Tyre properties and trends with response surfaces

Before we can apply our MF-Tyre model to the car, it is important to know what properties the individual tyres have. This is an essential part of validating the coefficients before any simulating is done. The charts below show the camber sensitivity of the tyre with changes in slip angle and normal load. The use of a trend response surfaces helps to identify the optimum conditions and sensitivities. However, if peaks or reasonable trends cannot be found, then the coefficients must be regarded as suspect. Just plugging the MF-Tyre coefficients into a simulation program and hoping for the best, would be foolhardy at the least. The band width (contours) and shifts on the trend response surfaces give a good indication as to the camber sensitivity of this tyre.

Tyre properties and trends with response surfaces - White-Smoke

The charts below show the toe sensitivity of the tyre. This is important for straight line stability. The response surface trends indicate the optimum toe for the camber angle and changes with fluctuations in normal load. Again, if any of these results look unreasonable then the MF-Tyre coefficients must be considered suspect. This process should also be repeated for tyre pressure sensitivity.

Tyre properties and trends with response surfaces - White-Smoke

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