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Calspan
Calspan tire model used to determine the forces and moments developed at the tire contact patch
The Calspan tire model, which is used in the Iltis vehicle model described in reference [1], computes expressions for the lateral force and aligning moment. The longitudinal force, rolling resistance moment, and overturning moment are assumed to be zero.
Note: The port of the Calspan component must be connected directly to the port of a tire body component, as shown below.
Connections
Name
Description
Color
Tire reference frame, which must be connected to a tire body component.
Gray
Parameters
Note: All units are assumed to be in SI unless otherwise noted.
Symbol
Default
Units
ID
-
Lateral force coefficients
A0A4
Lateral force coefficient
AWt
Friction coefficients
B1B4
Skid number ratio
SN
AF1AF3
References
"The Iltis Benchmark Problem Definition", in Multibody Computer Codes in Vehicle System Dynamics, W. Kortum and R. Sharp, editors, Supplement to the Vehicle System Dynamics journal, Vol.22, Swets and Zeitlinger, 1993, pp. 216-226.
See Also
Linear, Fiala, Pacejka, User-defined, Standard Tire
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