Effect of rotation and magnetic field on a numerical-refined heat conduction in a semiconductor medium during photo-excitation processes

AMS Mahdy, K Lotfy, A El-Bary, HH Sarhan - The European Physical …, 2021 - Springer
A novel model in photo-thermoelasticity theory is investigated in the paper understudy. The
model is obtained theoretically for a semiconductor elastic medium, which is in a rotation …

Thermal-piezoelectric problem of a semiconductor medium during photo-thermal excitation

AK Khamis, K Lotfy, AA El-Bary… - Waves in Random …, 2021 - Taylor & Francis
The main goal of this paper is to develop a mathematical model for the piezoelectric elastic-
semiconductor medium. The medium is homogeneous and isotropic that is exposed to …

[HTML][HTML] The influence of variable thermal conductivity of semiconductor elastic medium during photothermal excitation subjected to thermal ramp type

M Yasein, N Mabrouk, K Lotfy, AA El-Bary - Results in Physics, 2019 - Elsevier
In this article, the photothermal excitation and thermal conductivity of a semiconducting
elastic medium due to variable temperature effect are studied. The dual-phase-lag (DPL) …

Analytical solution of magneto-photothermal theory during variable thermal conductivity of a semiconductor material due to pulse heat flux and volumetric heat source

AMS Mahdy, K Lotfy, W Hassan… - Waves in Random and …, 2021 - Taylor & Francis
In this investigation, the variable thermal conductivity, which depends on a linear function of
temperature, is studied during photothermal excitation processes. The influence of the …

A novel model for Photothermal excitation of variable thermal conductivity semiconductor elastic medium subjected to mechanical ramp type with two-temperature …

K Lotfy - Scientific Reports, 2019 - nature.com
This article focuses on studying the dependence of the thermal conductivity of a
semiconducting medium on temperature in context of photothermal transport process and …

Numerical solutions for solving model time‐fractional Fokker–Planck equation

AMS Mahdy - Numerical Methods for Partial Differential …, 2021 - Wiley Online Library
In this work, we use two different techniques to discuss approximate analytical solutions for
the time‐fractional Fokker–Planck equation (TFFPE), namely the new iterative method (NIM) …

Photo-thermal-elastic interaction in a functionally graded material (FGM) and magnetic field

K Lotfy, RS Tantawi - Silicon, 2020 - Springer
In this work, we aim to investigate the photo-thermal-elastic waves interaction in a nano-
composite semiconductor, elastic and functionally graded material (FGM). The governing …

A rotational gravitational stressed and voids effect on an electromagnetic photothermal semiconductor medium under three models of thermoelasticity

FS Bayones, AA Kilany, AE Abouelregal… - … Based Design of …, 2023 - Taylor & Francis
In the current article, the main aim is to investigate a new model on a volume fraction,
photothermal, initial stress, electromagnetic field, gravity, and rotation effect on an isotropic …

Photothermal and void effect of a semiconductor rotational medium based on Lord–Shulman theory

AA Kilany, SM Abo-Dahab, AM Abd-Alla… - … Based Design of …, 2022 - Taylor & Francis
In this article the photothermal and void parameters of a semiconductor rotational medium
are investigated when there is a fixed thermal relaxation time. We obtain the displacement …

Magneto-photo-thermo-microstretch semiconductor elastic medium due to photothermal transport process

K Lotfy, AA El-Bary - Silicon, 2022 - Springer
Electro-magnetic-thermal-microstretch elastic mathematical-physical model of
semiconductor medium is investigated. The governing equations are studied in the context …