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Large-eddy simulation of a full-scale liquid rocket engine combustor

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EFHC0303 Subject Category: Common Business PDF Responsible Representative: Naoyuki Fujita, Manager, JAXA, Security and Information Systems Department, Supercomputer Division Contact Information: Takanori Haga, Research and Development Directorate, Research Unit III(haga.takanori@jaxa.jp) Members: Takanori Haga, Hiroyuki Ito, Kiyoshi Kumahata, Seiji Tsutsumi Abstract In this work, we focus on the spatial distribution and time fluctuation of the chamber pressure and the wall heat flux assumed in the full-scale engine, and perform a complete・・・<<read more>>

Research on structures and advanced composites

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EA1601 Subject Category: Aeronautical Technology PDF Responsible Representative: Toshiya Nakamura, Senior Chief Officer of Fundamental Aeronautics Research, Aeronautical Technology Directorate Contact Information: Digital Structures and Materials Technology Team, Aircraft Lifecycle Innovation Hub, Yuichiro Aoki(aoki.yuichiro@jaxa.jp) Members: Yuichiro Aoki, Toshiyuki Kasahara, Hiroki Kawabe Abstract Topology optimization was applied to the design of the wing structure of a transport eVTOL, and a demonstration study from design to manufacturing was conducted to confirm its・・・<<read more>>

Development of Aeroelastic Simulation Tool based on FaSTAR-Move

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EDA201N02 Subject Category: Aeronautical Technology PDF Responsible Representative: Hitoshi Arizono, Aircraft Lifecycle Innovation Hub Contact Information: Hitoshi Arizono(arizono.hitoshi@jaxa.jp) Members: Hitoshi Arizono, Takashi Ishida, Hamidreza Kheirandish Abstract Development of Aeroelastic Simulation Tool based on FaSTAR-Move Reference URL N/A Reasons and benefits of using JAXA Supercomputer System Aeroelastic analysis requires unsteady analysis. Therefore, it is necessary to use JSS2 because the simulation cost is high. Achievements of the Year Inplemented the function・・・<<read more>>

Improvement of numerical analysis for internal flow with complicated configuration inside aero-engine

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EA2120 Subject Category: Aeronautical Technology PDF Responsible Representative: AOYAMA Takashi, Director, Aviation Technology Directrate, Aircraft Lifecycle Innovation Hub Contact Information: Taisuke Nambu, Aviation Technology Directorate, Aviation Environmental Sustainability Innovation Hub(nambu.taisuke@jaxa.jp) Members: Shunji Enomoto, Atsushi Hashimoto, Kenji Hayashi, Takashi Ishida, Masatoshi Kanayama, Junichi Kazawa, Takahisa Kohno, Mitsumasa Makida, Taisuke Nambu, Hiroki Ugajin, Kanako Yasue Abstract Unstructured-grid flow solver FaSTAR-Move are applied to aero-engine analysis with complicated configuration. Through the calculation, these・・・<<read more>>

Studies on nonlinear vortex dynamics in the later-stage of laminar-turbulent transition in compressible boundary layers

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EACA13 Subject Category: JSS Inter-University Research PDF Responsible Representative: Kazuo Matsuura, Associate Professor, Ehime University, Graduate School of Science and Engineering Contact Information: Kazuo Matsuura(matsuura.kazuo.mm@ehime-u.ac.jp) Members: Kazuo Matsuura, Kazuto Takimoto Abstract In hypersonic transitional flows, there are many complicated factors such as density fluctuation and temperature fluctuation due to the co-existence of the region slower than the speed of sound and the region faster than the speed of sound inside・・・<<read more>>