JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25ETET13 Subject Category: Skills Acquisition System PDF Responsible Representative: Kazuyuki Nakakita, Aviation Technology Directorate, Fundamental Aeronautics Research Unit Contact Information: Yoimi Kojima(kojima.yoimi@jaxa.jp) Members: Kota Abe, Kohei Konishi, Itsuki Miyamoto, Keita Ogura Abstract With the rapid development of urban UAVs, reducing aeroacoustic noise has become a critical challenge; however, the generation mechanisms involving complex flow phenomena are still not fully understood. This project aims to elucidate the correlation and generation mechanisms・・・<<read more>>
JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25ETET15_TMU Subject Category: Skills Acquisition System PDF Responsible Representative: Kwak Dongyoun, Aeronautical Technology Directorate, Aviation Enviromental Sustanability Innovation Hub Contact Information: Mitsuhiro Murayama, Aviation Enviromental Sustanability Innovation Hub(murayama.mitsuhiro@jaxa.jp) Members: Ryutaro Furuya, Yasushi Ito, Mitsuhiro Murayama, Takuto Masaki, Kazuhiro Takeoka Abstract The purpose of the iGreen research is to develop and mature a bunch of advanced and innovative technologies on aerodynamics, aeroacoustics, and structures to enable airframe design with higher environmental・・・<<read more>>
JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25ETET45 Subject Category: Skills Acquisition System PDF Responsible Representative: Kanako Yasue, Aviation Technology Directorate, Aviation Integration Innovation Hub Contact Information: Hideaki Sugawara(sugawara.hideaki@jaxa.jp) Members: Tomoya Karasawa, Hideaki Sugawara, Shunsuke Takeuchi, Yasutada Tanabe Abstract The flow field around a rotor is inherently unsteady and asymmetric. The relative velocity along the blade depends on the radial position and, during forward flight, also varies with the azimuth angle. In recent years, rotorcraft encompass a・・・<<read more>>
JAXA Supercomputer System Annual Report February 2025-January 2026 Report Number: R25EU0912 Subject Category: Space and Astronautical Science PDF Responsible Representative: Yoshifumi Saito, Institute of Space and Astronautical Science, Department of Solar System Sciences Contact Information: Toshifumi Shimizu(shimizu.toshifumi@jaxa.jp) Members: Toshifumi Shimizu, Kouhei Teraoka, Daiki Yamasaki Abstract Our study focuses on understanding of the mechanism responsible for the occurrence of the solar flares. We derive 3D magnetic field structure in the corona by performing a 3D magnetohydrodynamics simulation using vector magnetic field・・・<<read more>>