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Dr. Khalil Mohamed Khalil Mohamed :: Publications:

Title:
Thermoelastic Processes by a Continuous Heat Source Line in an Infinite Solid via Moore–Gibson–Thompson Thermoelasticity
Authors: Ahmed E. Abouelregal; Ibrahim-Elkhalil Ahmed; Mohamed E. Nasr;Khalil M. Khalil; Adam Zakria; Fawzy A. Mohammed
Year: 2020
Keywords: Moore–Gibson–Thompson heat equation; thermoelasticity; heat source; unbounded solid
Journal: Materials
Volume: 13
Issue: 19
Pages: 1-17
Publisher: MDPI
Local/International: International
Paper Link:
Full paper Khalil Mohamed Khalil Mohamed_materials-13-04463.pdf
Supplementary materials Not Available
Abstract:

Many attempts have been made to investigate the classical heat transfer of Fourier, and a number of improvements have been implemented. In this work, we consider a novel thermoelasticity model based on the Moore–Gibson–Thompson equation in cases where some of these models fail to be positive. This thermomechanical model has been constructed in combination with a hyperbolic partial differential equation for the variation of the displacement field and a parabolic differential equation for the temperature increment. The presented model is applied to investigate the wave propagation in an isotropic and infinite body subjected to a continuous thermal line source. To solve this problem, together with Laplace and Hankel transform methods, the potential function approach has been used. Laplace and Hankel inverse transformations are used to find solutions to different physical fields in the space–time domain. The problem is validated by calculating the numerical calculations of the physical fields for a given material. The numerical and theoretical results of other thermoelastic models have been compared with those described previously.

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