Some Pitfalls of Simplified Modeling for Viscoelastic Sandwich Beams-Reference-Cited by-同舟云学术

Some Pitfalls of Simplified Modeling for Viscoelastic Sandwich Beams

Published:2000-03-01 Issue:4 Volume:122 Page:434-439
ISSN:1048-9002
Container-title:Journal of Vibration and Acoustics
language:en
Short-container-title:

Author:

Austin Eric M.¹,Inman Daniel J.¹

Affiliation:

1. Center for Intelligent Material Systems and Structures, Mail Code 0261, Virginia Polytechnic Institute & State University, Blacksburg, VA 24061

Abstract

It is commonplace in academia to base models of constrained-layer damping treatments on the assumption that the facesheets displace identically during transverse vibrations. This assumption is valid for a large range of problems, particularly for problems common in the era when damping was achieved by applying foil-backed treatments to thin panels. The authors show using a very simple example that oversimplified modeling can skew distributions of modal strain energy, a common indicator of damping. [S0739-3717(00)00204-X]

Publisher

ASME International

Subject

General Engineering

Link

http://asmedigitalcollection.asme.org/vibrationacoustics/article-pdf/122/4/434/5826246/434_1.pdf

Reference30 articles.

1. Austin, E. M. , 1999, “Variations on Modeling of Constrained-Layered Damping Treatments,” Shock Vibr. Dig., 31, No. 4, pp. 275–280.

2. Kerwin, E. M. , 1959, “Damping of Flexural Waves by a Constrained Visco-Elastic Layer,” J. Acoust. Soc. Am., 31, pp. 952–962.

3. DiTaranto, R. A. , 1965, “Theory of Vibratory Bending for Elastic and Viscoelastic Layered Finite-Length Beams.” ASME J. Appl. Mech., 32, pp. 881–886.

4. Mead, D. J., and Markus, S., 1969, “The Forced Vibration of a Three-Layer, Damped Sandwich Beam with Arbitrary Boundary Conditions,” ASME J. Vibr. Acoust., 10, No. 2, pp. 163–175.

5. Nakra, B. C. , 1976, “Vibration Control With Viscoelastic Materials,” Shock Vibr. Dig., 8, No. 6, pp. 3–12.

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