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MBD-CFD Coupled Analysis for Design Verification of Aircraft Flap Mechanism

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Abstract

Aircraft flap mechanisms require high safety standards because they must withstand large, complex forms of aerodynamic loads during flight. This paper proposes a computational analysis methodology for verifying the design of the aircraft flap-driving mechanism through MBD (Multi-Body Dynamics) and investigates the operating environment of the flap for analysis. Specifically, the aerodynamic loads obtained from CFD (Computational Fluid Dynamics) were applied using One-way and two-way Co-Simulation methods to analyze the MBD. From the analysis, the required actuator capacity to drive the flap and mechanical jamming between the rolle and the rail were investigated using the proposed flap mechanism analysis methodology. The analysis results indicated that the flap model under this study experienced mechanical jamming during flap deployment.

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Acknowledgements

This work was supported by the Technology Innovation Program (RS-2023-00257080, Development for Integrated Composite Control Surface and Mechanism) funded by the Ministry of Trade, Industry & Energy(MOTIE, Korea) and the Institute of Engineering Research at Seoul National University.

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Authors and Affiliations

  1. Department of Aerospace Engineering, Seoul National University, Seoul, South Korea

    Min Gyu Chung, Jong Yun Han & Gun ** Yun

  2. Korea Aerospace Industries, LTD, Sacheon, South Korea

    Kyu Beom Kim

  3. Institute of Advanced Aerospace Technology, Seoul National University, Seoul, South Korea

    Gun ** Yun

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  1. Min Gyu Chung
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  2. Jong Yun Han
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  4. Gun ** Yun
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Correspondence to Gun ** Yun.

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Communicated by Jae Hyuk lim.

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Chung, M.G., Han, J.Y., Kim, K.B. et al. MBD-CFD Coupled Analysis for Design Verification of Aircraft Flap Mechanism. Int. J. Aeronaut. Space Sci. (2024). https://doi.org/10.1007/s42405-024-00755-z

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  • DOI: https://doi.org/10.1007/s42405-024-00755-z

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