遊佐泰紀 Yusa, Yasunori

助教
Assistant Professor
電気通信大学大学院情報理工学研究科機械知能システム学専攻
Department of Mechanical and Intelligent Systems Engineering, Graduate School of Informatics and Engineering, The University of Electro-Communications
遊佐研究室
Yusa Laboratory

連絡先 Contact Information

郵便
Mailing		 〒182-8585 東京都調布市調布ヶ丘 1-5-1
1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan
メール
Email		 y y s @ e . c j . u a u c a . p

他のウェブサイト Other Websites

略歴 Brief Personal History

2015 年 3 月東京大学大学院工学系研究科システム創成学専攻博士後期課程修了。博士（工学）。2015 年 4 月東京理科大学理工学部機械工学科嘱託助教。2019 年 10 月電気通信大学大学院情報理工学研究科機械知能システム学専攻助教（テニュアトラック）。現在に至る。日本機械学会正員、日本計算工学会正会員、日本シミュレーション学会正会員、日本計算力学連合会員。

Yasunori Yusa completed his Ph.D. in Engineering in March 2015 at the Department of Systems Innovation, The University of Tokyo. From April 2015 to September 2019, he was employed by Tokyo University of Science, as a nontenured assistant professor of the Department of Mechanical Engineering. Since October 2019, he has been working at The University of Electro-Communications, where he is currently a tenure-track assistant professor of the Department of Mechanical and Intelligent Systems Engineering. Furthermore, he is a member of The Japan Society of Mechanical Engineers (JSME), The Japan Society for Computational Engineering and Science (JSCES), the Japan Society for Simulation Technology (JSST) and the Japan Association for Computational Mechanics (JACM).

