WOLFRAM SYSTEM MODELER
SummerTireOnIceModel of a car tire on ice |
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Wolfram Language
In[1]:=
SystemModel["EducationExamples.MechanicalEngineering.SlidingCar.Components.Wheels.SummerTireOnIce"]
Out[1]:=
Information
This model of a summer tire on ice is based on the DryFrictionWheelJoint model from the Planar Mechanics Library. The friction coefficients for adhesion and sliding have been adjusted to fit the condition of a summer tire on ice. The friction coefficient at adhesion is set to 0.1, and the friction coefficient at sliding is set to 0.05.
Parameters (15)
| stateSelect |
Value: StateSelect.default Type: StateSelect Description: Priority to use acceleration as states |
|---|---|
| radius |
Value: 0.25 Type: Length (m) Description: radius of the wheel |
| r |
Value: {0, 1} Type: Length[2] (m) Description: driving direction of the wheel at angle phi = 0 |
| N |
Value: 1000 Type: Force (N) Description: normal force |
| vAdhesion |
Value: 0.1 Type: Velocity (m/s) Description: adhesion velocity |
| vSlide |
Value: 0.3 Type: Velocity (m/s) Description: sliding velocity |
| mu_A |
Value: 0.1 Type: Real Description: friction coefficient at adhesion |
| mu_S |
Value: 0.05 Type: Real Description: friction coefficient at sliding |
| l |
Value: sqrt(r * r) Type: Length (m) |
| e |
Value: r / l Type: Real[2] Description: normalized direction |
| animate |
Value: true Type: Boolean Description: = true, if animation shall be enabled |
| SimVis |
Value: false Type: Boolean Description: perform animation with SimVis |
| zPosition |
Value: planarWorld.defaultZPosition Type: Length (m) Description: z position of the body |
| diameter |
Value: 0.1 Type: Length (m) Description: diameter of the rims |
| width |
Value: diameter * 0.6 Type: Length (m) Description: width of the wheel |
Inputs (1)
| specularCoefficient |
Default Value: planarWorld.defaultSpecularCoefficient Type: SpecularCoefficient Description: Reflection of ambient light (= 0: light is completely absorbed) |
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Connectors (2)
Components (4)
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planarWorld |
Type: PlanarWorld Description: planar world model |
|---|---|---|
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cylinder |
Type: Shape Description: Visualizing an elementary object with variable size; all data have to be set as modifiers (see info layer) |
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rim1 |
Type: Shape Description: Visualizing an elementary object with variable size; all data have to be set as modifiers (see info layer) |
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rim2 |
Type: Shape Description: Visualizing an elementary object with variable size; all data have to be set as modifiers (see info layer) |