0
TECHNICAL PAPERS

Spectral Finite Element Analysis of Sandwich Beams With Passive Constrained Layer Damping

[+] Author and Article Information
Gang Wang, Norman M. Wereley

Smart Structures Laboratory, Alfred Gessow Rotorcraft Center, Dept. of Aerospace Engineering, University of Maryland, College Park, MD 20742

J. Vib. Acoust 124(3), 376-386 (Jun 12, 2002) (11 pages) doi:10.1115/1.1469007 History: Received April 01, 2000; Revised February 01, 2002; Online June 12, 2002
Copyright © 2002 by ASME
Your Session has timed out. Please sign back in to continue.

References

McTavish, D. J., and Hughes, P. C., 1992, “Finite Element Modeling of Linear Viscoelastic Structures: The GHM Method,” Proceedings of the 33rd AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference, Paper No. AIAA-92-2380-CP.
Lesieutre,  G. A., and Mingori,  D. L., 1990, “Finite Element Modeling of Frequency Dependent Materials Damping Using Augmenting Thermodynamic Fields,” AIAA J., 13(6), pp. 1040–1050.
Kerwin,  E. M., 1959, “Damping of Flexural Waves by a Constrained Viscoelastic Layer,” J. Acoust. Soc. Am., 31(7), pp. 952–962.
DiTaranto,  R. A., 1965, “Theory of Vibratory Bending for Elastic and Viscoelastic Layered Finite Length Beams,” ASME J. Appl. Mech., 87, pp. 881–886.
Mead,  D. J., and Marcus,  S., 1969, “The Forced Vibration of a Three-Layer Damped Sandwich Beam with Arbitrary Boundary Conditions,” J. Sound Vib., 10(2), pp. 163–175.
Lam,  M. J., Inman,  D. J., and Saunders,  W. R., 1997, “Vibration Control through Passively Constrained Layer Damping and Active Control,” J. Intell. Mater. Syst. Struct., 8, pp. 663–677.
Liao, W. H., and Wang, K. W., 1995, “On the Active-Passive Vibration Control Actions of Structures with Active Constrained Layer Treatment,” ASME Design Engineering Technical Conferences, 84-3. pp. 125–141.
van Nostrand, W. C., Knowles, G., and Inman, D., 1994, “Finite Element Models for Active Constrained Layer Damping,” SPIE Conference on Smart Structures and Materials, Vol. 2193. pp. 126–136.
Lesieutre, G., and Lee, U., 1997, “A Finite Element for Beams Having Segmented Active Constrained Layers with Frequency-Dependent Viscoelastic Materials Properties,” SPIE Conference on Smart Structures and Materials, Vol. 3045, pp. 315–328.
Douglas, B. E., 1977, “The Transverse Vibratory Response of Partially Constrained Elastic-Viscoelastic Beams,” Ph.D. Thesis, Dept. Mechanical Engg., Univ. of Maryland at College Park.
Doyle, J, 1997, Wave Propagation in Structures, Springer-Verlag.
Baz, A, 1998, “Spectral Finite Element Modeling of The Longitudinal Wave Propagation in Rods Treated with Active Constrained Layer Damping,” 4th ESSM and 2nd MIMR Conference, pp. 607–619.
Crawley,  E. F., and de Luis,  J., 1987, “Use of Piezoelectric Actuators as Elements of Intelligent Structures,” AIAA J., 25(10), pp. 1373–1385.
Crawley,  E. F., and Anderson,  E. H., 1990, “Detailed Models of Piezo-ceramic Actuation of Beams,” J. Intell. Mater. Syst. Struct., 1(1), pp. 4–25.
Austin,  Eric M., 1999, “Variations on Modeling of Constrained-Layer Damping Treatments,” The Shock and Vibration Digest 31(4), pp. 275–280.
Wang, G., and Wereley, N. M., 1998, “Frequency Response Of Beams with Passive Constrained Damping Layers and Piezo-Actuators,” SPIE Conference on Smart Structures and Materials, Vol. 3327. pp. 44–60.
ScotchDamp Vibration Control Systems, 1993, Product Information and Performance Data, 3M.

Figures

Grahic Jump Location
Schematic of cantilevered beam with passive constrained layer damping (PCLD)
Grahic Jump Location
Sandwich beam deflections and nodal degrees of freedom in SFEM
Grahic Jump Location
The effects of number of elements on modal frequencies for specimen 1 having 75% PCLD treatment
Grahic Jump Location
The effects of number of elemente on modal frequencies for specimen 2 having 50% PCLD treatment
Grahic Jump Location
Frequency Response function from the piezoelectric voltage input to the tip displacement output: the PCLD treatment covers 75% of the length of the base beam: SFEM has 4 elements while CFEM has 18 elements plus internal dissipation coordinates
Grahic Jump Location
Frequency Response function from the piezoelectric voltage input to the tip displacement output; the PCLD treatment covers 50% of the length of the base beam: SFEM has 5 elements while CFEM has 18 elements plus internal dissipation coordinates

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In