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Prediction of aerothermal environment around atmospheric entry vehicles with sophisticated numerical tools

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EDA201A32 Subject Category: Aeronautical Technology PDF Responsible Representative: Kenji Fujii, Aviation Technology Directorate, Fundamental Aeronautics Research Unit Contact Information: Takashi Ozawa(ozawa.takashi@jaxa.jp) Members: Takashi Ozawa, Ryota Samo, Hiroki Takayanagi, Chihiro Tsukiyama Abstract In this study, we try to enhance physical models for high temperature gas and numerical simulation method to accurately predict heating and aerodynamic characteristics at hypersonic atmospheric entry. We aim to develop high fidelity simulation tool by demonstrating improvement・・・<<read more>>

GOSAT data analysis and Greenhouse gases Observing SATellite (GOSAT) mission

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21ER2100 Subject Category: Space Technology PDF Responsible Representative: Akihiko Kuze ,Space Technology Directorate I GOSAT-2 Project Team, Project Manager Contact Information: Yoko UEDA, Hidetoshi HAYASAKA(ueda.yoko@jaxa.jp;hayasaka.hidetoshi@jaxa.jp) Members: Masahito Arai, Takashi Goto, Makiko Hashimoto, Hidetoshi Hayasaka, Makoto Imanaka, Kenji Kowata, Fumie Kataoka, Nobuhiro Kikuchi, Mamoru Sugawara, Tomoyuki Mabuchi, Yoichi Nakamura, Ryo Nagino, Hideki Suetake, Yoko Ueda, Takehito Yoshida, Jun Yoshida Abstract GOSAT continues its observations for 13-years beyond its 5-year mission, providing・・・<<read more>>

Numerical investigation of the supersonic intake and wings

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21ETET10 Subject Category: Skills Acquisition System PDF Responsible Representative: Takashi Aoyama, Aviation Technology Directorate, Aircraft Lifecycle Innovation Hub Contact Information: Manami Fujii(m-fujii@moegi.waseda.jp) Members: Manami Fujii Abstract JAXA and universities have been advancing research to realize a hypersonic passenger airplane. This plan is divided into 4 stages and the 1st stage is called High-Mach Integrated Control Experiment (HIMICO). This is a hypersonic flight experiment aiming at establishing the integrated control technologies・・・<<read more>>

Development of Aerodynamic Optimization Library: Harmonee

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EA3202 Subject Category: Aeronautical Technology PDF Responsible Representative: Takashi Aoyama, Aeronautical Technology Directorate, Numerical Simulation Research Unit Contact Information: Mami Hayakawa(hayakawa.mami@jaxa.jp) Members: Atsushi Hashimoto, Mami Hayakawa, Takashi Ishida, Masahiro Kanazaki, Yukinori Morita, Takuya Ogura, Tetsuji Ogawa, Minoru Yoshimoto Abstract An aerodynamic optimization library “Harmonee,” which uses the unstructured CFD code FaSTAR, is develped and its validity and efficiency are examined. A Multi-Objective Evolutionary Algorithm (MOEA) is employed as an aerodynamic・・・<<read more>>

Construction and maintenance of JIANT, a quality engineering tool for Safety&MissionAssurance platform

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JAXA Supercomputer System Annual Report February 2021-January 2022 Report Number: R21EH2900 Subject Category: Common Business PDF Responsible Representative: Yuji Kado, Manager, Safety and Mission Assurance Department Contact Information: Kado, Yuji, JAXA Safety and Mission Assurance Department(kado.yuji@jaxa.jp) Members: Youichi Iiyama, Yuji Kado, Takafumi Nakagawa, Tokikatsu Namba, Atsuo Takino, Chihiro Uematsu Abstract JAXA and Kyoto University are researching with quality engineering tools (JIANT) and wallstat, a seismic simulator for wooden buildings. Our theme is research on the combination of testing and simulation・・・<<read more>>