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Taj, Muhammad,Khadimallah, Mohamed A.,Hussain, Muzamal,Elbahar, Mohamed,Safeer, Muhammad,Asghar, Sehar,Mujalli, Mohammed,Qazaq, Amjad,Ahmad, Monzoor,Elaloui, Elimame,Tounsi, Abdelouahed Techno-Press 2021 Advances in nano research Vol.10 No.6
An isotropic Pasternak-Like model is considered to elaborate the behavior of electric potential of neural tissue when immersed within elastic medium. Special attention is paid to the non dimensionlization of the parameters of the surrounding elastic medium. We found that shear layer potential per unit area and is the Winkler foundation-like constant, are two constants of Pasternak-like model and they actually effect on the potential of neural tissue. It is found that elastic medium affects the potential behavior of neural tissue. Elastic medium effect on the potential behavior of neural tissue is due to the Pasternak foundation parameters. Therefore the surrounding medium affects the potential of neural tissue during its transportation of functioning.
The effects of ring and fraction laws: Vibration of rotating isotropic cylindrical shell
Khadimallah, Mohamed A.,Hussain, Muzamal,Elbahar, Mohamed,Ghandourah, E.,Elimame, Elaloui,Tounsi, Abdelouahed Techno-Press 2021 Advances in nano research Vol.11 No.1
This paper deals with the specific influence of three different fraction laws for vibrational analysis of rotating cylindrical shells. The rotating cylindrical shells are stabilized by ring-stiffeners to increase the stiffness and strength. Isotopic materials are the constituents of these rings. The frequencies are investigated versus circumferential wave number, length- and height-to- radius ratios using three volume fraction laws. Moreover, the effect of rotation speed is investigated. It is examined that the backward and forward frequencies increase and decrease on increasing the ratio of height- and length-to-radius ratio. When the position of ring supports increases, the backward and forward frequency first increases and obtains its maximum value at the shell mid length position and then decreases and get a bell shape with clamped-clamped and clamped-free conditions. The assessment of present model is judged with the comparison of non-rotating and rotating results with former exploration.
An investigation of mechanical properties of kidney tissues by using mechanical bidomain model
Taj, Muhammad,Khadimallah, Mohamed A.,Hussain, Muzamal,Elbahar, Mohamed,Ahmad, Monzoor,Elimame, Elaloui,Zaman, Shakeel ul,Tounsi, Abdelouahed Techno-Press 2021 Advances in nano research Vol.11 No.2
In this study, mechanical bidomain model is used to study the mechanical behavior of kidney tissues. This model has been used widely to study cardiac tissue and cell colony. On recognizing same structural and somehow same physiological relationship between cardiac tissue and kidney tissue, the displacements in different regions of kidney and the integrins, i. e., nephron coupling the intracellular medulla and extracellular cortex is analyzed. The mechanical Bidomain model provides a microscopic description of kidney tissue mechanics and also predicts the microscopic coupling of extracellular cells region of kidney tissue, i.e., cortex and the intracellular cells region medulla of kidney.
Mechanics of anisotropic cardiac muscles embedded in viscoelastic medium
Taj, Muhammad,Khadimallah, Mohamed Amine,Hussain, Muzamal,Ghandourah, E.,Safeer, Muhammad,Elbahar, Mohamed,Khan, Manzoor,Elimame, Elaloui Techno-Press 2021 Advances in concrete construction Vol.12 No.1
In the present work the author incorporated the surrounding medium with Hodgkin Huxley model to account the effect of surroundings on the flow of current in cardiac muscles fibers. The Hodgkin Huxley Kelvin like model is developed here and then the governing equations are solved by appropriate mathematical methods and the obtained results are compared with the previous experimental findings. Through obtained solutions, we check the mechanical properties in actual environment of cardiac muscles fibres and compare our findings with experimental results. Previous Hodgkin Huxley model did not give any idea about the medium, in which the cardiac muscles are immersed. The new developed model accounts the effect of medium efficiently on the current flow along with fiber's stimulation in cardiac muscles.
An innovative system for novel vibration of rotating FG shell with combination of fraction laws
Khadimallah, Mohamed Amine,Hussain, Muzamal,Al-Thobiani, Faisal,Elbahar, Mohamed,Al Naim, Abdullah F.,Elimame, Elaloui,Harbaoui, Imene,Tounsi, Abdelouahed Techno-Press 2021 Advances in concrete construction Vol.12 No.2
A new model with the combination of the Galerkin's technique have been developed for functionally graded cylindrical shell. For the vibrations of rotating cylindrical shells, three volume fraction laws i.e., polynomial, trigonometric and exponential are combined mathematically. The obtained results show that by increasing length-to-radius and height-to-radius ratios, the backward and forward frequency value decreases and increases, respectively. Moreover, on increasing the rotating speed, the backward frequencies increases and forward frequencies decreases. The results generated furnish the evidence regarding applicability of present model with clamped-clamped boundary conditions and also verified by earlier published literature.
Propagation of waves with nonlocal effects for vibration response of armchair double-walled CNTs
Ali, Zainab,Khadimallah, Mohamed Amine,Hussain, Muzamal,Asghar, Sehar,Al-Thobiani, Faisal,Elbahar, Mohamed,Elimame, Elaloui,Tounsi, Abdelouahed Techno-Press 2021 Advances in nano research Vol.11 No.2
In this paper, vibration characteristics of double-walled carbon nanotubes (CNTs) are studied based upon nonlocal elastic shell theory. The significance of small scale is being perceived by developing nonlocal Love shell model. The wave propagation approach has been utilized to frame the governing equations as eigen value system. The influence of nonlocal parameter subjected to diverse end supports has been overtly analyzed. An appropriate selection of material properties and nonlocal parameter has been considered. The influence of changing mechanical parameter Poisson's ratio has been investigated in detail. It is found that the frequencies decrease as nonlocal parameter increases and for the certain values of nonlocal parameter against range of Poisson ratio rise slowly with length double-walled CNTs. The dominance of boundary conditions via nonlocal parameter is shown graphically. The results generated furnish the evidence regarding applicability of nonlocal shell model and also verified by earlier published literature.