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KSME international journal v.18 no.3, 2004년, pp.347 - 356   피인용횟수: 1

Flexural Vibration Analysis of a Sandwich Beam Specimen with a Partially Inserted Viscoelastic Layer

Park, Jin-Tack   (Department of Mechanical Design and Producation, Graduate School, Hanyang UniversityUU0001519  ); Park, Nak-Sam   (Department of Mechanical Engineering, Hanyang UniversityUU0001519  );
  • 초록

    The flexural vibration characteristics of a sandwich beam system with a partially inserted viscoelastic layer were quantitatively studied using the finite element analysis in combination with the sine-sweep experiment. Asymmetric mode shapes of the flexural vibration were visualized by holographic interferometry, which agreed with those obtained by the finite element simulation. Effects of the length and the thickness of the partial viscoelastic layer on the system loss factor (η $\_$ s/) and resonant frequency (f $\_$ r/) were significantly large for both the symmetric and asymmetric modes of the beam system.


  • 주제어

    Sandwich Beam Specimen .   Viscoelastic Layer .   Sine-Sweep Test .   Flexural Vibration Damping .   Resonant Frequency .   Modal Strain Energy Method.  

  • 참고문헌 (13)

    1. Saito, H. and Tani, H., 1984, 'Vibrations of Bonded Beams with a Single Lap Adhesive Joint,' Journal of Sound and Vibration, Vol. 92(2), pp. 299-309 
    2. Trompette, P., Boillot, D. and Ravanel, M. A., 1978, 'The Effect of Boundary Conditions on the Vibration of a Viscoelastically Damped Cantilever Beam,' Journal of Sound and Vibration, Vol. 60(3), pp. 345-350 
    3. Rao, M. D. and He, S., 1992b, 'Vibration Analysis of Adhesively Bonded Lap Joint, Part II : Numerical Solution,' Journal of Sound and Vibration, Vol. 152(3), pp. 417-425 
    4. Rao, M. D. and He, S., 1992c, 'Analysis of Natural Frequencies and Modal Loss Factors of Simply Supported Beams with Adhesively Bonded Double-Strap Joints,' Journal of Acoustical Society of America, Vol. 92(1), pp. 268-276 
    5. Rao, M. D. and Crocker, M. J., 1990, 'Analytical and Experimental Study of the Vibration of Bonded Beams with a Lap Joint,' Trans. of the ASME, J. of Vibration and Acoustics, Vol. 112, pp. 444-451 
    6. Rao, M. D. and He, S., 1992a, 'Vibration Analysis of Adhesively Bonded Lap Joint, Part I : Theory,' Journal of Sound and Vibration, Vol. 152(3), pp. 405-416 
    7. Kim, C. H. and Park T. H., 1992, 'Analytical and Experimental Study on the Damping of Vibrating Layered Plates Including the Effects of Shear and Thickness Deformation of the Adhesive Layer,' Journal of the Korean Society of Mechanical Engineers, Vol. 7, pp. 1224-1254 
    8. Kohnke, P., 1995, Ansys Manual : Theory Reference-Release 5.3, Ansys Inc., Houston 
    9. Lall, A. K., Asnani, N. T. and Nakra, B. C., 1988, 'Damping Analysis of Partially Covered Sandwich Beams,' Journal of Sound and Vibration, Vol. 123(2), pp. 247-259 
    10. Paz, M., 1997, Structural Dynamics : Theory and Computation, Chapman & Hall, New York 
    11. Choi, N. S. and Park, J. I., 2001, 'Analysis of the Vibration Damping of Bonded Beams with a Single-Lap-Joint and Partial Dampers,' JSME International Journal Series C, Vol. 44, No. 2, pp. 350-359 
    12. Ditaranto, R. A., 1965, 'Theory of Vibratory Bending for Elastic and Viscoelastic Layered Finite-Length Beams,' Journal of Applied Mechanics, Vol. 32, pp. 881-886 
    13. Johnson, C. D. and Kienholz, 1992, 'Finite Element Prediction of Damping in Structures with Constrained Viscoelastic Layers,' D.A., AIAA Journal, Vol. 20, pp. 1284-1290 
  • 이 논문을 인용한 문헌 (1)

    1. 2005. "" Journal of mechanical science and technology, 19(6): 1243~1252     

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  • Park, Nak-Sam (1)

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