Front Ride Frequency Calculator

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Race Car Vehicle Dynamics

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Front Axle and Steering

Suspension Geometry

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Ride Rate and Ride Frequency for Race Cars

Rates for Axle Suspension in Race Car

Tire Behavior in Racing Car

Vehicle Cornering in Race Cars

Weight Transfer during Braking

Wheel Centre Rates for Independent Suspension

✖Front Ride Rate is defined as vertical force per unit vertical displacement of the tire ground contact with respect to chassis.ⓘ Front Ride Rate [K_RF]			+10% -10%
✖Load on Individual Wheel in Static Condition is the portion of the total mass of the vehicle which is bore by the given individual wheel.ⓘ Load on Individual Wheel in Static Condition [W]			+10% -10%

✖Ride Frequency is the undamped natural frequency of the body in ride. The higher the frequency, the stiffer the ride.ⓘ Front Ride Frequency [ω_F]

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Formula

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Front Ride Frequency

Formula

`"ω"_{"F"} = 0.5/pi*sqrt("K"_{"RF"}/"W")`

Example

`"1.320394Hz"=0.5/pi*sqrt("31661N/m"/"460kg")`

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Download Ride Rate and Ride Frequency for Race Cars Formulas PDF PDF Image

Front Ride Frequency Solution

STEP 0: Pre-Calculation Summary

Formula Used

Ride Frequency = 0.5/pi*sqrt(Front Ride Rate/Load on Individual Wheel in Static Condition)
ω_F = 0.5/pi*sqrt(K_RF/W)
This formula uses 1 Constants, 1 Functions, 3 Variables

Constants Used

pi - Archimedes' constant Value Taken As 3.14159265358979323846264338327950288

Functions Used

sqrt - A square root function is a function that takes a non-negative number as an input and returns the square root of the given input number., sqrt(Number)

Variables Used

Ride Frequency - (Measured in Hertz) - Ride Frequency is the undamped natural frequency of the body in ride. The higher the frequency, the stiffer the ride.
Front Ride Rate - (Measured in Newton per Meter) - Front Ride Rate is defined as vertical force per unit vertical displacement of the tire ground contact with respect to chassis.
Load on Individual Wheel in Static Condition - (Measured in Kilogram) - Load on Individual Wheel in Static Condition is the portion of the total mass of the vehicle which is bore by the given individual wheel.

STEP 1: Convert Input(s) to Base Unit

Front Ride Rate: 31661 Newton per Meter --> 31661 Newton per Meter No Conversion Required
Load on Individual Wheel in Static Condition: 460 Kilogram --> 460 Kilogram No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

ω_F = 0.5/pi*sqrt(K_RF/W) --> 0.5/pi*sqrt(31661/460)

Evaluating ... ...

ω_F = 1.32039396198142

STEP 3: Convert Result to Output's Unit

1.32039396198142 Hertz --> No Conversion Required

FINAL ANSWER

1.32039396198142 ≈ 1.320394 Hertz <-- Ride Frequency

(Calculation completed in 00.004 seconds)

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Created by Peri Krishna Karthik

National Institute of Technology Calicut (NIT Calicut), Calicut, Kerala

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< 12 Ride Rate and Ride Frequency for Race Cars Calculators

Front Ride Frequency

Go Ride Frequency = 0.5/pi*sqrt(Front Ride Rate/Load on Individual Wheel in Static Condition)

Rear Ride Frequency

Go Ride Frequency = 0.5/pi*sqrt(Rear Ride Rate/Load on Individual Wheel in Static Condition)

Load on Front Wheel given Front Ride Frequency

Go Load on Individual Wheel in Static Condition = Front Ride Rate/((Ride Frequency*2*pi)^2)

Load on Rear Wheel given Rear Ride Frequency

Go Load on Individual Wheel in Static Condition = Rear Ride Rate/((Ride Frequency*2*pi)^2)

Front Ride Rate given Front Ride Frequency

Go Front Ride Rate = (Ride Frequency*2*pi)^2*Load on Individual Wheel in Static Condition

