What is the differences between vibration and oscillation

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Discussion Overview

The discussion revolves around the distinctions and similarities between the terms vibration, oscillation, simple harmonic motion, and periodic motion. Participants explore definitions and conceptual frameworks related to these terms, with a focus on their technical meanings and applications.

Discussion Character

  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • Some participants define periodic motion as any motion that repeats itself, while simple harmonic motion is described specifically by a sine function.
  • Oscillation is characterized as periodic motion around an equilibrium position due to forces acting on an object.
  • Vibration is described by some as the oscillation of different parts of an object in tandem, forming waves that propagate through the body.
  • Others argue that vibration should be defined more generally as any motion around an equilibrium position, which may not be periodic or wave-like, citing examples like random vibration in engineering.
  • Some participants express a desire for sources to support definitions, indicating a need for clarity and reference in the discussion.
  • A later reply acknowledges the complexity of vibration patterns, suggesting that normal modes of vibration are just one aspect of the broader concept.

Areas of Agreement / Disagreement

Participants exhibit disagreement regarding the definitions and scope of vibration and oscillation, with multiple competing views on how these terms should be understood and applied.

Contextual Notes

Some definitions depend on specific contexts, such as engineering or physics, and there are unresolved nuances regarding the periodicity and wave nature of vibrations.

abi.ayan
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what is the difference between vibration, oscillation,simple harmonic motion and periodic motion?Is there any similarities between these terms? can anyone explain clearly pls.
 
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Periodic motion is any motion that repeats itself.
Simple harmonic motion is one example of periodic motion where the movement is described by a sine function.
Oscillation is when an object describes a periodic motion around an equilibrium position due to the presence of forces.
Vibration is when different parts of an object oscillate in tandem forming waves that propagate through the body.
 
dauto said:
Vibration is when different parts of an object oscillate in tandem forming waves that propagate through the body.

If that is the definition from some reference source, fine (but it would be nice to know the source).

But I would define vibration in a more general way, as any type of motion of an object around some equilibrium position. Not necessarily periodic, and not necessarily forming anything that looks like "waves". For example "random vibration" is certainly used in engineering to describe motion that can only be described and analyzed statistically.
 
AlephZero said:
If that is the definition from some reference source, fine (but it would be nice to know the source).

But I would define vibration in a more general way, as any type of motion of an object around some equilibrium position. Not necessarily periodic, and not necessarily forming anything that looks like "waves". For example "random vibration" is certainly used in engineering to describe motion that can only be described and analyzed statistically.

Point taken. I was thinking of normal modes of vibration, but of course it's possible to have more complex vibration patterns.
 
abi.ayan said:
what is the difference between vibration, oscillation,simple harmonic motion and periodic motion?Is there any similarities between these terms? can anyone explain clearly pls.

Have you looked up those terms in Wikipedia? I did, and it seems to provide ample explanations.
 

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