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TECHNICAL PAPERS

An Analytical and Experimental Analysis for a One-Dimensional Passive Stand-Off Layer Damping Treatment

[+] Author and Article Information
Jessica M. Yellin, I. Y. Shen, Per G. Reinhall, Peter Y. H. Huang

Mechanical Engineering Department, University of Washington, Seattle, WA 98195-2600

J. Vib. Acoust 122(4), 440-447 (Apr 01, 2000) (8 pages) doi:10.1115/1.1287789 History: Received May 01, 1999; Revised April 01, 2000
Copyright © 2000 by ASME
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References

Whittier, J. S., 1959, “The Effect of Configurational Additions Using Viscoelastic Interfaces on the Damping of a Cantilever Beam,” Wright Air Development Center, WADC Technical Report 58-568.
Falugi, M., Moon, Y., and Arnold, R., 1989, “Investigation of a Four Layer Viscoelastic Constrained Layer Damping System,” USAF/WL/FIBA/ASIAC, Report No. 189.1A.
Falugi, M., 1991, “Analysis of a Five Layer Viscoelastic Constrained Layer Beam,” Proceedings of Damping ’91, Vol. II, Paper No. CCB.
Parin, M., Rogers, L. C., Falugi, M., and Moon, Y., 1989, “Practical Stand-off Damping Treatment for Sheet Metal,” Proceedings of Damping ’89, Vol. II, Paper No. IBA.
Garrison,  M. R., Miles,  R. N., Sun,  J. Q., and Bao,  W., 1994, “Random Response of a Plate Partially Covered by a Constrained Layer Damper,” J. Sound Vib., 172, No. 2, pp. 231–245.
Rogers, L., and Parin, M., 1995, “Experimental Results for Stand-off Passive Vibration Damping Treatment,” Passive Damping and Isolation, Proceedings SPIE Smart Structures and Materials, Vol. 2445, pp. 374–383.
Tao, Y., Morris, D. G., Spann, F., and Haugse, E., 1999, “Low Frequency Noise Reducing Structures Using Passive and Active Damping Methods,” Passive Damping and Isolation, Proceedings SPIE Smart Structures and Materials, Vol. 3672.
Mead, D. J., 1999, Passive Vibration Control, Wiley, London.
Christensen, R. M., 1982, Theory of Viscoelasticity, Academic, New York.
Yang,  B., and Tan,  C. A., 1992, “Transfer Functions of One Dimensional Distributed Parameter Systems,” J. Appl. Mech., 59, pp. 1009–1014.
Soundcoat, Company Data Sheet for DYAD 606.
3M, Company Data Sheet for ISD 112.

Figures

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Field variables for beam fully treated with PSOL
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Free body diagram for PSOL beam
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Cantilever beam treated with PSOL
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w(1,iω)/w(0,iω) responses: various Gs with ηs=0 (no internal damping in SOL)
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w(1,iω)/w(0,iω) responses: various Gs with ηs=1 (viscoelastic SOL)
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Experimental setup for PSOL beams
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Shaker mounting bracket for cantilevered test beams
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Broadband theoretical to experimental frequency response for treated test beam with 2.64 mm (104 mil) SOL
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Broadband theoretical to experimental frequency response for treated test beam with 3.96 mm (156 mil) SOL

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