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Physics understanding and modeling based on high-fidelity numerical analysis

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JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22EDA201J01 Subject Category: Aeronautical Technology PDF Responsible Representative: FUJII Kenji, Director, Aviation Technology Directrate, Fundamental Aeronautics Research Unit Contact Information: Abe Hiroyuki(abe.hiroyuki@jaxa.jp) Members: Hiroyuki Abe, Manabu Hisida, Ryohei Kirihara, Takuhito Kuwabara, Yuichi Matsuo, Shingo Matsuyama, Yasuhiro Mizobuchi, Taisuke Nambu, Takeshi Okabe, Kei Shimura, Yukari Sakano, Hiroki Yao Abstract The aim is to model key phenomena of turbulence, fuel atomization, and combustion based on physics understanding by detailed and high-fidelity simulations・・・<<read more>>

Numerical analyses for CFD workshops

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JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22EDA201G27 Subject Category: Aeronautical Technology PDF Responsible Representative: Atsushi Hashimoto, Aviation Technology Directorate, Aircraft Lifecycle Innovation Hub Contact Information: Andrea Sansica(sansica.andrea@jaxa.jp) Members: Kenji Hayashi, Tomoaki Matsuzaki, Yoimi Kojima, Andrea Sansica, Paul Zehner, Markus Zauner Abstract APC-8 was held to investigate the aerodynamic characteristics of the NASA Common Research Model High-Lift (CRM-HL) configuration. We calculated the CRM-HL characteristics with RANS/URANS and confirmed the data superiority of warm start. Reference URL Please・・・<<read more>>

Numerical Prediction of aerodynamic characteristics over the eVTOL Configurations

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JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22EDA201G25 Subject Category: Aeronautical Technology PDF Responsible Representative: Atsushi Hashimoto Contact Information: Kanako Yasue(yasue.kanako@jaxa.jp) Members: Jun Hashimoto, Masatoshi Kanayama, Atsushi Shinozuka, Shota Taniguchi, Kanako Yasue Abstract Various types of eVTOL (electric vertical take-off and landing aircraft) have been proposed to develop new mobility markets such as air taxis, and global competition is intensifying. However, the development history of eVTOL is relatively short, and there is little data for designing products・・・<<read more>>

Research of numerical prediction for the flight stability

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JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22EDA201G26 Subject Category: Aeronautical Technology PDF Responsible Representative: Kazuyuki Nakakita, Aeronarutical Technology Directorate, Aircraft Life Cycle Innovation Hub Contact Information: Yoimi Kojima(kojima.yoimi@jaxa.jp) Members: Hirokazu Higashida, Atsushi Hashimoto, Yoimi Kojima, Hideji Saiki, Takahiro Yamamoto Abstract The flight stability of aircraft is necessary to establish safe flight. We aim to improve the technology level of flight stability prediction through numerical simulation. The numerical method is validated and analyzed for developing better numerical・・・<<read more>>

Research and development of fluid analysis tools using GPU

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JAXA Supercomputer System Annual Report February 2022-January 2023 Report Number: R22EDA201G24 Subject Category: Aeronautical Technology PDF Responsible Representative: Takashi Aoyama, Aviation Program Director, Aviation Technology Contact Information: Andrea Sansica(sansica.andrea@jaxa.jp) Members: David Lusher, Andrea Sansica, Paul Zehner Abstract Evaluation of FaSTAR and OpenSBLI acceleration using GPU for buffet analysis. Reference URL Please refer to '数値解析技術の研究 | 基盤技術の研究(fundamental research) | JAXA航空技術部門'. Reasons and benefits of using JAXA Supercomputer System To develop a GPU version of CFD solvers, the GPU nodes available on・・・<<read more>>