Mitsubishi Heavy Industries Technical Review
    Vol. 56 No. 1 (2019)   New Products & Technologies
    Technical Papers

    Practical Application of Large-scale unsteady CFD Analysis for Aircraft Design

    Minoru Yoshimoto,
    Takeshi Yanagi,
    Atsushi Hashimoto,
    Takashi Ishida,
    Takashi Aoyama

    In aircraft design and development, large-scale steady CFD analysis has been frequently used in design processes such as aerodynamic configuration design and evaluation of aerodynamic performance and loading. It results in creation of new design concepts for product competitiveness improvement and extraction and reduction of risks in design and development due to design without prototyping and front loading. However, it is limited in aircraft design to apply large-scale unsteady CFD analysis to simulate buffeting phenomena on aircraft with high angles of attack, and to simulate cavity flows around gear bays when landing gears are down or those around weapon bays when weapons are released. Mitsubishi Heavy Industries, Ltd. (MHI) has decided to apply FaSTAR, which is a high-speed unsteady CFD analysis tool developed by Japan Aerospace Exploration Agency (JAXA), to actual projects after promoting speed-up and accuracy verification and confirming its usefulness.
    (This article is written in Japanese and only the abstract is written in English.)