NDLI: Evaluation of structural parameters on linear/non-linear design spaces of the Joined Wing Sensorcraft

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Evaluation of structural parameters on linear/non-linear design spaces of the Joined Wing Sensorcraft

Content Provider	Semantic Scholar
Author	Coelho, André Lúıs Gomes
Copyright Year	2016
Abstract	The United States Air Force requested an aircraft capable of transporting sets of advanced sensor over very large distances and at extreme altitudes. To achieve these objectives, an unconventional aircraft is required. The Joined Wing Sensorcraft, from Boeing, may be the solution to this problem. Although this new design could have instabilities due to geometric nonlinearity, not normally investigated in preliminary designs. In this paper, different structural parameters were explored in order to understand the behavior of this type of configuration. The parameters that will be focus on are the joints and the stiffness of the members that compose the aircraft. Sensitivity analyses and carpet plots were generated on linear and non-linear analysis. During the development of this study, it was found three different types of geometric nonlinearity that can occur with this type of structure. To carry out this study, matching a high fidelity model with a simplified beam model is needed, in order to decrease the time to generate the design space. Furthermore, a few static test on the airplane and also material tests were made to identify how accurate the high fidelity model is when compared with the actual UAV already produced.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://fenix.tecnico.ulisboa.pt/downloadFile/281870113702870/TESE_andrecoelho_correction_20042016.pdf
Alternate Webpage(s)	https://fenix.tecnico.ulisboa.pt/downloadFile/281870113702871/ExtendedAbstract_andrecoelho_correction_20042016.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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