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Vibration An oscillation about an equilibrium position or shape. Vibration is generally interpreted as the cyclical (symmetrical or nonsymmetrical) fluctuations in the rate at which an object accelerates. In longitudinal vibration the direction of motion of the particles is the same as the direction of advance of the vibratory motion; in transverse vibration it is perpendicular to the direction of advance.
See also: Forced Vibration, Fourier Transform, Frequency, Modal Analysis, Mode Shape, Period, Vibration Severity, Wavelength, Wavenumber.
  
Weblinks:- Vibration Institute Nationally recognized not-for-profit organization
dedicated to the exchange of practical information about vibration and condition monitoring.
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