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Effect of thermal loading due to laser pulse on 3-d problem of micropolar thermoelastic solid with energy dissipation

Othman M. I. A., Atwa S. Y., Elwan A. W.

Mechanics and Mechanical Engineering

2017

Vol. 21, nr 3

679--701

The aim of this paper is to introduce the Green-Naghdi (G-N) theory of type III (with energy dissipation) to study the effect of thermal loading due to laser pulse on generalized micropolar thermoelastic homogeneous isotropic medium in three dimensions. The normal mode analysis technique is used to solve the resulting non-dimensional equations of the problem. Numerical results for the displacement, thermal stress, strain, temperature, couple stresses and micro-rotation distributions are represented graphically to display the effect of the laser pulse on the resulting quantities. Comparisons are made within the theory in the presence and absence of the laser pulse.