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Dept. of Interdisciplinary Space Science

Researcher List >> Ryoji Takaki
 

Ryoji Takaki

 
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NameRyoji Takaki
URL
AffiliationJapan Aerospace Exploration Agency
SectionInstitute of Space and Astronautical Science
Job titleAssociate Professor
DegreePh. D.(The University of Tokyo)
J-Global ID200901010820608589

Research Interests

 
aerodynamics ,information technology ,Computational Sciences ,数値流体力学 ,Computational Fluid Dynamics

Research Areas

 
  • Informatics / Computational science / 
  • Aerospace, marine, and maritime Engineering / Aerospace engineering / 
  • Manufacturing technology (mechanical, electrical/electronic, chemical engineering) / Fluid engineering / 

Research History

 
2007
 - 
Today
The Graduate University for Advanced Studies School of Physical Sciences Department of Space and Astronautical Science  
 
2018
 - 
Mar 2024
東京大学生産技術研究所  リサーチフェロー 
 
Apr 2019
 - 
Mar 2022
九州大学  客員教授 
 
2015
 - 
2018
東京大学生産技術研究所  客員研究員 
 
Apr 2003
 - 
Mar 2016
Kogakuin University   
 

Education

 
 
 - 
1991
Kyoto University  
 
 
 - 
1991
Kyoto University Graduate School, Division of Engineering 
 
 
 - 
1989
Kyoto University Faculty of Engineering 
 
 
 - 
1989
Kyoto University Faculty of Engineering 
 

Committee Memberships

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2020
 - 
Today
サイエンティフィック・システム研究会  副会長
 
2017
 - 
Today
サイエンティフィック・システム研究会  活動推進委員
 
Apr 2022
 - 
Mar 2024
HPCIシステムの今後の運営の在り方に関する調査検討ワーキンググループ  委員
 
2021
 - 
Mar 2023
次世代計算基盤に係るシステム検討WG
 
May 2020
 - 
May 2022
一般社団法人HPCIコンソーシアム  副理事長
 

Papers

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Fluid Analysis and Verification of Calculation Method via Fully Automatic Generation of Computational Grid
Ryoji Takaki   
AEROSPACE TECHNOLOGY JAPAN, THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES   22 79-93   Aug 2023   [Refereed]
 
FFVHC-ACE: Fully Automated Cartesian-Grid-Based Solver for Compressible Large-Eddy Simulation
Hiroyuki Asada   Yoshiharu Tamaki   Ryoji Takaki   Takaaki Yumitori   Shun Tamura   Keita Hatanaka   Kazuhiro Imai   Hirotaka Maeyama   Soshi Kawai   
AIAA Journal   61(8) 3466-3484   Jul 2023   [Refereed]
This study presents a fully automated Cartesian-grid-based compressible flow solver, named FrontFlow/Violet Hierarchical Cartesian for Aeronautics based on Compressible-flow Equations (FFVHC-ACE), for large-eddy simulation (LES) and its aeronautic...
 
Compressible flow solver FFVHC-ACE for fully automated LES of aeronautical flows
Hiroyuki Asada   Yoshiharu Tamaki   Ryoji Takaki   Soshi Kawai   
AIAA SCITECH 2023 Forum      Jan 2023
 
A novel method to predict current-voltage characteristics of positive corona discharges based on a perturbation technique. II. Global analysis and applications to electrohydrodynamic thrusters
Hisaichi Shibata   Ryoji Takaki   
AIP ADVANCES   12(10)    Oct 2022   [Refereed]
Electrohydrodynamic (EHD) thrusters can silently propel small unmanned aerial vehicles without moving parts using corona discharges. Computational fluid dynamics would be a powerful tool to model the EHD thrusters and then optimize them. The drift...
 
Building-Cube Method Simulations Using Upwind Interpolations for Ghost Cells Near 2-D Hanging Node Interfaces
Srikanth Surendranath   Akira Oyama   Ryoji Takaki   
AIAA AVIATION 2022 Forum      Jun 2022

Misc.

