JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EACA17 Subject Category: JSS Inter-University Research PDF Responsible Representative: Masayuki Takahashi, Associate Professor, Tohoku University Contact Information: Masayuki Takahashi, Tohoku University(masayuki.takahashi.c8@tohoku.ac.jp) Members: Takumi Hosoya, Masayuki Takahashi, Sakira Uno Abstract The objective of this study is to elucidate the mechanism of ionization front propagation induced by high-intensity beams inside beam-propelled rockets and spacecraft. Reference URL N/A Reasons and benefits of using JAXA Supercomputer System To numerically investigate discharge phenomena induced by・・・<<read more>>
JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EG3215 Subject Category: Research and Development PDF Responsible Representative: Taro Shimizu, Research and Development Directorate, Research Unit III Contact Information: Hiedyo Negishi(negishi.hideyo@jaxa.jp) Members: Ashvin Hosangadi, Yu Daimon, Taroh Fukuda, Osamu Fukasawa, Hideyo Negishi, Takenori Nakajima, Shinji Ohno, Masashi Toyama, Satoshi Ukai, Himeko Yamamoto, Rika Yamada, Andrea Zambon Abstract There is a strong demand for system-level simulation technologies that enable rapid evaluation of subsystems involving thermal-fluid dynamics in the field of・・・<<read more>>
JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25ER1400 Subject Category: Space Technology PDF Responsible Representative: Osamu Ochiai, Earth Observation Research Center Contact Information: Takuji Kubota(kubota.takuji@jaxa.jp) Members: Tomohiko Higashiuwatoko, Takeshi Masaki, Munehisa K. Yamamoto, Takuji Kubota Abstract Calculation of the global rainfall map derived from Tropical Rainfall Measuring Mission (TRMM) and the Global Precipitation Measurement (GPM) during a period from Decemebr 1997 to March 2023 using the latest GSMaP standard algorithm (V08) and GSMaP Gauge NRT V8 algorithm.・・・<<read more>>
JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25ETET00 Subject Category: Skills Acquisition System PDF Responsible Representative: Kazuyuki Nakakita, Aviation Technology Directorate, Fundamental Aeronautics Research Unit Contact Information: Ken Fujino(kenfujino0508@g.ecc.u-tokyo.ac.jp) Members: Ken Fujino Abstract Recently, data-driven analysis on unsteady fluid dynamics dataset has been widely conducted. In the present study, we apply data-driven analysis methods to unsteady phenomena near stall in low-speed regime and transonic buffet phenomena around airfoil. By applying them, we try to understand and clarify・・・<<read more>>