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Determining the applicability limits of different accuracy models when analyzing the loads on the landing gear during landing

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Abstract

In this paper, the limits of models different accuracy applicability in the simulation of aircraft rough landing on a runway was analyzed. Three models were considered: a detailed global model, an elastic beam model that takes into account stiffness and mass-inertial characteristics, and an absolutely rigid beam model that takes into account only mass-inertial characteristics. The reduction of the detailed model to the beam ones was carried out according to the beam theory. As a result, the forces acting to the main landing gear were obtained for various combinations of vertical and horizontal speeds, pitch and roll angles. The errors of the beam models relative to the detailed one were obtained and the limits of their applicability were given.

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Authors and Affiliations

  1. Moscow Aviation Institute (National Research University), Moscow, Russia

    Roman Trifonov, Kirill Shelkov, Sergey Perepechaev & Andrey Boykov

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  1. Roman Trifonov
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  2. Kirill Shelkov
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  3. Sergey Perepechaev
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  4. Andrey Boykov
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Correspondence to Kirill Shelkov.

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Trifonov, R., Shelkov, K., Perepechaev, S. et al. Determining the applicability limits of different accuracy models when analyzing the loads on the landing gear during landing. AS (2024). https://doi.org/10.1007/s42401-023-00253-2

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  • DOI: https://doi.org/10.1007/s42401-023-00253-2

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