JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EDA201N07 Subject Category: Aeronautical Technology PDF Responsible Representative: Takashi Aoyama, Aeronautical Technology Directorate, Numerical Simulation Research Unit Contact Information: Shigeru Kuchiishi(shigeruk@chofu.jaxa.jp) Members: Shigeru Kuchiishi, Kohji Suzuki , Kanako Yasue, Shinya Watanabe Abstract Unsteady CFD analysis will be performed in order to detect the starting point of buffet phnomena utilizing data mining techniques. Reference URL N/A Reasons for using JSS2 A large-scale parallel computer such as JSS2 is indispensable for large-scale・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EDA201N04 Subject Category: Aeronautical Technology PDF Responsible Representative: Takashi Aoyama, Aeronautical Technology Directorate, Numerical Simulation Research Unit Contact Information: Aeronautical Technology Directorate, Numerical Simulation Research Unit(ohmichi.yuya@jaxa.jp) Members: Yuya Ohmichi, Keita Nakamoto Abstract Knowledge extraction techniques for large data sets are important because the computers and numerical simulation techniques have been highly developed and they produced massive datasets. In this study, we have been developing knowledge extraction tools which extract patterns・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18ECMP06 Subject Category: Competitive Funding PDF Responsible Representative: Yuko Inatomi, Institute of Space and Astronautical Science, Department of Interdisciplinary Space Science Contact Information: Ryoji Takaki(ryo@isas.jaxa.jp) Members: Ryoji Takaki, Taku Nonomura, Seiji Tsutsumi, Yuma Fukushima, Soshi Kawai, Ikuo Miyoshi, Satoshi Sekimoto, Hiroshi Koizumi, Tomohide Inari, Ryota Hirashima, Yoshiharu Tamaki, Takuya Karatsu Abstract We develop a high-speed/high-precision computational program using a quasi-first principle method, which can faithfully reproduce the actual flight environment・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EB0101 Subject Category: Space Exploration Innovation PDF Responsible Representative: Kazuyoshi Kawasaki, Space Exploration Innovation Hub Center Contact Information: Takeshi Hoshino(hoshino.takeshi@jaxa.jp) Members: Takeshi Hoshino, Mitsuo Yamamoto, Hiroka Inoue, Yuko Dake, Hiroyuki Sato Abstract Landing site selection and rover path planning on the Moon Reference URL N/A Reasons for using JSS2 Preparation of the environments for contructors to execute simulations which is planned in the next financial year; and inspection of the・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EACA38 Subject Category: JSS2 Inter-University Research PDF Responsible Representative: Hiroyuki Asada, Department of Mechanical Engineering, Ritsumeikan University. Contact Information: Hiroyuki Asada(h-asada@fc.ritsumei.ac.jp) Members: Hiroyuki Asada, Yoshifumi Ogami, Daisuke Nishida Abstract This study aims to develop a high-fidelity solver for aeroacoustics simulations. The solver is based on the high-order discontinuous Galerkin (DG) method which is one of the high-order unstructured mesh methods and the large eddy simulation giving highly accurate turbulent flow・・・<<read more>>