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Conservation Laws in Immersed Boundary Methods
Ryoji TAKAKI   
Proceedings of the 4th Workshop on Cartesian Grid-based CFD, JAXA-SP-23-008   73-84   Jan 2024   
 
Analysis of flow around moving bodies using the immersed boundary method
Ryoji TAKAKI   
JAXA Special Publication: Proceedings of the 3rd Workshop on Cartesian Grid-based CFD   JAXA-SP-22-008 77-82   Feb 2023   
 
Verification of surface distribution prediction accuracy in immersed boundary method
TAKAKI Ryoji   
JAXA Special Publication: Proceedings of the 2nd Workshop on Cartesian Grid-based CFD   JAXA-SP-21-009 115-124   Feb 2022   
 
Study on Speed-up Tuning for Structured Grid Based CFD Solver on PRIMEHPC FX1000
TAKAKI Ryoji   
JAXA Special Publication: Proceedings of the 53rd Fluid Dynamics Conference / the 39th Aerospace Numerical Simulation Symposium   JAXA-SP-21-008 217-223   Feb 2022   
 
「富岳」成果創出加速プログラム 航空機フライト試験を代替する近未来型設計技術の先導的実証研究
稲富裕光   淺田啓幸   粟飯原あや   今井和宏   河合宗司   筧雅行   小泉拓   松村洋祐   前山大貴   三吉郁夫   高木亮治   玉置義治   
宇宙航空研究開発機構特別資料 JAXA-SP-(Web)   (22-001)    2022

Presentations

12345>
 
 
Ryoji Takaki   
14 Jul 2023   
 
Ryoji TAKAKI   
14 Jul 2023   
 
Ryoji Takaki   
6 Jan 2023   
 
Ryoji Takaki   
14 Dec 2022   
 
高木亮治   
アドバンス・シミュレーション・セミナー2022   28 Oct 2022   [Invited]

Teaching Experience

 
Apr 2004
 - 
Today
Computational engineering and science (The Graduate University for Advanced Studies)
Apr 2003
 - 
Mar 2016
Compressible fluid dynamics (Kogakuin University)

Professional Memberships

12>
 
 
   
 
AIAA
 
   
 
流体力学会
 
   
 
航空宇宙学会
 
   
 
American Institute of Aeronautics and Astronautics
 
   
 
Japan Society of Computational Fluid Dynamics

Research Projects

12>
 
 
航空機デジタルフライトが拓く機体開発DXに向けた実証研究
文部科学省: 「富岳」成果創出加速プログラム
Project Year: Apr 2023 - Mar 2026
 
航空機フライト試験を代替する近未来型設計技術の先導的実証研究
文部科学省: 「富岳」成果創出加速プログラム
Project Year: Apr 2020 - Mar 2023
 
（サブ課題D）航空機の設計・運用革新を実現するコア技術の開発
文部科学省: 「ポスト「京」で重点的に取り組むべき社会的・科学的課題に関するアプリケーション開発・研究開発」（重点課題8 ）近未来型ものづくりを先導する革新的設計・製造プロセスの開発
Project Year: 2015 - 2020
 
HPC/PF向け圧縮性流体解析プログラムUPACSの開発
文部科学省: 高性能汎用計算機高度利用事業 HPCI戦略プログラム」（分野４ 次世代ものづくり）
Project Year: 2010 - 2016
 
Study on high lift device of small flight vehicle for planetary exploration
Japan Society for the Promotion of Science: Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C)
TAKAKI Ryoji 
Project Year: 2007 - 2008

● Affiliation (university)

 
 
Affiliation (university)
総合研究大学院大学（SOKENDAI)

● ISAS Committee

 
 
ISAS Committee
ISAS news editorial board
Copyright Institute of Space and Astronautical Science