DESIGN OPTIMIZATION OF FAIRING SANDWICH CYLINDRICAL AND CONICAL STRUCTURES FOR LAUNCH VEHICLES, USING HYBRID ALGORITHM

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MOZAFFARI ALI; MOROVAT FOOZIEH; ROSHANIAN JAFAR; ZARE HADI

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Journal: Modares Mechanical Engineering Year:2016 | Volume:16 | Issue:3 Page(s): 331-341

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Title

DESIGN OPTIMIZATION OF FAIRING SANDWICH CYLINDRICAL AND CONICAL STRUCTURES FOR LAUNCH VEHICLES, USING HYBRID ALGORITHM

Author(s)

MOZAFFARI ALI | MOROVAT FOOZIEH | ROSHANIAN JAFAR | ZARE HADI | Issue Writer Certificate

Keywords

COMPOSITE SANDWICH STRUCTUREQ1

FAIRINGQ1

LUNCH VEHICLEQ2

OPTIMIZATIONQ2

HYBRID ALGORITHMQ1

Abstract

In this study, optimum design of COMPOSITE SANDWICH STRUCTUREs will be surveyed and presented using HYBRID ALGORITHM. Since, most modern payload FAIRINGs are constructed of a composite sandwich laminate, in this research the architecture of the FAIRING structure has been analyzed on the basis of the composite sandwich shell with a flexible core. However, from the geometrical point of view, FAIRING composed of two conical and cylindrical parts. Therefore, in the first phase, buckling analysis of conical composite sandwich shell has been done by using high-order theories and the obtained equations reduce to the governing equations of cylindrical sandwich shell when the semi-cone angle is set equal to zero. In the second phase, the obtained structure was optimized using HYBRID ALGORITHM. Due to the variety and complexity of design variables in COMPOSITE SANDWICH STRUCTUREs, engineering design process leads to difficulties and obstacles in design OPTIMIZATION problems. Since, the most important selected discipline for improvement the mass specifications of launch vehicle is structure, therefore, relying on structural OPTIMIZATION, after OPTIMIZATION process, finally considerable mass reduction i.e. 40 percent comparing to the utilized FAIRING in this study (Fairing of Safir), will be concluded due to simultaneous changing of material and OPTIMIZATION.

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APA: Copy

MOZAFFARI, ALI, MOROVAT, FOOZIEH, ROSHANIAN, JAFAR, & ZARE, HADI. (2016). DESIGN OPTIMIZATION OF FAIRING SANDWICH CYLINDRICAL AND CONICAL STRUCTURES FOR LAUNCH VEHICLES, USING HYBRID ALGORITHM. MODARES MECHANICAL ENGINEERING, 16(3), 331-341. SID. https://sid.ir/paper/178500/en

Vancouver: Copy

MOZAFFARI ALI, MOROVAT FOOZIEH, ROSHANIAN JAFAR, ZARE HADI. DESIGN OPTIMIZATION OF FAIRING SANDWICH CYLINDRICAL AND CONICAL STRUCTURES FOR LAUNCH VEHICLES, USING HYBRID ALGORITHM. MODARES MECHANICAL ENGINEERING[Internet]. 2016;16(3):331-341. Available from: https://sid.ir/paper/178500/en

IEEE: Copy

ALI MOZAFFARI, FOOZIEH MOROVAT, JAFAR ROSHANIAN, and HADI ZARE, “DESIGN OPTIMIZATION OF FAIRING SANDWICH CYLINDRICAL AND CONICAL STRUCTURES FOR LAUNCH VEHICLES, USING HYBRID ALGORITHM,” MODARES MECHANICAL ENGINEERING, vol. 16, no. 3, pp. 331–341, 2016, [Online]. Available: https://sid.ir/paper/178500/en

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