Research on a New Particle Impact Damper

Du, Yanchen; Guan, Zhenxing

doi:10.1088/1757-899x/381/1/012073

Cited by 2 publications

(2 citation statements)

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“…Problems related to the damping of vibrations are popular in publications in the field of civil and mechanical engineering. Therefore, in this paper the authors will limit themselves to a brief description of vibration attenuation methods using granular materials [13]. A granular damping technique shows some similarities to classical impact damping.…”

Section: Introductionmentioning

confidence: 99%

A Novel Method for Changing the Dynamics of Slender Elements Using Sponge Particles Structures

2020

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The paper concerns problems related to controlling the dynamic properties of beam-like elements. The parameters of the investigated system can be changed by external factors, resulting in partial changes in the system mass redistribution. It is assumed that it is possible to control the system dynamics by shaping the object frequency structure. The paper introduces the mathematical model of the investigated cantilever beam filled with a Sponge Particle Structure. The continuous model has been simplified to a discrete multi-degree of freedom system. The influence of the system parameters on its behavior is discussed in details. The possible applications of the presented concept are proposed. The spectral vibration analyses were carried out. Theoretical considerations enabled the use of the preliminary semi-active method for controlling the vibration frequencies through a mass redistribution. Experimental studies were carried out to verify the proposed mathematical model.

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Section: Introductionmentioning

confidence: 99%

A Novel Method for Changing the Dynamics of Slender Elements Using Sponge Particles Structures

2020

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“…Due to its advantages such as effective damping effect, simple structure, low cost, easy implementation, no power requirement, and suitable for harsh environment, there have been many studies on the device recently, including single impact dampers, [1][2][3][4] BBD impact dampers, 5 multi-body impact dampers, 6 particle dampers, [7][8][9][10][11][12] non-obstructive particle dampers, 13,14 and impact damper with fine particles. [15][16][17][18][19][20] While various types of impact dampers exist, they have the same underlying damping mechanism: during vibration, momentums are exchanged and mechanical energy is dissipated via collisions.…”

Section: Introductionmentioning

confidence: 99%

Investigation of chattering behavior of impact damper

2017

Advances in Mechanical Engineering

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Impact dampers are able to reduce vibration effectively through impacts and thus have wide applications in mechanical control. This work investigated the chattering behavior of a two-degree-of-freedom impact damper. Chattering is a phenomenon of continuous collisions within a short time. A theoretical model was developed to obtain the completing position and time of chattering. The fourth-order Runge-Kutta method was adopted to numerically solve the model. The results of bifurcation diagram and temporal map were obtained with different parameters, confirming the validity of the model. Furthermore, the model showed that viscosity is an important parameter separating the completing chattering from the non-completing chattering. The results demonstrated that the model can help solve chattering of impact damper by developing better understanding of the underlying mechanisms.

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Research on a New Particle Impact Damper

Cited by 2 publications

References 10 publications

A Novel Method for Changing the Dynamics of Slender Elements Using Sponge Particles Structures

A Novel Method for Changing the Dynamics of Slender Elements Using Sponge Particles Structures

Investigation of chattering behavior of impact damper

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