The timespan for a loading instance is only 0.004 [s]. The load is being driven by a tire traveling at 150 mph which will contact a solid metal surface. I will model the pressure distribution instead of the tire contact. I read somewhere a similar speed metal/metal impact ramp time of 15e-5 [s] would be an acceptable ramp rate. Can anyone cite experimental data for this?
Even if contact were used, displacement control of the tire would be the best choice and the same issue would arise. Any insights?
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