JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EEU30801 Subject Category: Space and Astronautical Science PDF Responsible Representative: Iku SHINOHRA, Unit Leader, C-SODA, ISAS/JAXA Contact Information: Satoshi Nakahira(nakahira.satoshi@jaxa.jp) Members: Satoshi Nakahira, Miriam Sawczuck, Kuriko Inada, Sachimi Fujishima Abstract Provide original data and publicly available data to JSS, which is located at a site physically distant from Sagamihara, to ensure data safety in preparation for system failures and disasters. Reference URL N/A Reasons and benefits of using JAXA Supercomputer・・・<<read more>>
JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EFHC0319 Subject Category: Large-Scale Challenge PDF Responsible Representative: Naoyuki Fujita, Security and Information Systems Department, SuperComputer Division Contact Information: Takeshi Sawada, The University of Tokyo(sawada@flab.isas.jaxa.jp) Members: Akira Oyama, Takeshi Sawada Abstract Inflatable flexible aeroshells have attracted attention as high-efficiency aerodynamic deceleration devices that can serve as alternatives to parachutes. In STEP1 of the stepwise Mars landing exploration program, multiple aeroshells are planned to be deployed to demonstrate entry, descent, and・・・<<read more>>
JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EFHC0320 Subject Category: Large-Scale Challenge PDF Responsible Representative: Yasuhito Okano, Postdoctral researcher, Research and Development Directorate, Unit III Contact Information: Yasuhito Okano, Research and Development Directorate, Research Unit III(okano.yasuhito@jaxa.jp) Members: Takanori Haga, Yasuhito Okano Abstract Accurate prediction of wall heat flux is crucial for liquid rocket engine combustors. Although wall-modeled LES (WMLES) can obtain high fedility results at a practical computational cost, simulations often blow up under extremely cold-wall conditions・・・<<read more>>
JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EFHC0321 Subject Category: Large-Scale Challenge PDF Responsible Representative: Keita Kanno, Principal Researcher, QunaSys Inc. Contact Information: QunaSys Inc.(info@qunasys.com) Members: Naoyuki Fujita, Keita Kanno, Toru Kawakubo, Kouki Nakamura, Yasuo Ozu, Toru Shibamiya, Kazumasa Ueno Abstract We are developing and validating algorithms aimed at achieving large-scale, high-accuracy fluid simulations using quantum computing. Reference URL N/A Reasons and benefits of using JAXA Supercomputer System By leveraging supercomputers, even large-scale algorithms can be emulated・・・<<read more>>
JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EG3205 Subject Category: Research and Development PDF Responsible Representative: Hideaki Nanri, Research and Development Directorate, Research Unit IV Contact Information: Shun Takahashi Research and Development Directorate, Research Unit IV(takahashi.shun@jaxa.jp) Members: Masaaki Fukui, Susumu Hasegawa, Taku Inoue, Masatoshi Kodera, Masaru Koga, Haruyuki Kato, Toshihiko Munakata, Takayuki Nagata, Yoichi Ohnishi, Tetsuji Ogawa, Takafumi Tano, Sadatake Tomioka, Kenta Tsukuda, Masahiro Takahashi, Shun Takahashi Abstract In this project, we conduct engine combustion analysis, aerodynamic・・・<<read more>>
