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Article

Strength Analysis of Alternative Airframe Layouts of Regional Aircraft on the Basis of Automated Parametrical Models

Strength Department, Central Aerohydrodynamic Institute, 1 Zhukovsky Street, 140180 Zhukovsky, Russia
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Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Academic Editor: Spiros Pantelakis
Aerospace 2021, 8(3), 80; https://doi.org/10.3390/aerospace8030080
Received: 30 November 2020 / Revised: 10 March 2021 / Accepted: 11 March 2021 / Published: 17 March 2021
This publication presents the results of complex parametrical strength investigations of typical wings for regional aircrafts obtained by means of the new version of the four-level algorithm (FLA) with the modified module responsible for the analysis of aerodynamic loading. This version of FLA, as well as a base one, is focused on significant decreasing time and labor input of a complex strength analysis of airframes by using simultaneously different principles of decomposition. The base version includes four-level decomposition of airframe and decomposition of strength tasks. The new one realizes additional decomposition of alternative variants of load cases during the process of determination of critical load cases. Such an algorithm is very suitable for strength analysis and designing airframes of regional aircrafts having a wide range of aerodynamic concepts. Results of validation of the new version of FLA for a high-aspect-ratio wing obtained in this work confirmed high performance of the algorithm in decreasing time and labor input of strength analysis of airframes at the preliminary stages of designing. During parametrical design investigation, some interesting results for strut-braced wings having high aspect ratios were obtained. View Full-Text
Keywords: aircraft structure; strut-braced wing; parametric modeling; decomposition principles; strength analysis; finite element method (FEM); doublet lattice method; four-level approach aircraft structure; strut-braced wing; parametric modeling; decomposition principles; strength analysis; finite element method (FEM); doublet lattice method; four-level approach
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MDPI and ACS Style

Vedernikov, D.V.; Shanygin, A.N.; Mirgorodsky, Y.S.; Levchenkov, M.D. Strength Analysis of Alternative Airframe Layouts of Regional Aircraft on the Basis of Automated Parametrical Models. Aerospace 2021, 8, 80. https://doi.org/10.3390/aerospace8030080

AMA Style

Vedernikov DV, Shanygin AN, Mirgorodsky YS, Levchenkov MD. Strength Analysis of Alternative Airframe Layouts of Regional Aircraft on the Basis of Automated Parametrical Models. Aerospace. 2021; 8(3):80. https://doi.org/10.3390/aerospace8030080

Chicago/Turabian Style

Vedernikov, Dmitry V., Alexander N. Shanygin, Yury S. Mirgorodsky, and Mikhail D. Levchenkov. 2021. "Strength Analysis of Alternative Airframe Layouts of Regional Aircraft on the Basis of Automated Parametrical Models" Aerospace 8, no. 3: 80. https://doi.org/10.3390/aerospace8030080

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