Tire (Simple)
Slip-free tyre model with minimum parameters.
Description
The Tire (Simple) block is a simple slip-free tyre model that you parameterise by the tyre radius.
You can optionally add inertia, stiffness or damping. These dynamic characteristics require additional calculations, which may make the model less suitable for real-time simulation.
Ports
Conserving
#
A
—
axis
`rotational mechanics
Details
A mechanical rotational port connected to the axle on which the tyre sits.
Program usage name |
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#
H
—
hub
translational mechanics
Details
A mechanical progressive port connected to the wheel hub and transmitting the traction generated by the tyre to the rest of the vehicle.
Program usage name |
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Parameters
Main
#
Rolling radius —
radius
m
| cm
| ft
| in
| km
| mi
| mm
| um
| yd
Details
The rolling radius of the tyre. The value must be .
Values |
|
Default value |
|
Program usage name |
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Evaluatable |
Yes |
# Compliance — elastic deformation
Details
Incorporating longitudinal stiffness and damping.
Default value |
|
Program usage name |
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Evaluatable |
No |
#
Longitudinal stiffness —
longitudinal rigidity
N/m
| lbf/ft
| lbf/in
Details
Longitudinal stiffness of the tyre. The value must be .
Dependencies
To use this parameter, select the Compliance parameter check box.
Values |
|
Default value |
|
Program usage name |
|
Evaluatable |
Yes |
#
Longitudinal damping —
longitudinal damping
kg/s
| N*s/m
| N/(m/s)
| lbf/(ft/s)
| lbf/(in/s)
Details
Longitudinal damping of the tyre. The value must be .
Dependencies
To use this parameter, select the Compliance parameter check box.
Values |
|
Default value |
|
Program usage name |
|
Evaluatable |
Yes |
# Inertia — inertia model
Details
Inclusion of tyre inertia.
Default value |
|
Program usage name |
|
Evaluatable |
No |
#
Tire inertia —
tyre inertia value
g*cm^2
| kg*m^2
| lbm*ft^2
| lbm*in^2
| slug*ft^2
| slug*in^2
Details
Tyre rotational inertia.
Dependencies
To use this parameter, select the Inertia check box.
Values |
|
Default value |
|
Program usage name |
|
Evaluatable |
Yes |
#
Initial velocity —
initial speed
rpm
| deg/s
| rad/s
Details
Initial rotational speed of the tyre.
Dependencies
To use this parameter, select the Inertia check box.
Values |
|
Default value |
|
Program usage name |
|
Evaluatable |
Yes |