self-excited vibration


self-excited vibration
vibrations are termed self-excited if the vibratory motion produces cyclic forces which sustain the vibration.

Mechanics glossary. 2013.

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  • 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

  • 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

  • автоколебания — self excited vibration [lang name= Russian ]Асимптотически устойчивые периодические колебания в автоколебательной системе. Шифр IFToMM: Раздел: КОЛЕБАНИЯ В МЕХАНИЗМАХ …   Теория механизмов и машин

  • resonance — The energetic vibration of a body produced by application of a periodic force of nearly the same frequency as that of the free vibration of the affected body. It is the condition of two bodies adjusted to have the same frequency of vibration.… …   Aviation dictionary

  • автоколебание — самовозбуждающееся колебание — [Я.Н.Лугинский, М.С.Фези Жилинская, Ю.С.Кабиров. Англо русский словарь по электротехнике и электроэнергетике, Москва] Тематики электротехника, основные понятия Синонимы самовозбуждающееся колебание EN self… …   Справочник технического переводчика

  • flutter — A vibration caused by the combined effects of the changes in pressure distribution over the surface of airfoils as the angle of attack is altered and the elastic forces set up by the distortion of the structure itself. In the worst cases, there… …   Aviation dictionary

  • Tacoma Narrows Bridge (1940) — This article is about the first Tacoma Narrows Bridge, which collapsed in 1940. For the article on the current bridges, see Tacoma Narrows Bridge. Tacoma Narrows Bridge The original Tacoma Narrows Bridge roadway twisted and vibrated violently… …   Wikipedia

  • Galloping Gertie — This article is about the first Tacoma Narrows Bridge, which collapsed in 1940. For the article on the current bridge, see Tacoma Narrows Bridge. Infobox Bridge bridge name = Tacoma Narrows Bridge (Galloping Gertie) caption = The first Tacoma… …   Wikipedia

  • автоколебания — Незатухающие колебания, которые могут существовать в какой либо системе при отсутствии переменного внешнего воздействия, причём амплитуда и период колебаний определяются свойствами самой системы [Терминологический словарь по строительству на 12… …   Справочник технического переводчика

  • luminescence — luminescent, adj. /looh meuh nes euhns/, n. 1. the emission of light not caused by incandescence and occurring at a temperature below that of incandescent bodies. 2. the light produced by such an emission. [1885 90; < L lumin (see LUMEN) +… …   Universalium


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