Vibration Terminology pdf

What is Vibration Terminology Definition, PDF

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Are you looking for the Vibration Terminology? So today we will study All the Vibration Terminology and PDF. Here you will get the articles of Mechanical Engineering in brief with some key points and you will get to know an enormous amount of knowledge from It. So If you find this articles helpful, please let us know in the comment box, either if any correction required too, also let us know in the comment box.

Vibration Terminology:

Vibration terminology consists of 12 terms which are:

  1. Periodic Motion
  2. Time Period
  3. Cycle
  4. Frequency
  5. Amplitude
  6. Natural Frequency
  7. The fundamental mode of vibration
  8. Degree of freedom
  9. Simple harmonic motion
  10. Damping
  11. Resonance
  12. Mechanical System

1. Periodic Motion:

The motion which repeats itself after an equal interval of times is called Periodic motion.

2. Time Period:

This is defined as time to complete one cycle is called a Time period and it is normally expressed in seconds (s).

3. Cycle:

It is motion completed during one time period.

4. Frequency:

This is defined as the number of cycles describes in one second.

This SI unit is Hertz. 

5. Amplitude:

The maximum displacement of the vibrating body from its equilibrium position.

6. Natural frequency:

When no external force acts on the system after giving its an initial displacement, the body vibrates.

The vibration is called as free vibration and the frequency is called Natural frequency. This is expressed in rad/sec or Hertz.

7. The fundamental mode of vibration:

The fundamental mode of vibration is the model having the lowest natural frequency

8. Degree of Freedom:

The minimum number of independent coordinates require to specify the motion of a system at any instant is known as the degree of freedom.

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9. Simple Harmonic Motion:

The motion of the body to and fro about a fixed point is called simple harmonic motion.

10. Damping:

It is resistance to the motion of a vibrating body.

The vibration associated with the resistance is known as Damped Vibration.

11. Resonance:

When the frequency of external excitation is equal to the natural frequency of the vibrating body, the amplitude of vibration becomes excessively large. This concept is called resonance.

12. Mechanical System:

The system consists of Mass, stiffness, and damping are known as a mechanical system.

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Related articles:

“Vibration-Definition, Types (Free or Natural, Forced, Damped), Terminology, PDF

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About the Author

Amrit Kumar

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Amrit is a Co-founder of Learn Mechanical Portal (Previously owned "Engramritkumar.com"). He completed his diploma in Mechanical Engineering from Acharya Polytechnic Bangalore and also completed his B-Tech from Delhi. Amrit is now preparing for Govt. exams. If you need help, you can ask him regarding any suggestions in the mechanical engineering field. He loves to meet new people.

Comments 1

  1. Thanks for your educational and systematic presentation.s. In a few words you have able to tell us the concept and purpose of useful intities of our cars’ parts and their associated phenomena.

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