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>>
JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20EEE20300 Subject Category: Space Exploration PDF Responsible Representative: ASOH, Dai; JAXA Space Exploration Center Contact Information: INOUE, Hiroka(inoue.hiroka@jaxa.jp) Members: INOUE, Hiroka; HOSHINO, Takeshi; KARIYA, Kazuki; YAMAMOTO, Mitsuo Abstract Landing site analysis for the lunar polar exploration mission (LUPEX) Reference URL Please refer to 'JAXA INTERNATIONAL SPACE EXPLORATION'. Reasons and benefits of using JAXA Supercomputer System It can be used by contructors and has rich computing resources Achievements of the Year・・・<<read more>>
JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20EDU20199 Subject Category: Space and Astronautical Science PDF Responsible Representative: Toru Yamada, Director, Institute of Space and Astronautical Science, Department of Space Astronomy and Astrophysics Contact Information: Ryo Nagata(nagata.ryo@jaxa.jp) Members: Ryo Nagata Abstract The mission objective of LiteBIRD, which is the second ISAS strategic large mission, is to make a full-sky map of the microwave background polarization to extract a signal of the primordial gravitational waves from an odd parity・・・<<read more>>
JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20EDU10502 Subject Category: Space and Astronautical Science PDF Responsible Representative: Takao Nakagawa, Professor, Department of Space Astronomy and Astrophysics Institute of Space and Astronautical Science (ISAS) Contact Information: Kosei Matsumoto, Department of Space Astronomy and Astrophysics Institute of Space and Astronautical Science (ISAS)(koseim@ir.isas.jaxa.jp) Members: Takao Nakagawa, Kosei Matsumoto Abstract We performed The CO non-LTE radiative transfer calculation based on the gas structure of the hydrodynamic model and confirmed the consistency・・・<<read more>>
JAXA Supercomputer System Annual Report April 2020-March 2021 Report Number: R20EDU10500 Subject Category: Space and Astronautical Science PDF Responsible Representative: Kazutaka Nishiyama, Department of Space Flight Systems Contact Information: Kazutaka Nishiyama(nishiyama@ep.isas.jaxa.jp) Members: Yusuke Yamashita, Kazutaka Nishiyama, Takato Morishita Abstract We analyze a neutralizer cathode plasma of the microwave discharge ion thruster, which is the main engine of the asteroid explorer Hayabusa and Hayabusa2. We are conducting numerical analysis to investigate the degradation factors of the neutralizer in Hayabusa and develop・・・<<read more>>
