Computations for Truck Sliding with TRUCK 3.1 Code
Final rept. May-Dec 1986
MISSOURI UNIV-ROLLA DEPT OF ENGINEERING MECHANICS
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The vehicle and its primary components response can be studied by using the TRUCK computer code. Each component is characterized by its mass, center of gravity position, inertias and products of inertias. One might think that the mechanical properties of the springs will affect the motion of axles, racks etc. relative to the vehicle body but will not affect the overall motions of the assembly. But in the TRUCK computer code, the primary coordinate system is a body axis system attached to the vehicle body with its origin at the center of gravity of the entire system. Therefore, the mechanical properties of springs connecting the vehicle body to the axles influence the overall motions of the vehicle. However, the motion of the overall center of gravity of a frictionless system is not affected by the mechanical properties of these springs. If desired, the motions of the axles, shelters, and racks relative to the vehicle body can also be studied.
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