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Effect of rotation and relaxation times on plane waves in generalized thermo-visco-elasticity

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  • S. K. Roychoudhuri
  • Santwana Mukhopadhyay

Abstract

The generalized dynamical theory of thermo-elasticity proposed by Green and Lindsay is applied to study the propagation of harmonically time-dependent thermo-visco-elastic plane waves of assigned frequency in an infinite visco-elastic solid of Kelvin-Voigt type, when the entire medium rotates with a uniform angular velocity. A more general dispersion equation is deduced to determine the effects of rotation, visco-elasticity, and relaxation time on the phase-velocity of the coupled waves. The solutions for the phase velocity and attenuation coefficient are obtained for small thermo-elastic couplings by the perturbation technique. Taking an appropriate material, the numerical values of the phase velocity of the waves are computed and the results are shown graphically to illustrate the problem.

Suggested Citation

  • S. K. Roychoudhuri & Santwana Mukhopadhyay, 2000. "Effect of rotation and relaxation times on plane waves in generalized thermo-visco-elasticity," International Journal of Mathematics and Mathematical Sciences, Hindawi, vol. 23, pages 1-9, January.
    • Handle: RePEc:hin:jijmms:317356
    DOI: 10.1155/S0161171200001356
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