Single AutoTire Panel

The AutoTire panel is shown in the following image.

Figure 1.

The Property Files tab has two sections: Tire Property File and Road Property File. For tire interface, the tire parameters and the properties are set by a Tire Property File with the extension (.tir/.tpf), while the road interface is described by a Road Property File with the extension (.rdf/.crg/.rgr). Both of these property files are in the TeimOrbit file format. The parameters of the AutoTire Properties tab and their significance is explained below:

Tire Property File

Parameter	Description
Tire Property File	Property File option is used to browse and select the required file.
Edit File	Edit file button is used to edit the file and save the edited file.
Unloaded Radius	Distance between the WC and the contact point of tire in unloaded conditions.
Tire Width	Section width of the tire.
Aspect Ratio	Describes the sidewall height as a percentage of the tire section width.
Tire Side	Defines the left or right side of the tire.
Wheel Mass	Mass of the tire.
Ixx,Iyy,Izz	Moment of Inertia of the tire.
Hub Offset	Defines the offset of Hub graphic center from the wheel center.
Wheel CM offset	Defines the wheel part CM offset from the wheel center.
Tire Role	Defines tire function: front or rear.

Road Property File

Parameter	Description
Road Property File	Property File option is used to browse and select the required road property file.
Edit File	Edit file button is used to edit the road property file and save the edited file.
Method	Defines the road model type.
Road Type	Defines the type of road.
Function Name	Name of the function being called by Solver.

Use the Hub Body, Wheel Centre, Tire Marker and Road Marker collector buttons in the Connectivity tab to define the tire interface.

Figure 2.