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Effect of initial stress and rotation on magneto-thermoelastic material with voids and energy dissipation

Mohamed Ibrahim A. Othman (Department of Mathematics, Faculty of Science, Zagazig University, Zagazig, Egypt) (Department of Mathematics, Faculty of Science, Taif University, Taif, Saudi Arabia)
Mohamed Ibrahim M. Hilal (Department of Mathematics, Faculty of Science, Zagazig University, Zagazig, Egypt) (Department of Basic Sciences, Faculty of Engineering Sciences, Sinai University, Al-Arish, Egypt)

Multidiscipline Modeling in Materials and Structures

ISSN: 1573-6105

Article publication date: 14 August 2017

169

Abstract

Purpose

The purpose of this paper is to study the effect of rotation and initial stress on magneto-thermoelastic material with voids heated by a laser pulse heating.

Design/methodology/approach

The analytical method used was the normal mode analysis technique.

Findings

Numerical results for the physical quantities were presented graphically and analyzed. The graphical results indicate that the effect of rotation, initial stress and magnetic fields are observable physical effects on the thermoelastic material with voids heated by a laser pulse. Comparisons are made with the results in the absence and the presence of the physical operators, also at various times.

Originality/value

In the present work, the authors shall investigate the effect of the rotation, initial stress, magnetic field and laser pulse on thermoelastic material with voids subjected to a laser pulse heating acting as a thermal shock. A comparison is also made between the two types (types II and III) of Green-Naghdi theory in the absence and the presence of the physical operators. Such problems are very important in many dynamical systems.

Keywords

Citation

Othman, M.I.A. and Hilal, M.I.M. (2017), "Effect of initial stress and rotation on magneto-thermoelastic material with voids and energy dissipation", Multidiscipline Modeling in Materials and Structures, Vol. 13 No. 2, pp. 331-346. https://doi.org/10.1108/MMMS-09-2016-0047

Publisher

:

Emerald Publishing Limited

Copyright © 2017, Emerald Publishing Limited

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