対外発表 Publications and Presentations

査読付きジャーナル論文 Peer-reviewed Journal Articles
  1. Hiroshi Okada, Tatsuro Ishizaka, Akira Takahashi, Koichiro Arai, Yasunori Yusa. 3D J-integral evaluation for solids undergoing large elastic-plastic deformations with residual stresses and spatially varying mechanical properties of a material. Engineering Fracture Mechanics, vol. 236, 107212 (27 pp.), 2020.
  2. 佐藤皓明, 遊佐泰紀, 岡田裕. サイクルジャンプ法を用いた繰返し荷重問題解析の高精度化に関する研究（有限変形問題への拡張）. 日本機械学会論文集, vol. 85, no. 879, 19-00299 (19 pp.), 2019.
  3. Hiroshi Okada, Satoshi Kadowaki, Mitsumasa Suzuki, Yasunori Yusa. J-integral computation for elastic-plastic materials with spatially varying mechanical properties. Engineering Fracture Mechanics, vol. 207, pp. 181–202, 2019.
  4. Yasunori Yusa, Hiroshi Okada, Tomonori Yamada, Shinobu Yoshimura. Scalable parallel elastic–plastic finite element analysis using a quasi-Newton method with a balancing domain decomposition preconditioner. Computational Mechanics, vol. 62, no. 6, pp. 1563–1581, 2018.
  5. 荒井皓一郎, 岡田裕, 遊佐泰紀. 有限変形弾塑性問題に適用可能な J 積分範囲 ΔJ の三次元領域積分表示の提案. 日本機械学会論文集, vol. 84, no. 867, 18-00309 (19 pp.), 2018.
  6. Yasunori Yusa, Joe Okamoto, Daiji Toyama, Hiroshi Okada. Analysis of a many-hole problem using coupling-matrix-free iterative s-version FEM with multiple local meshes. Mechanical Engineering Journal, vol. 5, no. 5, 18-00264 (13 pp.), 2018.
  7. 河合浩志, 遊佐泰紀, 岡田裕, 塩谷隆二, 山田知典, 吉村忍. ハイパフォーマンス・デザインパターンに基づく連続体力学分野向けテンソルライブラリの実装効率向上. 日本計算工学会論文集, vol. 2018, 20180012 (11 pp.), 2018.
  8. Yasunori Yusa, Hiroshi Okada, Yosuke Yumoto. Three-dimensional elastic analysis of a structure with holes using accelerated coupling-matrix-free iterative s-version FEM. International Journal of Computational Methods, vol. 15, no. 5, 1850036 (35 pp.), 2018.
  9. 荒井皓一郎, 岡田裕, 遊佐泰紀. 任意の荷重経路と有限変形を許容する新しい三次元 J 積分法の提案. 日本機械学会論文集, vol. 84, no. 863, 18-00115 (18 pp.), 2018.
  10. Takayuki Uomoto, Kohmei Satoh, Hiroshi Okada, Yasunori Yusa. Mesh-independent data point finite element method (MDP-FEM) for large deformation elastic-plastic problems - an application to the problems of diffused necking. Finite Elements in Analysis and Design, vol. 136, pp. 18–36, 2017.
  11. 佐藤皓明, 遊佐泰紀, 岡田裕. サイクルジャンプ法を用いた繰返し荷重問題解析の高精度化に関する研究. 日本機械学会論文集, vol. 83, no. 854, 17-00300 (14 pp.), 2017.
  12. Masahiro Nose, Hijiri Amano, Hiroshi Okada, Yasunori Yusa, Akira Maekawa, Masayuki Kamaya, Hiroshi Kawai. Computational crack propagation analysis with consideration of weld residual stresses. Engineering Fracture Mechanics, vol. 182, pp. 708–731, 2017.
  13. Yosuke Yumoto, Yasunori Yusa, Hiroshi Okada. Element subdivision technique for coupling-matrix-free iterative s-version FEM and investigation of sufficient element subdivision. Mechanical Engineering Journal, vol. 3, no. 5, 16-00361 (11 pp.), 2016.
  14. Yosuke Yumoto, Yasunori Yusa, Hiroshi Okada. An s-version finite element method without generation of coupling stiffness matrix by using iterative technique. Mechanical Engineering Journal, vol. 3, no. 5, 16-00001 (12 pp.), 2016.
  15. Hiroshi Kawai, Kohmei Satoh, Yasunori Yusa, Takayuki Uomoto, Ryuji Shioya, Hiroshi Okada. AutoMT, a library for tensor operations and its performance evaluation for solid continuum mechanics applications. Mechanical Engineering Letters, vol. 1, 15-00349 (10 pp.), 2015.
  16. Yasunori Yusa, Shinobu Yoshimura. Speedup of elastic–plastic analysis of large-scale model with crack using partitioned coupling method with subcycling technique. Computer Modeling in Engineering & Sciences, vol. 99, no. 1, pp. 87–104, 2014.
  17. Yasunori Yusa, Shinobu Yoshimura. Mixed-mode fracture mechanics analysis of large-scale cracked structures using partitioned iterative coupling method. Computer Modeling in Engineering & Sciences, vol. 91, no. 6, pp. 445–461, 2013.
  18. Yasunori Yusa, Satsuki Minami, Hiroshi Kawai, Shinobu Yoshimura. CG-based subdomain local solver with ICT factorization preconditioner for domain decomposition method. Journal of Computational Science and Technology, vol. 6, no. 3, pp. 157–168, 2012.
  19. 遊佐泰紀, 片岡俊二, 河合浩志, 吉村忍. 分離反復連成解法による大規模破壊力学解析. 日本機械学会論文集 A 編, vol. 78, no. 791, pp. 966–975, 2012.
査読付き講演会プロシーディング Peer-reviewed Conference Proceedings
  1. Yasunori Yusa, Yuma Murakami, Hiroshi Okada. Large-scale parallel thermal elastic-plastic welding simulation using balancing domain decomposition method. Proceedings of the ASME 2019 Pressure Vessels and Piping Conference, PVP2019-93237 (7 pp.), 2019.
  2. Hiroshi Okada, Masayuki Kamaya, Yasunori Yusa. Simplified SCC simulation considering growth arrest at fusion line of weld. Proceedings of the ASME 2019 Pressure Vessels and Piping Conference, PVP2019-93516 (10 pp.), 2019.
  3. Hiroshi Okada, Manabu Kikuchi, Masahiro Ono, Yasunori Yusa, Masayuki Kamaya. SCC propagation analyses in a welded joint under various assumed residual stresses and anisotropic SCC propagation law. Proceedings of the ASME 2018 Pressure Vessels and Piping Conference, PVP2018-84238 (9 pp.), 2018.
  4. Koichiro Arai, Hiroshi Okada, Yasunori Yusa. Formulation of three-dimensional J-integral for finite strain elastic-plastic fracture problems under any load histories (monotonic and cyclic loads). Proceedings of the ASME 2018 Pressure Vessels and Piping Conference, PVP2018-84241 (10 pp.), 2018.
  5. Hiroshi Okada, Yasunori Yusa, Manabu Kikuchi, Masahiro Ono, Masayuki Kamaya, Akira Maekawa. SCC propagation analysis under weld residual stress and anisotropic crack growth law. Proceedings of the IUTAM Symposium on Multi-scale Fatigue, Fracture and Damage of Materials in Harsh Environments 2017, pp. 137–141, 2017.
学会誌等記事 Society Articles
  1. 遊佐泰紀. 反復型重合メッシュ法を用いた欠陥を有する溶接継手の終局強度予測シミュレーション. 溶接技術, vol. 67, no. 12, pp. 96–97, 2019.
  2. 遊佐泰紀. 有限要素法シミュレーションの並列計算法. 理大科学フォーラム, 2019 年 6 月号（通巻 411 号）, pp. 36–41, 2019.
  3. 遊佐泰紀. き裂を有する構造の効率的な大規模弾塑性有限要素法解析の探究. 溶接学会誌, vol. 88, no. 2, pp. 112–115, 2019.
講演会発表と依頼講演 Conference Presentations and Invited Lectures

