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Broadening Bandwidth in a Semi-Active Vibration Absorption System Utilizing Stacked Polyvinyl Chloride Gel Actuators. [PDF]
Micromachines (Basel)Li Z +6 more
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Study on broadband vibration reduction characteristics and optimal design of the acoustic black hole plate with damping oscillators. [PDF]
Sci RepYang C, Yu H, Ye T.
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Damped dynamic vibration absorber
The Journal of the Acoustical Society of America, 1986A pump is disclosed having a damped dynamic vibration absorber for attenuating pump vibration in response to a periodic disturbing force generated when the pump is in operation. The vibration absorber comprises elastic means, an annular mass and an energy dissipative means.
James H. Ball +2 more
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The broadband dynamic vibration absorber
Journal of Sound and Vibration, 1982The limited effectiveness of the linear passive dynamic vibration absorber is described. This is followed by an analysis producing the response of a primary system when a non-linear softening Belleville spring is used in the absorber. It is shown that the suppression bandwidth can be doubled by this means.
J.B. Hunt, J.-C. Nissen
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The cruciform dynamic vibration absorber
The Journal of the Acoustical Society of America, 1984The cruciform dynamic absorber comprises two free–free beams that are mass loaded at their free ends and that are joined centrally at right angles at a point at which they are attached to the vibrating item or structure of concern. Both a lumped simple system and distributed mechanical systems such as beams and clamped circular plates are considered ...
J. C. Snowdon, A. A. Wolfe, R. L. Kerlin
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Optimal Cantilever Dynamic Vibration Absorbers
Journal of Engineering for Industry, 1977This work considers the use of a double-ended cantilever beam as a distributed parameter dynamic vibration absorber applied to a single-degree-of-freedom system in the presence of sinusoidal forces. The problem is analyzed exactly and by an energy approach using a single mode approximation for the cantilever beam.
R. G. Jacquot, J. E. Foster
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The Journal of the Acoustical Society of America, 1979
This invention relates to suppression of vibrations in massive systems including large rotating elements such as induction fan rotors used in electric power generating plants. In particular, this invention relates to the provision of a tuned vibration absorber with very low damping, often known as a dynamic vibration absorber, which acts to reduce or ...
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This invention relates to suppression of vibrations in massive systems including large rotating elements such as induction fan rotors used in electric power generating plants. In particular, this invention relates to the provision of a tuned vibration absorber with very low damping, often known as a dynamic vibration absorber, which acts to reduce or ...
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A Thermoviscoelastic Dynamic Vibration Absorber
Journal of Applied Mechanics, 1998A dynamic vibration absorber with a viscoelastic element is studied. The viscoelastic element is modeled as a material with memory in which the internal dissipative force depends on current, as well as previous deformations. The viscoelastic behavior is governed by two parameters: the relaxation modulus Go, and the relaxation time γ.
R. Fosdick, Y. Ketema
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The Journal of the Acoustical Society of America, 1988
A vibration damping arrangement for a structural member including leaf springs extending horizontally from a vibration absorber body adapted to be attached to the structural member. A set of horizontal-vibration-absorbing leaf springs extends in one horizontal plane while a set of vertical-vibration-absorbing leaf springs extends in another horizontal ...
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A vibration damping arrangement for a structural member including leaf springs extending horizontally from a vibration absorber body adapted to be attached to the structural member. A set of horizontal-vibration-absorbing leaf springs extends in one horizontal plane while a set of vertical-vibration-absorbing leaf springs extends in another horizontal ...
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Synthesis of Dynamic Vibration Absorbers
Journal of Vibration and Acoustics, 1985A method for designing dynamic vibration absorbers which create antiresonances at specified points on a sinusoidally forced vibratory system is described. Spring-mass absorber systems are treated in detail. Among all possible solutions, a unique minimum mass solution is shown to exist if the relative displacement of the absorber mass is constrained ...
Wang, B. P. +3 more
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