遊佐泰紀 Yusa, Yasunori
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
准教授
Associate Professor
連絡先 Contact information
- 郵便 Mailing
- 〒182-8585 東京都調布市調布ケ丘 1-5-1
- 1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan
- メール Email
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）。東京理科大学理工学部機械工学科助教、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を経て、2024 年 10 月より准教授。日本機械学会、日本計算工学会、日本計算力学連合などの会員。研究対象は固体力学における計算手法とその工学的応用、特に、非線形変形、亀裂、並列計算に関するもの。
In March 2015, he completed his Ph.D. in Engineering [Hakushi (Kogaku)] at the Department of Systems Innovation, Graduate School of Engineering, The University of Tokyo. After the completion, he worked as an assistant professor at the Department of Mechanical Engineering, Faculty of Science and Technology, Tokyo University of Science, and then at the Department of Mechanical and Intelligent Systems Engineering, Graduate School of Informatics and Engineering, The University of Electro-Communications. Since October 2024, he has been an associate professor. He is a member of The Japan Society of Mechanical Engineers, The Japan Society for Computational Engineering and Science, the Japan Association for Computational Mechanics, etc. His research interests include computational methods in solid mechanics and their engineering applications, especially those on nonlinear deformation, cracks, and parallel computing.
公表文献 Publications
雑誌論文（原著論文、総説、レター） Journal papers (articles, reviews, and letters)
- Finite element analysis with deformed shape constraints generated by laser-scanned point clouds
Hibiya Haraki, Yasunori Yusa ✉, Hiroshi Masuda
International Journal for Numerical Methods in Engineering, Vol. 125, Issue 19, p. e7555, October 2024 - Parallel parametric analysis approach based on an s-version FEM for fracture mechanics analysis in designing hole positions
Hiroki Suwa, Yasunori Yusa ✉, Takashi Kuboki
Mechanical Engineering Journal, Vol. 10, Issue 3, p. 22-00462, June 2023 - Partitioned coupling framework to combine a kinematic hardening plasticity model and a creep model for structures in a high-temperature environment
Yasunori Yusa, Tomoshi Miyamura, Jun Yin, Kuniaki Koike, Takashi Ikeda, Tomonori Yamada ✉
International Journal for Numerical Methods in Engineering, Vol. 123, Issue 24, pp. 6170–6196, December 2022 - Singular patch method for linear elastic fracture mechanics analysis using isogeometric analysis
Hiroshi Okada ✉, Daichi Nakahara, Ayaka Nagashima, Rino Watanabe, Yusuke Sunaoka, Yasunori Yusa, Yuto Otoguro
Mechanical Engineering Journal, Vol. 9, Issue 6, p. 22-00291, December 2022 - Implementation of balancing domain decomposition method for parallel finite element analysis involving inactive elements
Yasunori Yusa ✉, Hiroaki Kobayashi, Yuma Murakami, Hiroshi Okada
International Journal for Numerical Methods in Engineering, Vol. 123, Issue 17, pp. 3974–4000, September 2022 Postprint - A comprehensive investigation of the formulations of the interaction integral method for the evaluation of stress intensity factors of three-dimensional cracks in functionally graded materials
Omar Tabaza, Hiroshi Okada ✉, Yasunori Yusa
Theoretical and Applied Fracture Mechanics, Vol. 119, p. 103297, June 2022 - A new approach of the interaction integral method with correction terms for cracks in three-dimensional functionally graded materials using the tetrahedral finite element
Omar Tabaza, Hiroshi Okada ✉, Yasunori Yusa
