Zobrazeno 1 - 10
of 128
pro vyhledávání: '"Mohamed A Eltaher"'
Publikováno v:
Materials Research Express, Vol 9, Iss 4, p 045701 (2022)
In the context of the finite elements analysis, the mechanical performance of viscoelastically bonded smart structures is investigated and analyzed. Three different models are considered and compared. In the 1st model, the actuator is glued to the ho
Externí odkaz:
https://doaj.org/article/34ed2fc29a8047718f3b8e5f1ec8338f
Publikováno v:
Journal of Applied and Computational Mechanics, Vol 9, Iss 1, Pp 239-258 (2023)
This article develops a mathematical model to study the static stability of bi-directional functionally graded porous unified plate (BDFGPUP) resting on elastic foundation. The power function distribution is proposed for the gradation of material con
Externí odkaz:
https://doaj.org/article/767026ec75004d60af728c98ebe06627
Publikováno v:
Journal of Applied and Computational Mechanics, Vol 8, Iss 4, Pp 1422-1430 (2022)
This article aims to investigate the free vibration of axial and bi-directional functionally graded (2D-FG) two-dimensional plane stress strip by using finite element method. The rule of mixture based on Vogit model is proposed to describe the change
Externí odkaz:
https://doaj.org/article/b7b95fd830d04a22ae881208a49c79c4
Autor:
Ahmed Amine Daikh, Mohamed Sid Ahmed Houari, Mohamed Ouejdi Belarbi, Salwa A. Mohamed, Mohamed A. Eltaher
Publikováno v:
Defence Technology, Vol 18, Iss 10, Pp 1778-1809 (2022)
This manuscript presents the comprehensive study of thickness stretching effects on the free vibration, static stability and bending of multilayer functionally graded (FG) carbon nanotubes reinforced composite (CNTRC) nanoplates. The nanoscale and mi
Externí odkaz:
https://doaj.org/article/9ed13872245845cc81a80b2d36b5708a
Autor:
Nidal H. Abu-Hamdeh, Radi A. Alsulami, Muhyaddin J.H. Rawa, Abdulmalik A. Aljinaidi, Mashhour A. Alazwari, Mohamed A. Eltaher, Khalid H. Almitani, Khaled A. Alnefaie, Abdullah M. Abusorrah, Hatem F. Sindi, Marjan Goodarzi, Mohammad Reza Safaei
Publikováno v:
Case Studies in Thermal Engineering, Vol 28, Iss , Pp 101413- (2021)
The present study was numerically inquired the heat transfer performance and fluid flow characteristic of a helical micro double-tube heat exchanger (HMDTHX) using the finite volume method. The tube length was considered to be constantly equal to 30
Externí odkaz:
https://doaj.org/article/75d5231eacea4bbe911b10a510ad39c0
Publikováno v:
Mathematics, Vol 10, Iss 15, p 2614 (2022)
This study presents a mathematical size-dependent model capable of investigating the dynamic behavior of a sandwich perforated nanobeam incorporating the flexoelectricity effect. The nonlocal strain gradient elasticity theory is developed for both co
Externí odkaz:
https://doaj.org/article/b9b0fd34f9e942bc9e0092a5788e4c2c
Autor:
Emad E. Ghandourah, Ahmed A. Daikh, Abdulsalam M. Alhawsawi, Othman A. Fallatah, Mohamed A. Eltaher
Publikováno v:
Mathematics, Vol 10, Iss 8, p 1321 (2022)
To improve the structural stiffness, strength and reduce the weight of nanoplate structure, functionally graded (FG) graphene-reinforced nanocomposite (GRNC) laminated plates are exploited in this paper. The bending and buckling behaviors of FG-GRNC
Externí odkaz:
https://doaj.org/article/60a5341effd042e392c2e2ed5c361423
Autor:
Khalid H. Almitani, Nazira Mohamed, Mashhour A. Alazwari, Salwa A. Mohamed, Mohamed A. Eltaher
Publikováno v:
Mathematics, Vol 10, Iss 6, p 887 (2022)
This paper presents exact solutions for the nonlinear bending problem, the buckling loads, and postbuckling configurations of a perfect and an imperfect bioinspired helicoidal composite beam with a linear rotation angle. The beam is embedded on an el
Externí odkaz:
https://doaj.org/article/6707194a5e4e4e75a3736427d30148e9
Publikováno v:
Mathematics, Vol 10, Iss 7, p 1084 (2022)
The objective of this manuscript is to develop, for the first time, a mathematical model for the prediction of buckling, postbuckling, and nonlinear bending of imperfect bio-inspired helicoidal composite beams with nonlinear rotation angle. The equil
Externí odkaz:
https://doaj.org/article/3f403623c63d413fb5d4432e7609f206
Autor:
Ammar Melaibari, Ahmed Amine Daikh, Muhammad Basha, Ahmed W. Abdalla, Ramzi Othman, Khalid H. Almitani, Mostafa A. Hamed, Alaa Abdelrahman, Mohamed A. Eltaher
Publikováno v:
Mathematics, Vol 10, Iss 4, p 583 (2022)
This article presents a mathematical continuum model to analyze the free vibration response of cross-ply carbon-nanotube-reinforced composite laminated nanoplates and nanoshells, including microstructure and length scale effects. Different shell geom
Externí odkaz:
https://doaj.org/article/09878117ba7744fb970f8425cab7823e