JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20EG3105 Subject Category: Research and Development PDF Responsible Representative: Hiroyuki Sugita, Research and Development Directorate, Research Unit II Contact Information: Nagaoka Nobuaki(nagaoka.nobuaki@jaxa.jp) Members: Satomi Kawamoto, Yasuhiro Kitagawa, Nobuaki Nagaoka Abstract Increase of space debris is a problem for reliability of future space activity. JAXA has researched space debris related technology for space debris mitigation and environmental remediation. The effectiveness of space debris countermeasures is evaluated based on the prediction of・・・<<read more>>
JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20EG3104 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(sato.shigeru@jaxa.jp) Members: Shigeru Sato, Toshihiko Munakata, Masaaki Fukui, Masaharu Takahashi, Taku Inoue 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・・・<<read more>>
JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20EFHC0303 Subject Category: Common Business PDF Responsible Representative: Takanori Haga, Research Engineer, Research and Development Directorate, Research Unit III Contact Information: Takanori Haga, Research and Development Directorate, Research Unit III(haga.takanori@jaxa.jp) Members: Takanori Haga, Kiyoshi Kumahata, Seiji Tsutsumi, Hiroyuki Ito Abstract In this work, we focus on the spatial distribution and time fluctuation of the wall heat flux assumed in the full-scale engine, and perform a complete three-dimensional large-eddy simulation (LES).・・・<<read more>>
JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20EFHC0302 Subject Category: Common Business PDF Responsible Representative: Naoyuki Fujita, Manager, JAXA, Security and Information Systems Department, Supercomputer Division Contact Information: Taisuke Nambu, JAXA, Aeronautical Technology Directorate, Numerial Simulation Research Unit(nambu.taisuke@jaxa.jp) Members: Taisuke Nambu, Yasuhiro Mizobuchi Abstract In order to improve the accuracy of the spray model for analyses of an aircraft engine combustor, detailed analyses of fuel droplet group evaporation was conducted using a two-phase flow analysis solver with・・・<<read more>>
JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20EFHC0301 Subject Category: Common Business PDF Responsible Representative: Naoyuki Fujita, Manager, JAXA, Security and Information Systems Department, Supercomputer Division Contact Information: Yusuke Takeda(ytakeda@sci.hokudai.ac.jp) Members: Yusuke Takeda, Yasuhiro Iba, Takeshi Hoshino, Tomohiro Usui, Ryota Fukai Abstract High-resolution and large-size data obtained with our 3D imaging technique require extra-large computational resources, which makes their analysis and visualization impossible. With the aid of JSS3 large-scale challenge, we analyzed these large-scale (i.e., gigapixel- and・・・<<read more>>
