random vibration


random vibration
random vibration exists in a system when the oscillation is sustained but irregular both as to period and amplitude.

Mechanics glossary. 2013.

Look at other dictionaries:

  • Random vibration — In mechanical engineering, random vibration is motion which is non deterministic, meaning that future behavior cannot be precisely predicted. The randomness is a characteristic of the excitation or input, not the mode shapes or natural… …   Wikipedia

  • vibration — is the variation with time of the displacement of a body with respect to a specified reference dimension when the displacement is alternately greater and smaller than the reference. forced vibration free vibration periodic vibration random… …   Mechanics glossary

  • Vibration — For the soul music group, see The Vibrations. For the machining context, see Machining vibrations. For the albums, see Vibrations (Roy Ayers album) and Vibrations (The Three Sounds album). Classical mechanics …   Wikipedia

  • Noise, vibration, and harshness — (NVH), also known as noise and vibration (N V), is the study and modification of the noise and vibration characteristics of vehicles, particularly cars and trucks. While noise and vibration can be readily measured, Harshness is a subjective… …   Wikipedia

  • Noise, Vibration, and Harshness — Noise, Vibration, and Harshness, also known as Noise and Vibration, abbreviated to NVH and N V respectively, is the name given to the field of measuring, and modifying, the noise and vibration characteristics of vehicles, particularly cars and… …   Wikipedia

  • Package testing — Military shipping container being drop tested Testing …   Wikipedia

  • Vibrator (mechanical) — A vibrator is a mechanical device that is designed to generate vibrations. The vibration is often generated by an electric motor with an unbalanced mass on its driveshaft. If the motor is switched on, the rotating weight resonates.There are many… …   Wikipedia

  • MIL-STD-810 — The United States Military Standard referred to as MIL STD 810, Department of Defense Test Method Standard for Environmental Engineering Considerations and Laboratory Tests emphasizes tailoring an equipment s environmental design and test limits… …   Wikipedia

  • Mode shape — ] In the study of vibration in engineering, a mode shape describes the expected curvature (or displacement) of a surface vibrating at a particular mode. To determine the vibration of a system, the mode shape is multiplied by a function that… …   Wikipedia

  • Spectral density — In statistical signal processing and physics, the spectral density, power spectral density (PSD), or energy spectral density (ESD), is a positive real function of a frequency variable associated with a stationary stochastic process, or a… …   Wikipedia


Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”

We are using cookies for the best presentation of our site. Continuing to use this site, you agree with this.