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NLFFF calculations of the solar coronal magnetic field based on Hinode observations

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19EU0912 Subject Category: Space and Astronautical Science PDF Responsible Representative: Yoshifumi Saito,, Institute of Space and Astronautical Science, Department of Solar System Sciences Contact Information: Toshifumi Shimizu (shimizu.toshifumi@jaxa.jp) Members: Yusuke Kawabata, Toshifumi Shimizu, Takahiro Hasegawa Abstract Our study focuses on understanding of the mechanism responsible for the occurrence of the solar flares. We derive 3D magnetic field structure in the corona by performing a 3D magnetohydrodynamics simulation using vector magnetic・・・<<read more>>

Study of high speed fluid

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19EU0902 Subject Category: Space and Astronautical Science PDF Responsible Representative: Akira Oyama, Associate Professor, Institute of Space and Astronautical Science, JAXA Contact Information: Akira Oyama(oyama@flab.isas.jaxa.jp) Members: Akira Oyama, Hiroaki Fukumoto, Shigetaka Kawai, Satoshi Sekimoto, Daiki Terakado, Yuta Ozawa, Satoshi Shimomura, Taku Nonomura, Shota Taniguchi, Takahiro Nakagami, Bimo Dwianto, Takuma Saito, Naruhiko Nimura, Yukito Tsunoda Abstract We conduct fundamental research on aerodynamics such as aerodynamic design of Mars aircrafts. Reference URL・・・<<read more>>

Study for Embedded Large Eddy Simulation

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19ETET21 Subject Category: Skills Acquisition System PDF Responsible Representative: Takashi Aoyama, Aeronautical Technology Directorate, Numerical Simulation Research Unit Contact Information: Yoimi KOJIMA, Ph.D. Student, Department of Mechanical Systems Engineering, Tokyo University of Agriculture and Technology(y-kojima@st.go.tuat.ac.jp) Members: Yoimi Kojima Abstract We are developing new low-cost numerical simulation technology for aerodynamic problems, including transonic buffet and aeroacoustics. We aim to achieve high accurate simulation without expensive computational cost using Embedded-LES method. ELES・・・<<read more>>

Research of Lattice Boltzmann Method

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19ETET17 Subject Category: Skills Acquisition System PDF Responsible Representative: Takashi Aoyama, Aeronautical Technology Directorate, Numerical Simulation Research Unit Contact Information: Takashi Ishida, Aeronautical Technology Directorate, Numerical Simulation Research Unit(ishida.takashi@jaxa.jp) Members: Daichi Asaoka, Senju Fujii Abstract The research objective is to implement Cumulant LBM for collision operator and validate it in terms of the solution accuracy, stability, and cost for high-Reynolds number flow. In addition, the source code of implemented Cumulant・・・<<read more>>

Numerical Study of Supresonic Intake

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JAXA Supercomputer System Annual Report April 2019-March 2020 Report Number: R19ETET10 Subject Category: Skills Acquisition System PDF Responsible Representative: Takashi Aoyama, Aeronautical Technology Directorate, Numerical Simulation Research Unit Contact Information: Waseda university, Department of Applied Mechanics, Masakazu Sano(hisi-g-hibiki@wasagi.waseda.jp) Members: Masakazu Sano Abstract To discuss the flow inside of the intake and various phenomena, such as intake buzz, on the engine of High Mach Integrated Control Experiment, "HIMICO." Reference URL N/A Reasons and benefits of using JAXA Supercomputer System Complex flow・・・<<read more>>