Rear Ride Rate given Rear Ride Frequency

Go Rear Ride Rate = (Ride Frequency*2*pi)^2*Load on Individual Wheel in Static Condition

Front Outside Wheel Load Change given Front Ride Rate

Go Front Outside Wheel Change = (Front Bump Allowance*Front Ride Rate)/[g]

Front Bump Allowance given Front Ride Rate

Go Front Bump Allowance = (Front Outside Wheel Change*[g])/Front Ride Rate

Front Ride Rate

Go Front Ride Rate = (Front Outside Wheel Change*[g])/Front Bump Allowance

Rear Outside Wheel Load Change given Rear Ride Rate

Go Rear Outside Wheel Change = (Rear Bump Allowance*Rear Ride Rate)/[g]

Rear Bump Allowance given Rear Ride Rate

Go Rear Bump Allowance = (Rear Outside Wheel Change*[g])/Rear Ride Rate

Rear Ride Rate

Go Rear Ride Rate = (Rear Outside Wheel Change*[g])/Rear Bump Allowance

Front Ride Frequency Formula

Ride Frequency = 0.5/pi*sqrt(Front Ride Rate/Load on Individual Wheel in Static Condition)
ω_F = 0.5/pi*sqrt(K_RF/W)

Ride rates in a vehicle

Ride rate refers to the rate of change of tire normal force with vertical body movement and roll rate refers to the rate of change of tire normal force with body roll about its roll axis. The ride and roll rates of the car affect the wheel loading wrt the body position change and the wheel load or tire normal force determines the available tire lateral/longitudinal forces which directly impacts the vehicle performance. Individual suspension components like springs and antiroll bar affect the vehicle ride and roll. The ride performance of the car is many a times in conflict with the roll performance and hence choosing the correct springs and anti roll bar is often a balancing act.

How to Calculate Front Ride Frequency?

Front Ride Frequency calculator uses Ride Frequency = 0.5/pi*sqrt(Front Ride Rate/Load on Individual Wheel in Static Condition) to calculate the Ride Frequency, The Front ride frequency formula is used to find the undamped natural frequency. of the body in ride. The higher the frequency, the. stiffer the ride. Ride Frequency is denoted by ω_F symbol.

How to calculate Front Ride Frequency using this online calculator? To use this online calculator for Front Ride Frequency, enter Front Ride Rate (K_RF) & Load on Individual Wheel in Static Condition (W) and hit the calculate button. Here is how the Front Ride Frequency calculation can be explained with given input values -> 1.320394 = 0.5/pi*sqrt(31661/460).

FAQ

What is Front Ride Frequency?

The Front ride frequency formula is used to find the undamped natural frequency. of the body in ride. The higher the frequency, the. stiffer the ride and is represented as ω_F = 0.5/pi*sqrt(K_RF/W) or Ride Frequency = 0.5/pi*sqrt(Front Ride Rate/Load on Individual Wheel in Static Condition). Front Ride Rate is defined as vertical force per unit vertical displacement of the tire ground contact with respect to chassis & Load on Individual Wheel in Static Condition is the portion of the total mass of the vehicle which is bore by the given individual wheel.

How to calculate Front Ride Frequency?

The Front ride frequency formula is used to find the undamped natural frequency. of the body in ride. The higher the frequency, the. stiffer the ride is calculated using Ride Frequency = 0.5/pi*sqrt(Front Ride Rate/Load on Individual Wheel in Static Condition). To calculate Front Ride Frequency, you need Front Ride Rate (K_RF) & Load on Individual Wheel in Static Condition (W). With our tool, you need to enter the respective value for Front Ride Rate & Load on Individual Wheel in Static Condition and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate Ride Frequency?

In this formula, Ride Frequency uses Front Ride Rate & Load on Individual Wheel in Static Condition. We can use 1 other way(s) to calculate the same, which is/are as follows -

Ride Frequency = 0.5/pi*sqrt(Rear Ride Rate/Load on Individual Wheel in Static Condition)

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