Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Rasha M. Abo-bakr"'
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:
Alexandria Engineering Journal, Vol 59, Iss 3, Pp 1661-1675 (2020)
This article investigates effects of axial load distribution on buckling loads and their modes of functionally graded (FG) beams including a shear effect for the first time, since all previous studies focused on constant axial load. The parabolic hig
Externí odkaz:
https://doaj.org/article/546cf010ff63482e927be2004c64aa03
Publikováno v:
Soft Computing. 26:605-619
This paper concerns with solving nonlinear boundary value problems with Dirichlet boundary conditions by a novel approximation technique based on Bernstein polynomials and meta-heuristic algorithms. A trial solution is expressed as a weighted sum of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2062c776b6aa39e902b33c2e40cc5065
https://doi.org/10.1007/s00500-021-06535-1
https://doi.org/10.1007/s00500-021-06535-1
Weight optimization of axially functionally graded microbeams under buckling and vibration behaviors
Publikováno v:
Mechanics Based Design of Structures and Machines. 51:213-234
This article presents a study of multiobjective shape optimization of nonuniform microbeams made of functionally graded materials (FGMs). The goal is to discover the optimal shape functions and vol...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0fe29f46e445fefbd40553f757d833cf
https://doi.org/10.1080/15397734.2020.1838298
https://doi.org/10.1080/15397734.2020.1838298
Publikováno v:
Engineering with Computers. 38:255-276
Because of fasttechnological development, electrostatic nanoactuator devices like nanosensors, nanoswitches, and nanoresonators are highly considered by scientific community. Thus, this article presents a new solution technique in solving highly nonl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::053551d07b77f2b3503c1aeaa494ec84
https://doi.org/10.1007/s00366-020-01146-0
https://doi.org/10.1007/s00366-020-01146-0
Publikováno v:
Alexandria Engineering Journal, Vol 59, Iss 3, Pp 1661-1675 (2020)
This article investigates effects of axial load distribution on buckling loads and their modes of functionally graded (FG) beams including a shear effect for the first time, since all previous studies focused on constant axial load. The parabolic hig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04c48fdb43364288e5e99005e24d3cb5
http://www.sciencedirect.com/science/article/pii/S1110016820301526
http://www.sciencedirect.com/science/article/pii/S1110016820301526
Publikováno v:
Engineering with Computers. 36:1929-1946
Static stability of beams subjected to nonuniform axial compressive and shear loads is essential in many industrial applications, such as aircraft, automotive, mechanical, civil and naval. Thus, this article tends to investigate and optimize critical
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af2fe145a5b32daa7b877b842f5a3408
https://doi.org/10.1007/s00366-020-01023-w
https://doi.org/10.1007/s00366-020-01023-w
Publikováno v:
Composite Structures. 278:114691
This paper proposes a multi-objective particle swarm optimization (MOPSO) algorithm integrated with a semi-analytical solution to solve optimization problems of lightweight design of bi-directional functionally graded (BDFG) beams for maximum fundame
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c296f39d850d1a4af6958efc85e29d68
https://doi.org/10.1016/j.compstruct.2021.114691
https://doi.org/10.1016/j.compstruct.2021.114691
Publikováno v:
Composite Structures. 258:113193
In real situation, magnitude, distribution and/or location of axial loads causing a buckling are not known precisely, due to a lack of loading under different operational conditions. Thus, functionally graded structures have to be designed optimally
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4813618aa23ac947b989bd0126223268
https://doi.org/10.1016/j.compstruct.2020.113193
https://doi.org/10.1016/j.compstruct.2020.113193
Publikováno v:
Composite Structures. 258:113370
Nonuniform microbeams made of functionally graded materials (FGMs) have been studied extensively in literature to predict their mechanical and thermal behavior, those demonstrated that each of material variation, non-uniformity and micro-scale effect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e926536b423b67c0a4d9bfb30be83466
https://doi.org/10.1016/j.compstruct.2020.113370
https://doi.org/10.1016/j.compstruct.2020.113370