Publications

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2019
Hussein, O. S., and S. B. Mulani, "Nonlinear aeroelastic stability analysis of in-plane functionally graded metal nanocomposite thin panels in supersonic flow", Thin-Walled Structures, vol. 139, pp. 398-411, 2019.
2018
Hussein, O. S., and S. B. Mulani, "Optimization of in-plane functionally graded panels for buckling strength: Unstiffened, stiffened panels, and panels with cutouts", Journal of Thin-Walled Structures, vol. 122, pp. 173-181, 2018.
Hussein, O. S., and S. B. Mulani, "Reliability-based optimization of in-plane functionally graded CNT reinforced composite plates", Journal of Structural and Multidisciplinary Optimization, vol. 58, issue 3, pp. 1221-1232, 2018.
2017
Hussein, O. S., and S. B. Mulani, "Two-Dimensional Optimization of Functionally Graded Material Plates Subjected to Buckling Constraints", AIAA Confernce, Grapevine, Texas, USA, Jan. 2017.
Hussein, O. S., and S. B. Mulani, "Multi-dimensional optimization of functionally graded material composition using polynomial expansion of the volume fraction", Structural and Multidisciplinary Optimization, vol. 56, no. 2, pp. 271–284, Aug, 2017. AbstractWebsite

The work of this paper proposes a method for multi-dimensional optimization of functionally graded materials (FGMs) composition. The method is based on using polynomial expansion of the volume fraction of the constituent materials. In this approach, the design variables are the coefficients of the polynomial expansion which to be determined through the optimization process. This method provides much more flexibility in the design compared to the methods based on the power-law, or the exponential-law which will in turn lead to more optimal designs. Also it requires much less number of design variables compared to the grid based approaches which is also utilized for two-dimensional optimization of FGMs structures. As an application of the proposed method, the optimization of a simply supported Aluminum plate reinforced with Silicon Carbide nano-particles is considered. Cost plays a very important role for this type of structures, since the cost of the reinforcements such as Silicon Carbide nano-particles, or carbon nano-tubes is too high. So the aim of the optimization process is to minimize the amount of the reinforcement required to satisfy certain performance criteria. Both static, and dynamic cases are considered in this work; a plate under a transverse pressure distribution is considered as the static case, and the panel flutter problem as the dynamic case.

Hussein, O. S., and S. B. Mulani, "Featured article: Multi-dimensional optimization of functionally graded material composition", Advances in Engineering Magazine, 2017.
2013
S.Hussein, O., N. AbulFoutouh, and H. M. Negm, "GEOMETRIC NONLINEAR AEROELASTIC ANALYSIS OF HIGH ASPECT RATIO WINGS", 7th Ankara International Aerospace Conference, Ankara, Turkey, 09/2013.
Hussein, O. S., Finite element Aeroleastic Analysis of Complete Aircraft Cofiguration, , Egypt, Cairo University, 2013.
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