Zobrazeno 1 - 10
of 180
pro vyhledávání: '"Mohammed Sobhy"'
Publikováno v:
Mathematics, Vol 12, Iss 21, p 3422 (2024)
This paper investigates the nonlinear dynamic deflection, natural frequency, and wave propagation in functionally graded (FG) porous piezoelectric microscale tubes under periodic load, hygrothermal conditions, and an external electric field. The piez
Externí odkaz:
https://doaj.org/article/a7f36a28025f449b9a9a31c49426b383
Publikováno v:
Symmetry, Vol 16, Iss 6, p 696 (2024)
Based on the differential quadrature procedure (DQP), the vibrational response of functionally graded (FG) sandwich annular plates enhanced with graphene platelets (GPLs) and with an FG porous core is illustrated in this paper. The current annular pl
Externí odkaz:
https://doaj.org/article/35d14b8025154e6fb0842334400e7b6f
Publikováno v:
Symmetry, Vol 16, Iss 5, p 577 (2024)
This research represents the first theoretical investigation about the vibration behavior of circular organic solar cells. Therefore, the vibration response of asymmetric circular organic solar cells that represent a perfect renewable energy source i
Externí odkaz:
https://doaj.org/article/48f7d628d97947dd80699f8445cdc80d
Publikováno v:
Mathematics, Vol 12, Iss 2, p 236 (2024)
The present work strives to explore some qualitative analysis for the governing equation describing the dynamic response of a piezoelectro-magnetic circular rod. As a result of the integrability study of the governed equation, which furnishes valuabl
Externí odkaz:
https://doaj.org/article/73f3a114e60c4e42946f22a120025123
Autor:
Mohammed Sobhy, Ahmed F. Radwan
Publikováno v:
Case Studies in Thermal Engineering, Vol 45, Iss , Pp 102934- (2023)
The sinusoidal four-variable shear deformation shell theory is employed, for the first time, to investigate the size dependent electro-hygrothermal bending of functionally graded (FG) sandwich piezoelectric cylindrical shells integrated with porous c
Externí odkaz:
https://doaj.org/article/1c5add5e89194b3ba20a47801dd7442a
Publikováno v:
Advances in Mechanical Engineering, Vol 14 (2022)
In this article, thermal buckling analysis of multilayer functionally graded graphene platelets (FGGPL) strengthened piezoelectric beam subjected to external electric voltage as well as humid conditions is illustrated. The effective Young’s modulus
Externí odkaz:
https://doaj.org/article/1313e230eb4047eb82cc0850f70076f4
Publikováno v:
Mathematics, Vol 10, Iss 21, p 4104 (2022)
This research is devoted to investigating the thermo-piezoelectric bending of functionally graded (FG) porous piezoelectric plates reinforced with graphene platelets (GPLs). A refined four-variable shear deformation plate theory is utilized consideri
Externí odkaz:
https://doaj.org/article/6ca116db9a154548900f77d3a984f77d
Publikováno v:
Mathematics, Vol 10, Iss 17, p 3207 (2022)
This paper studies wave propagation in a new structure composed of three layers. The upper and lower layers are made of a piezoelectromagnetic material reinforced with graphene platelets (GPLs) that may be uniformly disseminated or continuously varie
Externí odkaz:
https://doaj.org/article/203cb538f7b244518e782f0e02383ccb
Publikováno v:
Mathematics, Vol 10, Iss 15, p 2638 (2022)
This paper aims to study the hygrothermal buckling of smart graphene/piezoelectric circular nanoplates lying on an elastic medium and subjected to an external electric field. The circular nanoplates are made of piezoelectric polymer reinforced with g
Externí odkaz:
https://doaj.org/article/46a9293b629e4ef3bd9fdad1bdfd59fb
Autor:
Eniola R Ibirogba, Faheema Abduljalil Alshehabi, Afeefa Ashfaq Konchwalla, Mohammed Sobhy Badr Sobei, Amal Hassan Hassan Ismail
Publikováno v:
Journal of Family and Reproductive Health, Vol 14, Iss 1 (2020)
Objective: Isolated salpingeal torsion (IST) is a rare cause of acute abdomen in women of the reproductive age group. The lack of pathognomonic clinical, laboratory or radiographic findings makes early diagnosis a challenge. We describe a case of IST
Externí odkaz:
https://doaj.org/article/0ae1b9058b194cc387a24032b8b3a706