Extreme Role Cage Springs and Dampeners. Motion Simulation By John McGovern. Springs and Dampeners. UG Motion Scenario. Spring Motion Analysis
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Using Unigraphics Motion software we attached the inner cage to the outer cage using springs with a stiffness of 150. This is not necessarily the exact stiffness of the springs but it works to give an idea of how the cage reacts. With just the springs the inner cage bounced around too much, so dampeners were added with a damping coefficient of 1.0. With these the cage moves around a lot less. This prevents the driver from being shaken up during normal driving.
For this scenario a block was fixed approximately 200 inches below the cage. This block represents the ground. The demonstration shows how the cage reacts when it falls from the given distance and hits a solid object.