scholarly journals A novel model for photothermal excitation of variable thermal conductivity semiconductor elastic medium subjected to mechanical ramp type with two-temperature theory and magnetic field

2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Kh. Lotfy
Keyword(s):  
Magnetic Field ◽  
Thermal Conductivity ◽  
Elastic Medium ◽  
Variable Thermal Conductivity ◽  
Novel Model ◽  
Two Temperature

Effect of magnetic field and gravity on two-temperature thermomicrostretch elastic medium under dual-phase lag model

2019 ◽  
Vol 94 (1) ◽  
pp. 69-79
Author(s):  
Mohamed I. A. Othman ◽  
Magda E. M. Zidan ◽  
Ibrahim E. A. Mohamed
Keyword(s):  
Magnetic Field ◽  
Elastic Medium ◽  
Phase Lag ◽  
Dual Phase ◽  
Lag Model ◽  
Two Temperature

Influence of Initial Stress and Variable Thermal Conductivity on a Fiber-Reinforced Magneto-Thermoelastic Solid with Micro-Temperatures by Multi-Phase-Lags Model

2021 ◽  
pp. 2250007
Author(s):  
Amnah M. Alharbi ◽  
Samia M. Said ◽  
Elsayed M. Abd-Elaziz ◽  
Mohamed I. A. Othman
Keyword(s):  
Magnetic Field ◽  
Thermal Conductivity ◽  
Initial Stress ◽  
Thermodynamic Temperature ◽  
Variable Thermal Conductivity ◽  
Fiber Reinforced ◽  
Phase Lags ◽  
Multi Phase ◽  
The Impact ◽  
Physical Quantities

This paper presents the theory of multi-phase-lags thermoelasticity that was used to study the wave propagation on a fiber-reinforced thermoelastic medium with micro-temperatures. The medium was considered to be homogeneous, isotropic and thermal conductivity as a linear function of thermodynamic temperature. The Fourier transform and Laplace transform are employed to solve the governing equations and obtained the solution of the physical quantities. The graphical illustrations of the impact that initial stress, variable thermal conductivity, magnetic field, and the phase-lags have on the field functions are presented. The variable thermal conductivity, initial stress, and magnetic field have a good impact in all the physical quantities.

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