Natural Frequency Formula

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Natural Frequency is the frequency at which a system tends to oscillate in the absence of any driving force. Check FAQs
fn=finfh
fn - Natural Frequency?fin - Input Frequency?fh - High Frequency?

Natural Frequency Example

With values
With units
Only example

Here is how the Natural Frequency equation looks like with Values.

Here is how the Natural Frequency equation looks like with Units.

Here is how the Natural Frequency equation looks like.

16.5997Edit=50.1Edit5.5Edit
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Natural Frequency Solution

Follow our step by step solution on how to calculate Natural Frequency?

FIRST Step Consider the formula
fn=finfh
Next Step Substitute values of Variables
fn=50.1Hz5.5Hz
Next Step Prepare to Evaluate
fn=50.15.5
Next Step Evaluate
fn=16.599698792448Hz
LAST Step Rounding Answer
fn=16.5997Hz

Natural Frequency Formula Elements

Variables
Functions
Natural Frequency
Natural Frequency is the frequency at which a system tends to oscillate in the absence of any driving force.
Symbol: fn
Measurement: FrequencyUnit: Hz
Note: Value should be greater than 0.
Input Frequency
Input Frequency refers to the rate at which data or signals are received within a specified timeframe, typically measured in hertz (Hz).
Symbol: fin
Measurement: FrequencyUnit: Hz
Note: Value should be greater than 0.
High Frequency
High Frequency refers to a rapid repetition or occurrence of events, signals, or cycles within a short period, often associated with quick and frequent occurrences.
Symbol: fh
Measurement: FrequencyUnit: Hz
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 in Continuous Time Signals category

​Go Transfer Function
H=SoutSin
​Go Damping Co-efficient
ζ=12Aofinfh
​Go Coupling Co-efficient
γ=CoC+Co
​Go Damping Co-efficient in State-Space Form
ζ=RoCL

How to Evaluate Natural Frequency?

Natural Frequency evaluator uses Natural Frequency = sqrt(Input Frequency*High Frequency) to evaluate the Natural Frequency, The Natural Frequency formula is defined as the the frequency at which a system tends to oscillate in the absence of any driving force. The motion pattern of a system oscillating at its natural frequency is called the normal mode. Natural Frequency is denoted by fn symbol.

How to evaluate Natural Frequency using this online evaluator? To use this online evaluator for Natural Frequency, enter Input Frequency (fin) & High Frequency (fh) and hit the calculate button.

FAQs on Natural Frequency

What is the formula to find Natural Frequency?
The formula of Natural Frequency is expressed as Natural Frequency = sqrt(Input Frequency*High Frequency). Here is an example- 16.5997 = sqrt(50.1*5.5).
How to calculate Natural Frequency?
With Input Frequency (fin) & High Frequency (fh) we can find Natural Frequency using the formula - Natural Frequency = sqrt(Input Frequency*High Frequency). This formula also uses Square Root (sqrt) function(s).
Can the Natural Frequency be negative?
No, the Natural Frequency, measured in Frequency cannot be negative.
Which unit is used to measure Natural Frequency?
Natural Frequency is usually measured using the Hertz[Hz] for Frequency. Petahertz[Hz], Terahertz[Hz], Gigahertz[Hz] are the few other units in which Natural Frequency can be measured.
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