Effect of thermal loading due to laser pulse on thermoelastic porous medium under G-N theory
Mohamed I.A. Othman, M. Marin
Results in Physics · 2017
doi:10.1016/j.rinp.2017.10.012 (opens in a new tab)
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Abstract
The aim of this paper is to study the wave propagation of generalized thermoelastic medium with voids under the effect of thermal loading due to laser pulse with energy dissipation. The material is a homogeneous isotropic elastic half-space and heated by a non-Gaussian laser beam with the pulse duration of 0.2 ps. A normal mode method is proposed to analyse the problem and obtain numerical solutions for the displacement components, stresses, temperature distribution and the change in the volume fraction field. The results of the physical quantities have been illustrated graphically by comparison between both types II and III of Green-Naghdi theory for two values of time, as well as with and without void parameters. Keywords: Laser pulse, Voids, Energy dissipation, Green-Naghdi theory, Wave propagation, Thermoelasticity
Abstract licence: CC BY-NC
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