Effect of variable thermal conductivity during the photothermal diffusion process of semiconductor medium

K Lotfy - Silicon, 2019 - Springer
In this problem, we study the effect of variable thermal conductivity, which depend on
temperature in the context of Photothermal diffusion (PTD). The PTD process is applied with …

[HTML][HTML] Electromagnetic Hall current effect and fractional heat order for microtemperature photo-excited semiconductor medium with laser pulses

AMS Mahdy, K Lotfy, MH Ahmed, A El-Bary, EA Ismail - Results in Physics, 2020 - Elsevier
In this paper, the elastic semiconductor medium is exposed to outer laser pulses. The laser
pulses cause vibrations in the inner structure of the medium with the time fractional heat …

[PDF][PDF] 广义热弹性问题研究进展

田晓耕, 沈亚鹏 - 2012 - lxjz.cstam.org.cn
广义热弹性问题研究进展 Page 1 第42 卷第1 期 力学进展 Vol. 42 No. 1 2012 年1 月25 日
ADVANCES IN MECHANICS Jan. 25, 2012 广义热弹性问题研究进展 ∗ 田晓耕† 沈亚鹏 西安 …

[HTML][HTML] A problem for an infinite elastic body with a spherical cavity in the theory of generalized thermoelastic diffusion

M Aouadi - International journal of solids and structures, 2007 - Elsevier
In this work, we study a one-dimensional problem in a generalized thermoelastic diffusion in
infinite medium with a spherical cavity subjected to a time dependent thermal shock of its …

Fractional order theory of thermoelastic diffusion

MA Ezzat, MA Fayik - Journal of Thermal Stresses, 2011 - Taylor & Francis
In this work, a new theory of thermodiffusion in elastic solids is derived using the
methodology of fractional calculus. The theories of coupled thermoelastic diffusion and of …

A novel model of magneto photothermal diffusion (MPD) on polymer nano-composite semiconductor with initial stress

K Lotfy - Waves in Random and Complex Media, 2021 - Taylor & Francis
In this article, a novel model of the magneto-thermoelasticity theory is introduced in the
context of the photothermal transport process. The chemical action and initial stress (IS) …

Generalized theory of thermoelastic diffusion for anisotropic media

M Aouadi - Journal of Thermal Stresses, 2008 - Taylor & Francis
The equations of generalized thermoelastic diffusion, based on the theory of Lord and
Shulman with one relaxation time, are given in anisotropic media. A variational principle for …

[HTML][HTML] Propagation of Lamb waves in transversely isotropic thermoelastic diffusive plate

R Kumar, T Kansal - International Journal of Solids and Structures, 2008 - Elsevier
The constitutive relations and field equations for anisotropic generalized thermoelastic
diffusion are derived and deduced for a particular type of anisotropy, ie transverse isotropy …

A novel model of photothermal diffusion (PTD) for polymer nano-composite semiconducting of thin circular plate

K Lotfy - Physica B: Condensed Matter, 2018 - Elsevier
In this article, theoretical discussions for a novel mathematical-physical Photothermal
diffusion (PTD) model in the generalized thermoelasticity theory with photothermal …

Generalized mathematical novel model of thermoelastic diffusion with four phase lags and higher-order time derivative

AE Abouelregal - The European Physical Journal Plus, 2020 - epjplus.epj.org
In this work, taking into account the influences of thermal and diffusion, a new four-phase-lag
model comprising the macroscopic and microscopic is constructed. The introduced model is …