Optimization process for configuration of flexible joined-wing |
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Authors: | C.C. Rasmussen R.A. Canfield M. Blair |
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Affiliation: | (1) Air Force Institute of Technology, Department of Aeronautics and Astronautics, AFIT/ENY, Wright-Patterson AFB, 2950 Hobson Way, Dayton, OH 45433-7765, USA;(2) Air Force Research Laboratory, Air Vehicles Directorate, AFRL/VA, Wright-Patterson AFB, 2130 Eighth Street, Dayton, OH 45433, USA |
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Abstract: | An optimized configuration design utilizing both structural and aerodynamic analyses of a flexible joined-wing configuration is presented in this paper. The joined-wing aircraft concept fulfills a proposed long-endurance surveillance mission and incorporates a load-bearing antenna structure embedded in the wing skin. Aerodynamic, structural, and optimization analyses are completed a number of times. A range of joined-wing configurations were trimmed for critical flight conditions and then structurally optimized for trimmed flight and gust loads to achieve a minimum weight for each configuration. A response surface statistical analysis was then applied to determine optimal joined-wing aircraft configurations. The response surface showed trends in the design of lightweight joined-wing aircraft. The revised version of this paper was presented at the 10th MAO Multidisciplinary Analysis and Optimization Conference, August 30–September 1, 2004. |
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Keywords: | Configuration design Multidisciplinary optimization Response surface methodology |
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