|تعداد مشاهده مقاله||111,715,464|
|تعداد دریافت فایل اصل مقاله||86,328,373|
Design and simulation Sandwich Composite Fairing Shells Using FEM Analyzing
|Journal of Computational Applied Mechanics|
|دوره 53، شماره 1، خرداد 2022، صفحه 55-65 اصل مقاله (1.82 M)|
|نوع مقاله: Research Paper|
|شناسه دیجیتال (DOI): 10.22059/jcamech.2022.334707.670|
|Mahdi Jafari1؛ Amir Kaveh* 2؛ Amirreza Ardebili3؛ Omid Moini Jazani4|
|1Department of Aerospace engineering, Malek Ashtar University of Technology, Tehran, Iran|
|2Polymer Engineering Department, Amirkabir University of Technology, Tehran, Iran|
|3Composite Materials Department, Materials & Manufacturing Technology Faculty, Malek Ashtar University of Technology, Tehran, Iran|
|4Department of Chemical Engineering, Faculty of Engineering, University of Isfahan, Isfahan, Iran|
|In order to investigate and improve the destructive effects of maneuvers that the flying body has during a flight in space, it is necessary to know the forces acting on the flying body. In this paper, an analysis of the composite sandwich structure of a launch vehicle fairing is considered. This study explores carbon-fiber-reinforced skins with different cores used to deploy satellites and can be used as a space habitat. In order to calculate the effective forces on sandwich skins, finite element method (FEM) was used to determine three-dimensional stress and strain. Three types of structural models with honeycomb and solid core under dynamic loads were compared and evaluated. Models were compared in three category of stress distribution, strain and weight. The honeycomb core pattern helps reduce the structure's weight up to half of the structure compared to a solid core. The effect of mesh size sensitivity applied on simulations. The results showed that the amount of stress and strain were the same in all models and only differed in dispersion. However, the composite sandwich structure with aluminum core showed more strength against the applied forces.|
|Honeycomb sandwich structures؛ Fairing؛ Satellite؛ Aerodynamic flight load؛ FEM Mesh Sensitivity|
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