受賞歴 Awards

18 April 2019
日本機械学会奨励賞（研究）
JSME Young Engineers Award, The Japan Society of Mechanical Engineers
「孔やき裂など局所フィーチャを有する大規模構造物の効率的有限要素法シミュレーションの研究」
Study on efficient finite element simulation of large-scale structures with local features such as holes and cracks
27 May 2016
日本計算工学会博士論文賞
The PhD Thesis Award, The Japan Society for Computational Engineering and Science
「分離型連成解法による大規模非線形破壊力学シミュレーションの効率化」
Efficient large-scale nonlinear fracture mechanics simulation using partitioned coupling method
4 July 2014
日本シミュレーション学会ロゴデザイン応募作品採用に対する表彰
Award for Logo Design Competition Winner, Japan Society for Simulation Technology

社会活動の一部 Selected Social Activities

April 2018–March 2021
日本計算力学連合事務局補佐
Secretary, Japan Association for Computational Mechanics
August 2010–June 2022
日本溶接協会原子力研究委員会 SPN-II（原子力構造機器の経年化とその関連技術に関する調査研究）小委員会中立委員
Neutral Member, SPN-II Subcommittee, Atomic Energy Research Committee, The Japan Welding Engineering Society
April 2019–March 2022
日本溶接協会原子力研究委員会 FDF-II（繰返し荷重下での低サイクル疲労および延性破壊に対する評価法の整備に関する調査研究（その 2））小委員会中立委員
Neutral Member, FDF-II Subcommittee, Atomic Energy Research Committee, The Japan Welding Engineering Society
October 2019–January 2021
精密工学会大規模環境の 3 次元計測と認識・モデル化技術専門委員会委員
Member, Technical Committee on 3D Scanning, Recognition, and Modeling of Large Scale Environments, The Japan Society for Precision Engineering

関わっている活動へのリンク Links to Activities in Which He Is Involved

作成したもの Things He Created