport vehicle mathematical model, using the MSC Adams/Car software, executing a maneuver of double lane change without completely returning to the original road lane, interpretation of the results in accordance with the given definition has been attempted. Specifically, the aspect of determining the probability of the solution remaining in a certain area of feasible solutions has been highlighted, as well as determination of the magnitude of this probability for stable motion. In addition, attention has been paid to the selection of the upper limit of probability, for which, under certain conditions, stable motion can be determined.
Over the years certain amount of works have been devoted to the selected aspects of motor vehicle collision modeling. Also, in some previous works by the author of this paper the selected problems related to collision modelling have been included. Those papers concerned mostly relations of the obtained crash simulation results to analytical results based on the Routh method, including restitution of the velocities normal and tangential to the plane of crash common for both vehicles involved in the accident. The aim of this paper is to present the selected problems related to the side impact motor vehicle collision modeling, which can be considered as a cause for certain diagnostic problems related to further maintenance of such vehicle after repair.
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