Quick Answer
Calculate Tire-Road Friction Utilization Ratio Calculator
Calculator
Result Interpretation
Tire-Road Friction Utilization Ratio Calculator computes Friction utilization ratio in 1 using the defined engineering formula and the input values provided.
Worked Example
Verified calculation
Given:
- Longitudinal tire force = 0
- Lateral tire force = 0
- Vertical tire load = 4000
- Road friction coefficient = 0.8
Expected Result:
- Friction utilization ratio = 0
Engineering Interpretation:
Under the given input conditions, the calculated result is: Friction utilization ratio = 0.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.
Formula / Method
friction utilization ratio = sqrt(pow(longitudinal tire force, 2) + pow(lateral tire force, 2)) / (road friction coefficient * vertical tire load)Formula family: formula_automotive_tire_road_friction_utilization_map_generator
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| Fx | Longitudinal tire force | INPUT | Longitudinal tire force |
| Fy | Lateral tire force | INPUT | Lateral tire force |
| Fz | Vertical tire load | INPUT | Vertical tire load |
| mu | Road friction coefficient | INPUT | Road friction coefficient |
| result | Friction utilization ratio | OUTPUT | Friction utilization ratio |
Calculation Steps
- Enter the longitudinal tire force in N.
- Enter the lateral tire force in N.
- Enter the vertical tire load in N.
- Enter the road friction coefficient in 1.
- Step 1: Compute friction utilization ratio.
- Read the friction utilization ratio (1) from the results.
Engineering Summary
Calculate Tire-Road Friction Utilization Ratio Calculator
Frequently Asked Questions
What does this calculator calculate?
The Tire-Road Friction Utilization Ratio Calculator estimates Friction utilization ratio based on the input parameters you provide
Why is longitudinal tire force important in this calculation?
longitudinal tire force is directly proportional to friction utilization ratio. When you enter longitudinal tire force in N, the calculator uses it in the engineering formula to compute the output
How should I interpret the result friction utilization ratio?
The calculator outputs friction utilization ratio. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: Longitudinal tire force (N), Lateral tire force (N), Vertical tire load (N). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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