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1 International Journal of Applied Mechanics and Engineering

1 2011

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The effect of thermal relaxation times on wave propagation of a micropolar thermoelastic medium with voids due to various sources

Othman M. I. A., Lotfy K.

International Journal of Applied Mechanics and Engineering

2011

Vol. 16, no 3

791-807

A model of the equations of a two-dimensional problem with the deformation of a micropolar generalized thermoelastic medium with voids under the influence of various sources is formulated in the context of the Lord-Shulman, Green-Lindsay theories, as well as the classical dynamical coupled theory. The normal mode analysis is used to obtain the exact expressions of the displacement components, force stress, coupled stress, change in volume fraction field and temperature distribution. Numerical results are given and illustrated graphically when the volume source is applied. Comparisons are made with the results predicted by the three theories in the presence and absence of material constants due to voids.