Random Response of a Plate Partially Covered By a Constrained Layer Damper

An analysis is presented of the random vibration of a plate which is partially covered by a constrained layer damper that incorporates a spacer layer to enhance damping effectiveness. The spacer layer is assumed to be rigid in shear and to have no bending stiffness. The spacer enhances the damping e...

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Published in:Journal of sound and vibration 1994-04, Vol.172 (2), p.231-245
Main Authors: Garrison, M.R., Miles, R.N., Sun, J.Q., Bao, W.
Format: Article
Language:English
Subjects:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Structural and continuum mechanics
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
Vibrations and mechanical waves
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container_issue 2
container_start_page 231
container_title Journal of sound and vibration
container_volume 172
creator Garrison, M.R.
Miles, R.N.
Sun, J.Q.
Bao, W.
description An analysis is presented of the random vibration of a plate which is partially covered by a constrained layer damper that incorporates a spacer layer to enhance damping effectiveness. The spacer layer is assumed to be rigid in shear and to have no bending stiffness. The spacer enhances the damping effectiveness by inducing additional shear deformation in the adhesive layer. The analytical model accounts for both shear and thickness deformation of the adhesive layer. A parametric study is conducted to optimize the position, coverage area and the thickness of the damper. It is found that the incorporation of the spacer layer permits the use of a damper having reduced coverage area and, hence, less added weight without compromising damping effectiveness.
doi_str_mv 10.1006/jsvi.1994.1171
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subjects Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Structural and continuum mechanics
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
Vibrations and mechanical waves
title Random Response of a Plate Partially Covered By a Constrained Layer Damper
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