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Transmissibility Ratio is the ratio of the response amplitude of a system to the excitation amplitude in mechanical vibration analysis. Check FAQs
ε=1+(2cω(ccωn)2)(2cωccωn)2+(1-(ωωn)2)2
ε - Transmissibility Ratio?c - Damping Coefficient?ω - Angular Velocity?cc - Critical Damping Coefficient?ωn - Natural Circular Frequency?

Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient Example

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Here is how the Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient equation looks like with Values.

Here is how the Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient equation looks like with Units.

Here is how the Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient equation looks like.

17.0834Edit=1+(29000.022Edit0.2Edit(690000Edit0.195Edit)2)(29000.022Edit0.2Edit690000Edit0.195Edit)2+(1-(0.2Edit0.195Edit)2)2
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Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient Solution

Follow our step by step solution on how to calculate Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient?

FIRST Step Consider the formula
ε=1+(2cω(ccωn)2)(2cωccωn)2+(1-(ωωn)2)2
Next Step Substitute values of Variables
ε=1+(29000.022Ns/m0.2rad/s(690000Ns/m0.195rad/s)2)(29000.022Ns/m0.2rad/s690000Ns/m0.195rad/s)2+(1-(0.2rad/s0.195rad/s)2)2
Next Step Prepare to Evaluate
ε=1+(29000.0220.2(6900000.195)2)(29000.0220.26900000.195)2+(1-(0.20.195)2)2
Next Step Evaluate
ε=17.083354511296
LAST Step Rounding Answer
ε=17.0834

Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient Formula Elements

Variables
Functions
Transmissibility Ratio
Transmissibility Ratio is the ratio of the response amplitude of a system to the excitation amplitude in mechanical vibration analysis.
Symbol: ε
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Damping Coefficient
Damping Coefficient is a measure of the rate at which the amplitude of oscillations decreases in a mechanical system due to energy loss.
Symbol: c
Measurement: Damping CoefficientUnit: Ns/m
Note: Value should be greater than 0.
Angular Velocity
Angular Velocity is the rate of change of angular displacement of an object rotating around a fixed axis in mechanical vibrations.
Symbol: ω
Measurement: Angular VelocityUnit: rad/s
Note: Value can be positive or negative.
Critical Damping Coefficient
Critical Damping Coefficient is the minimum amount of damping required to prevent oscillations in a mechanical system, resulting in a critically damped response.
Symbol: cc
Measurement: Damping CoefficientUnit: Ns/m
Note: Value should be greater than 0.
Natural Circular Frequency
Natural Circular Frequency is the number of oscillations per unit time of a vibrating system in a circular motion.
Symbol: ωn
Measurement: Angular VelocityUnit: rad/s
Note: Value should be greater than 0.
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.
Syntax: sqrt(Number)

Other Formulas to find Transmissibility Ratio

​Go Transmissibility Ratio
ε=Kk2+(cω)2Fa
​Go Transmissibility Ratio given Natural Circular Frequency and Magnification Factor
ε=D1+(2cωccωn)2
​Go Transmissibility Ratio if there is No Damping
ε=1(ωωn)2-1
​Go Transmissibility Ratio given Magnification Factor
ε=Dk2+(cω)2k

Other formulas in Vibration Isolation and Transmissibility category

​Go Angular Velocity of Vibration using Force Transmitted
ω=(FTK)2-k2c
​Go Applied Force given Transmissibility Ratio and Maximum Displacement of Vibration
Fa=Kk2+(cω)2ε
​Go Applied Force given Transmissibility Ratio
Fa=FTε
​Go Damping Coefficient using Force Transmitted
c=(FTK)2-k2ω

How to Evaluate Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient?

Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient evaluator uses Transmissibility Ratio = (sqrt(1+((2*Damping Coefficient*Angular Velocity)/(Critical Damping Coefficient*Natural Circular Frequency)^2)))/sqrt(((2*Damping Coefficient*Angular Velocity)/(Critical Damping Coefficient*Natural Circular Frequency))^2+(1-(Angular Velocity/Natural Circular Frequency)^2)^2) to evaluate the Transmissibility Ratio, Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient formula is defined as a measure of the ratio of the amplitude of the transmitted force to the original force in a mechanical system, providing insight into the system's ability to transmit vibrations. Transmissibility Ratio is denoted by ε symbol.

How to evaluate Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient using this online evaluator? To use this online evaluator for Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient, enter Damping Coefficient (c), Angular Velocity (ω), Critical Damping Coefficient (cc) & Natural Circular Frequency n) and hit the calculate button.

FAQs on Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient

What is the formula to find Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient?
The formula of Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient is expressed as Transmissibility Ratio = (sqrt(1+((2*Damping Coefficient*Angular Velocity)/(Critical Damping Coefficient*Natural Circular Frequency)^2)))/sqrt(((2*Damping Coefficient*Angular Velocity)/(Critical Damping Coefficient*Natural Circular Frequency))^2+(1-(Angular Velocity/Natural Circular Frequency)^2)^2). Here is an example- 17.13421 = (sqrt(1+((2*9000.022*0.200022)/(690000*0.19501)^2)))/sqrt(((2*9000.022*0.200022)/(690000*0.19501))^2+(1-(0.200022/0.19501)^2)^2).
How to calculate Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient?
With Damping Coefficient (c), Angular Velocity (ω), Critical Damping Coefficient (cc) & Natural Circular Frequency n) we can find Transmissibility Ratio given Natural Circular Frequency and Critical Damping Coefficient using the formula - Transmissibility Ratio = (sqrt(1+((2*Damping Coefficient*Angular Velocity)/(Critical Damping Coefficient*Natural Circular Frequency)^2)))/sqrt(((2*Damping Coefficient*Angular Velocity)/(Critical Damping Coefficient*Natural Circular Frequency))^2+(1-(Angular Velocity/Natural Circular Frequency)^2)^2). This formula also uses Square Root (sqrt) function(s).
What are the other ways to Calculate Transmissibility Ratio?
Here are the different ways to Calculate Transmissibility Ratio-
  • Transmissibility Ratio=(Maximum Displacement*sqrt(Stiffness of Spring^2+(Damping Coefficient*Angular Velocity)^2))/Applied ForceOpenImg
  • Transmissibility Ratio=Magnification Factor*sqrt(1+((2*Damping Coefficient*Angular Velocity)/(Critical Damping Coefficient*Natural Circular Frequency))^2)OpenImg
  • Transmissibility Ratio=1/((Angular Velocity/Natural Circular Frequency)^2-1)OpenImg
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