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TECHNICAL PAPERS

An Experimental Study of Particle Damping for Beams and Plates

[+] Author and Article Information
Zhiwei Xu

The Aeronautical Science Key Laboratory for Smart Materials and Structures, Nanjing University of Aeronautics and Astronautics, Nanjing, China

Michael Yu Wang

Department of Automation and Computer-Aided Engineering, The Chinese University of Hong Kong, Hong Kong, ChinaE-mail: mywang@ieee.org

Tianning Chen

College of Mechanical Engineering, Xi’an Jiaotong University, Xi’an, China

J. Vib. Acoust 126(1), 141-148 (Feb 26, 2004) (8 pages) doi:10.1115/1.1640354 History: Received December 01, 2002; Revised May 01, 2003; Online February 26, 2004
Copyright © 2004 by ASME
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References

Figures

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A sketch of the test beam with particle holes
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A schematic of experiment setup
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Arrangement of measurement points and excitation point
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Frequency response of the beam with and without the damper holes
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Frequency response of the drilled beam with and without the particles
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Acceleration response of the beam for different particle diameters with packing ratio of 100% at measurement point #1
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Acceleration response of the beam for different particle diameters with packing ratio of 90% at measurement point #1
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Acceleration frequency response of the beam for different particle diameters with packing ratio 50% at measurement point #1
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Frequency response of the beam near the resonances at measurement point #1
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Acceleration amplitude of the beam for tungsten particles and stainless steel particles respectively
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Free vibration at the third mode of the beam. (a) Without Particles. (b) With particle of ϕ0.5 and packing ratio 100%.
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(a) A schematic of the test plate. (b) Locations of measurement and excitation points. (c) Partial filling of particles in the holes.
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Acceleration amplitude of the plate at measurement point #2
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Acceleration amplitude of the plate at measurement point #3

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