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Supersonic and hypersonic aerodynamic characteristics of a projectile with shock wave interference

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19EACA20 Subject Category: JSS2 Inter-University Research PDF Responsible Representative: Keiichi Kitamura, Yokohama National University, Faculty of Engineering, Division of Systems Research Contact Information: Keiichi Kitamura(kitamura@ynu.ac.jp) Members: Keiichi Kitamura, Hiroyuki Takimoto, Naoya Hase, Hiroto Yaginuma Abstract In the velocity region where shock waves are generated, there are various difficulties in numerical calculations, as well as many undiscovered flow physics. In this study, we performed various numerical calculations under supersonic conditions: high-speed・・・<<read more>>

Numerical Simulations of Fully Developed Turbulence

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19EACA05 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, Yutaro Motoori, Ryo Araki, Tsukasa Shinohara, Sunao Oka, Atsushi Abe, Aoi Nishikawa, Yusuke Koide Abstract Since fully developed turbulence at high Reynolds numbers plays an important role in many systems of aerospace engineering, its prediction and control are important in various projects. We need to employ a turbulence model・・・<<read more>>

Numerical Study on Combustible Flow in Supersonic Flight Engines and Rocket Engines

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19EACA01 Subject Category: JSS2 Inter-University Research PDF Responsible Representative: Nobuyuki Tsuboi, Professor, Department of Mechanical and Control Engineering, Kyushu Institute of Technology Contact Information: Nobuyuki Tsuboi(tsuboi@mech.kyutech.ac.jp) Members: Nobuyuki Tsuboi, Kouhei Ozawa, Takahide Araki, Toshihiro Iwasa, Nicolas H. Jourdaine, Shota Goto, Kodai Shimomura, Takuro Yoshino, Tomohiro Watanabe, Taishi Amano, Kanta Iwasaki, Nobuhiro Kurita, Naomi Takeshima, Darshan Manjunath Abstract Fundamental studies on nozzles and combustors for Japanese rocket engines and supersonic engines・・・<<read more>>

Development of Aerodynamic Optimization Library: Harmonee

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19EA3202 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: Shigeru Kuchiishi, Takashi Ishida, Atsushi Hashimoto, Masahiro Kanazaki, Kohji Suzuki, Minoru Yoshimoto, Shinsuke Nishimura, Kei Nakanishi, Yukinori Morita, Takuya Ogura, Kyohei Sawada, Kazufumi Uwatoko, Tetsuji Ogawa, Mami Hayakawa Abstract An aerodynamic optimization library "Harmonee," which uses the unstructured CFD code FaSTAR, is develped and its validity and efficiency・・・<<read more>>

Development of FaSTAR-Move

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19EA3201 Subject Category: Aeronautical Technology PDF Responsible Representative: Kanako Yasue, Aeronautical Techonology Directorate, Numerical Simulation Research Unit Contact Information: Kanako Yasue(yasue.kanako@jaxa.jp) Members: Keiji Ueshima, Atsushi Hashimoto, Takashi Ishida, Shigeru Kuchiishi, Kanako Yasue, Hitoshi Arizono, Ryosuke Fuse, Toru Yada, Mami Hayakawa Abstract FaSTAR-Move, an extended version of the fast unstructured-grid flow solver FaSTAR, is developed to analyse flow field around moving/deforming objects such as external store separation, flutter, rotor, and compressor/turbine・・・<<read more>>