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>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EACA34 Subject Category: JSS2 Inter-University Research PDF Responsible Representative: Ryo Nagata, Researcher, High Energy Accelerator Research Organization (KEK) Contact Information: Ryo Nagata(rnagata@post.kek.jp) Members: Ryo Nagata Abstract Primordial gravitational wave background is generically predicted by cosmic inflation theories. Its amplitude indicates the energy scale of cosmic inflation. LiteBIRD maps the polarization of microwave background sky to detect the signal of the gravitational waves. Since the signal of gravitational wave origin (B-mode・・・<<read more>>
JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EACA05 Subject Category: JSS2 Inter-University Research PDF Responsible Representative: Susumu Goto, Professor, Osaka University Contact Information: Susumu Goto(goto@me.es.osaka-u.ac.jp) Members: Susumu Goto, Jun Kanki, Yutaro Motoori, Toru Kubo, Tomoyuki Kurita, Ryo Araki, Tsukasa Shinohara Abstract Flows in various systems appearing in the aerospace engineering are fully developed turbulence at high Reynolds numbers. To numerically simulate these flows, we usually need to model small-scale motions in the flow. Such turbulence models are・・・<<read more>>
