JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EG3207 Subject Category: Research and Development PDF Responsible Representative: Kouichi Okita, Director, Research Unit IV, Research and Development Directorate Contact Information: Yasunori Nagata (Okayama University)(ynagata@okayama-u.ac.jp) Members: Masahiro Takahashi, Yasunori Nagata Abstract In the engine combustion test using the hypersonic wind tunnel facility, high temperature, high pressure, and high velocity flow is generated by combustion heating upstream of the nozzle. However, in this process, the turbulence of the flow and the・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EG3205 Subject Category: Research and Development PDF Responsible Representative: Kouichi Okita, Director, Research and Development Directorate, Research Unit IV Contact Information: Masatoshi Kodera(kodera.masatoshi@jaxa.jp) Members: Masahiro Takahashi, Masatoshi Kodera, Masaaki Fukui, Toshihiko Munakata, Masaharu Takahashi, Sadatake Tomioka, Takuto Miyaura, Takuya Arakawa, Hironobu Nishiguchi, Ko Kurihara, Kazunari Hayashi Abstract Recently, reusable rockets have been being studied to reduce the cost of space transportation systems significantly. However, in order to extend the structural・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EG3105 Subject Category: Research and Development PDF Responsible Representative: Hiroyuki Sugita, Research and Development Directorate, Research Unit II Contact Information: Nobuaki Nagaoka(nagaoka.nobuaki@jaxa.jp) Members: Satomi Kawamoto, Nobuaki Nagaoka, Yasuhiro Kitagawa, Toshiya Hanada, Shuji Abe Abstract Increase of space debris is a problem for reliability of future space activity. JAXA has researched space debris removal technology for space debris mitigation and environmental remediation. The guidelines for debris removal are researched based on・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EG3104 Subject Category: Research and Development PDF Responsible Representative: Shigeru Sato, Researcher, Research Unit 4, Research and Development Directorate Contact Information: Shigeru Sato, Researcher, Research Unit 4, Research and Development Directorate (sato.shigeru@jaxa.jp) Members: Shigeru Sato, Toshihiko Munakata, Masaaki Fukui, Masaharu Takahashi Abstract The purpose is to investigate the influence of the internal flow path on the engine performance by help of CFD in the viewpoint of aerodynamics about a scramjet・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EDA201N13 Subject Category: Aeronautical Technology PDF Responsible Representative: Shingo Matsuyama, Aeronautical Technology Directorate, Numerical Simulation Research Unit Contact Information: Shingo Matsuyama(smatsu@chofu.jaxa.jp) Members: Shingo Matsuyama Abstract In this research, by the following two approaches: (1) acceleration of time integration by implicit time integration method and (2) acceleration of calculation using an accelerator, we try to achieve a speedup of more than 100 times compared with the current level of CFD runs.・・・<<read more>>
