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Comparison of Strain Distribution Between Results of Flight Test and Finite Element Analysis

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JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EDA101S01 Subject Category: Aeronautical Technology PDF Responsible Representative: Hitoshi Arizono, Aeronautical Technology Directorate, Structures and Advanced Composite Research Unit Contact Information: Hitoshi Arizono(arizono.hitoshi@jaxa.jp) Members: Hitoshi Arizono, Youichi Sano, Natsuki Tsushima Abstract Comparison of Strain Distribution Between Results of Flight Test and Finite Element Analysis Reference URL N/A Reasons for using JSS2 Because complex real aircraft configuration is very expensive for simulation Achievements of the Year The strain distribution measured in・・・<<read more>>

Fundamental Researches of Fluid and Combustion for the Hypersonic Flight

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JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18ECMP18 Subject Category: Competitive Funding PDF Responsible Representative: Kouichi Okita, Director, Research Unit IV, Research and Development Directorate Contact Information: Masahiro Takahashi(takahashi.masahiro@jaxa.jp) Members: Masahiro Takahashi, Masatoshi Kodera, Toshihiko Munakata, Masaaki Fukui, Masaharu Takahashi, Susumu Hasegawa, Sadatake Tomioka Abstract The wind tunnel tests by using sub-scaled models play important roles for the development of the air-breathing propulsion system for a hypersonic transporter. However, in some cases, the flow of the wind・・・<<read more>>

SGS Stress Transport Equation-based SGS Modeling for Comprehensive LES Model

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JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18ECMP08 Subject Category: Competitive Funding PDF Responsible Representative: Shingo Matsuyama, Aeronautical Technology Directorate, Numerical Simulation Research Unit Contact Information: Shingo Matsuyama(smastu@chofu.jaxa.jp) Members: Shingo Matsuyama Abstract In this study, we aim to realize a comprehensive LES that does not require any tuning for model parameters to the target flow field by solving the SGS stress transport equations. The SGS stress equations are derived exactly from the spatial filtering operation, but requires・・・<<read more>>

Numerical Study on Rotor Performance of Mars Helicopter

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JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EACA41 Subject Category: JSS2 Inter-University Research PDF Responsible Representative: Makoto Sato, Associate Professor, Kogakuin University Contact Information: Makoto Sato, Kogakuin University(msato@cc.kogakuin.ac.jp) Members: Makoto Sato, Daichi Ogasawara, Yodai Suzuki Abstract Mars helicopter project is now going. Since the atmospheric density on Mars is about 1/100, the sound of speed is about 3/4 compared with those on Earth, we need to develop the high performance heli-rotor. In JAXA, the experimental measurements of・・・<<read more>>

Three-dimensional MHD simulation of the solar wind acceleration

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JAXA Supercomputer System Annual Report April 2018-March 2019 Report Number: R18EACA40 Subject Category: JSS2 Inter-University Research PDF Responsible Representative: Munehito Shoda, PhD candidate, The University of Tokyo Contact Information: Munehito Shoda(shoda.m.astroph@gmail.com) Members: Munehito Shoda, Takaaki Yokoyama Abstract To reveal the pysical mechanism of the heating and acceleration of the solar wind, we have conducted for the first time a three-dimensional MHD simulation of the solar wind. Reference URL N/A Reasons for using JSS2 We need a large amount of calculation・・・<<read more>>