Particle impact damping: effect of mass ratio, material, and shape

Marhadi, Kun; Kinra, Vikram K.

doi:10.1016/j.jsv.2004.04.013

Cited by 96 publications

(61 citation statements)

References 8 publications

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“…The friction deceleration, µ, still appears to be a useful value for comparing the damping efficiency of sub-optimal granular dampers. The quadratic decay of energy with time in a granular system attached to a linear spring has been reported before [7,23,24,47]. Surprisingly, the same behavior is found also for rather different dampers such as thrust-based damping [48] and impact dampers [49][50][51][52].…”

Section: Phenomenological Model Of Granular Damperssupporting

confidence: 67%

Movers and shakers: Granular damping in microgravity

Bannerman¹,

Kollmer²,

Sack³

et al. 2011

Phys. Rev. E

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The response of an oscillating granular damper to an initial perturbation is studied using experiments performed in microgravity and granular dynamics simulations. High-speed video and image processing techniques are used to extract experimental data. An inelastic hard sphere model is developed to perform simulations and the results are in excellent agreement with the experiments. The granular damper behaves like a frictional damper and a linear decay of the amplitude is observed. This is true even for the simulation model, where friction forces are absent. A simple expression is developed which predicts the optimal damping conditions for a given amplitude and is independent of the oscillation frequency and particle inelasticities.

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Section: Phenomenological Model Of Granular Damperssupporting

confidence: 67%

Movers and shakers: Granular damping in microgravity

Bannerman¹,

Kollmer²,

Sack³

et al. 2011

Phys. Rev. E

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show abstract

“…Friend and Kinra [9] applied the particle damping method on cantilever beam and showed 50 % improvement in damping capacity with a very small weight penalty. Later, Marhadi and Kinra [18] extended particle impact damping (PID) method to cover different materials and established its effectiveness. The characterization of particle damping has also been attempted by Mao et al [17], using discrete element method which simulates the behavior of granular materials in three-dimension.…”

Section: Introductionmentioning

confidence: 99%

Investigation into effect of particle impact damping (PID) on surface topography in boring operation

Biju

Shunmugam

2014

Int J Adv Manuf Technol

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This paper presents a novel method, based on the particle impact damping (PID), for the attenuation of regenerative vibration in boring operation. A specially designed boring bar having a cavity near machining-end for partial filling of spherical particles has been developed. Characteristics of boring bar with and without PID have been found from impact and shaker tests. After identifying appropriate particle size and filling volume, experiments are conducted to evaluate the performance in actual boring operations. Additional boring experiments are also conducted to confirm the performance by changing particle size and filling volumes. The collision of the particles in PID is found to attenuate regenerative vibration by the energy dissipation and thus effectively enhances stability of the boring operation. Analysis of effect of PID on surface topography in terms of chatter marks, surface roughness, and roundness of bored holes shows that the proposed method results in improvement of bore quality when compared with a boring bar without PID. It is also established that radial vibration of the boring bar has a significant influence on the surface topography obtained in boring operation.

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“…As reported in previous literatures [10,12,14,16,18,25,[30][31][32], we utilize a cantilever beam to imitate a primary system of single degree of freedom, as shown in Fig. 2.…”

Section: Modeling a Cantilever Beam With Fpidmentioning

confidence: 99%

“…Experimental and numerical methods are used to understand the physics of the PID. Experiments are conducted by Panossian [5,22], Papalou and Masri [23,24], Tomlinson et al [3], Saeki [25], Olson [26], Xu et al [27][28][29], Mao et al [30], Wu et al [31], Marhadi and Kinra [32], and Wong et al [33]. Most of the numerical simulations [18,25,26,30,33] are based on the discrete element method (DEM), which is initially proposed by Cundal and Strack [34].…”

Section: Introductionmentioning

confidence: 99%

Modeling the fine particle impact damper

2010

International Journal of Mechanical Sciences

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Particle impact damping: effect of mass ratio, material, and shape

Cited by 96 publications

References 8 publications

Movers and shakers: Granular damping in microgravity

Movers and shakers: Granular damping in microgravity

Investigation into effect of particle impact damping (PID) on surface topography in boring operation

Modeling the fine particle impact damper

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