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Identification of Dynamic Properties and Wave Propagation in Viscoelastic Bars

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High Velocity Deformation of Solids
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Summary

The stress distributions in an elastic-viscoelastic bar system subjected to the impact loading are analyzed by the Laplace transform method. Examples are given to the Maxwell, Voigt, and 4-parameter models.

Further the identification of dynamic properties of viscoelastic materials is treated by comparing the analytical results with experimental results. The method of identification is based on the iterative method. Dynamic properties of viscoelastic materials under consideration of the dependence on frequencies are identified.

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Literature

  1. Sackman, J.L., Kaya, I.: On the determination of very early-time viscoelastic properties. J.Mech.Phy.Solids 16 (1968) 121–132.

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  2. Nakagawa, N., Kawai, R. and Akao, M.: Impact waves at the interface of an elastic-viscoelastic bar. Joint JSME-ASME Appl.Mech. Western Conference (1975) 81–88.

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  3. Nakagawa, N., Kawai, R. and Akao, M.: An analysis of wave motion in a viscoelstic specimen of the split-Hopkinson pressure bar. Theoretical and Appl.Mech.25 (1977) 175–186.

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  4. Lee, E.H. and Morrison, J.A.: A comparison of the propagation of longitudinal waves in rods of viscoelastic materials. J.Polymer Science 19 (1956) 93–110.

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© 1979 Springer-Verlag, Berlin/Heidelberg

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Nakagawa, N., Kawai, R., Sasaki, T. (1979). Identification of Dynamic Properties and Wave Propagation in Viscoelastic Bars. In: Kawata, K., Shioiri, J. (eds) High Velocity Deformation of Solids. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-67208-8_29

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  • DOI: https://doi.org/10.1007/978-3-642-67208-8_29

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-67210-1

  • Online ISBN: 978-3-642-67208-8

  • eBook Packages: Springer Book Archive

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