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Computational Evaluation of Aerodynamic Loading on Retractable Landing-Gears

Engineering Department, University of Campania Luigi Vanvitelli, Via Roma 29, 81031 Aversa, Italy
Altran Italy, Strada del Drosso 33, 10135 Torino, Italy
Leonardo Aircraft Company, 80038 Pomigliano d’Arco, Italy
Author to whom correspondence should be addressed.
Aerospace 2020, 7(6), 68;
Received: 21 April 2020 / Revised: 15 May 2020 / Accepted: 26 May 2020 / Published: 29 May 2020
Computational fluid dynamics is employed to evaluate the mean aerodynamic loading on the retractable landing-gears of a regional transport commercial aircraft. The mean turbulent flow around simplified landing-gear systems including doors is simulated by using the Reynolds-averaged Navier–Stokes approach, where the governing equations are solved with a finite volume-based numerical method. Using a dynamic meshing method, the computational grid is automatically and continuously adapted to the time-changing geometry, while following the extension/retraction of the landing-gear systems. The temporal evolution of the aerodynamic forces on both the nose and the main landing-gears, along with the hinge moments of the doors, is numerically predicted. The proposed computational modeling approach is verified to have good practical potential when compared with reference experimental data provided by the Leonardo Aircraft structural loads group. View Full-Text
Keywords: industrial aerodynamics; aircraft landing-gears; computational fluid dynamics industrial aerodynamics; aircraft landing-gears; computational fluid dynamics
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MDPI and ACS Style

De Stefano, G.; Natale, N.; Reina, G.P.; Piccolo, A. Computational Evaluation of Aerodynamic Loading on Retractable Landing-Gears. Aerospace 2020, 7, 68.

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