Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Vahid Khalafi"'
Autor:
Vahid Khalafi, Jamshid Fazilati
Publikováno v:
Journal of Theoretical and Applied Vibration and Acoustics, Vol 4, Iss 2, Pp 171-188 (2018)
A NURBS-based isogeometric finite element formulation is developed and adopted to the free vibration analysis of finite square and skew laminated plates. Variable stiffness plies are assumed due to implementation of curvilinear fiberreinforcements. I
Externí odkaz:
https://doaj.org/article/8bd6a99716664c53beee4cebf5fca204
Publikováno v:
International Journal of Applied Mechanics. 15
In this study, a cubic NURBS-based isogeometric finite element method is developed to study the aeroelastic tailoring of variable stiffness composite laminated (VSCL) plates, including skew, skew-tapered, tapered, and circular shapes based on third-o
Autor:
Vahid Khalafi, Jamshid Fazilati
Publikováno v:
Chinese Journal of Aeronautics, Vol 34, Iss 1, Pp 266-280 (2021)
The bonded repair techniques seem to be the most frequent procedures in the aviation maintenance. The achieved composite repaired perforated thin-walled plate is a complex geometry with high numerical analysis cost. The NURBS-based Isogeometric Analy
Publikováno v:
International Journal of Applied Mechanics. 13
In this study, the optimization of free vibration and flutter analysis of a composite plate with the implementation of different boundary conditions is investigated. The governing equations of a composite plate are obtained using the first shear defo
Publikováno v:
Thin-Walled Structures. 179:109638
Publikováno v:
Energy Conversion and Management. 196:581-590
One of the main challenges of employing lithium-ion batteries specially in large-scale applications is overheating due to the heat generation. In this work, the effect of using Potassium Polyacrylate, a superabsorbent hydrogel, on decrease in the max
Autor:
Vahid Khalafi, Jamshid Fazilati
Publikováno v:
Journal of Reinforced Plastics and Composites. 38:885-895
The optimization of linear flutter behavior of the thin plates made from tow-steered fiber-reinforced laminates is investigated. In the tow-steered variable stiffness composite laminates, the fiber...
Autor:
Vahid Khalafi, Jamshid Fazilati
Publikováno v:
Thin-Walled Structures. 133:96-105
For the first time, the parametric instability regions of variable stiffness laminated composite quadrilateral plates subjected to uniform in-plane loadings are studied. The static as well as time-varying inplane loadings are assumed distributed thro
Autor:
Jamshid Fazilati, Vahid Khalafi
Publikováno v:
Journal of Fluids and Structures. 82:198-214
An enhanced isogeometric finite element method is developed to investigate the free vibration analysis as well as the linear flutter characteristics of finite square as well as skew laminated plates. The laminates are assumed composed of variable sti
Publikováno v:
Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering. 233:1715-1727
In the present paper, the aero-thermo-elastic behavior of a finite (three-dimensional) cylindrical curved panel geometry made from functionally graded material under high supersonic airflow is investigated. A generalized differential quadrature formu