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Glossary:Forcing function

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Revision as of 07:41, 17 September 2013 by Glenda Smith (Glendasmith) (talk | contribs) (Created page with "A forcing function is an external force that is acting on a vibrating system. This has the effect of modifying the vibrations that are experienced in the system, sometimes sig...")
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A forcing function is an external force that is acting on a vibrating system. This has the effect of modifying the vibrations that are experienced in the system, sometimes significantly. For example, in a rotating-drillstring system, the drill bit will impart a forcing vibration to the lower end of the string.