Theoretical and Applied Fracture Mechanics, Vol. 115, p. 103065, October 2021 - Performance investigation of quasi-Newton-based parallel nonlinear FEM for large-deformation elastic-plastic analysis over 100 thousand degrees of freedom
Yasunori Yusa ✉, Shota Miyauchi, Hiroshi Okada
Mechanical Engineering Journal, Vol. 8, Issue 3, p. 21-00053, June 2021 - 3D J-integral evaluation for solids undergoing large elastic–plastic deformations with residual stresses and spatially varying mechanical properties of a material
Hiroshi Okada ✉, Tatsuro Ishizaka, Akira Takahashi, Koichiro Arai, Yasunori Yusa
Engineering Fracture Mechanics, Vol. 236, p. 107212, September 2020 Postprint - 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）
佐藤皓明 ✉，遊佐泰紀，岡田裕
日本機械学会論文集，Vol. 85，Issue 879，p. 19-00299，2019 年 11 月 - J-integral computation for elastic-plastic materials with spatially varying mechanical properties
Hiroshi Okada ✉, Satoshi Kadowaki, Mitsumasa Suzuki, Yasunori Yusa
Engineering Fracture Mechanics, Vol. 207, pp. 181–202, February 2019 - Scalable parallel elastic–plastic finite element analysis using a quasi-Newton method with a balancing domain decomposition preconditioner
Yasunori Yusa ✉, Hiroshi Okada, Tomonori Yamada, Shinobu Yoshimura
Computational Mechanics, Vol. 62, Issue 6, pp. 1563–1581, December 2018 Postprint - 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
荒井皓一郎 ✉，岡田裕，遊佐泰紀
日本機械学会論文集，Vol. 84，Issue 867，p. 18-00309，2018 年 11 月 - Analysis of a many-hole problem using coupling-matrix-free iterative s-version FEM with multiple local meshes
Yasunori Yusa ✉, Joe Okamoto, Daiji Toyama, Hiroshi Okada
Mechanical Engineering Journal, Vol. 5, Issue 5, p. 18-00264, October 2018 - 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
河合浩志，遊佐泰紀，岡田裕，塩谷隆二，山田知典，吉村忍
日本計算工学会論文集，Vol. 2018，p. 20180012，2018 年 8 月 - Three-dimensional elastic analysis of a structure with holes using accelerated coupling-matrix-free iterative s-version FEM
Yasunori Yusa ✉, Hiroshi Okada, Yosuke Yumoto
International Journal of Computational Methods, Vol. 15, Issue 5, p. 1850036, August 2018 Postprint - 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
荒井皓一郎 ✉，岡田裕，遊佐泰紀
日本機械学会論文集，Vol. 84，Issue 863，p. 18-00115，2018 年 7 月 - Mesh-independent data point finite element method (MDP-FEM) for large deformation elastic-plastic problems - an application to the problems of diffused necking
Takayuki Uomoto, Kohmei Satoh, Hiroshi Okada ✉, Yasunori Yusa
Finite Elements in Analysis and Design, Vol. 136, pp. 18–36, November 2017 - 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
佐藤皓明 ✉，遊佐泰紀，岡田裕
日本機械学会論文集，Vol. 83，Issue 854，p. 17-00300，2017 年 10 月 - Computational crack propagation analysis with consideration of weld residual stresses
Masahiro Nose, Hijiri Amano, Hiroshi Okada ✉, Yasunori Yusa, Akira Maekawa, Masayuki Kamaya, Hiroshi Kawai
Engineering Fracture Mechanics, Vol. 182, pp. 708–731, September 2017 - Element subdivision technique for coupling-matrix-free iterative s-version FEM and investigation of sufficient element subdivision
Yosuke Yumoto, Yasunori Yusa ✉, Hiroshi Okada
Mechanical Engineering Journal, Vol. 3, Issue 5, p. 16-00361, October 2016 - An s-version finite element method without generation of coupling stiffness matrix by using iterative technique
Yosuke Yumoto, Yasunori Yusa ✉, Hiroshi Okada
Mechanical Engineering Journal, Vol. 3, Issue 5, p. 16-00001, October 2016 - AutoMT, a library for tensor operations and its performance evaluation for solid continuum mechanics applications
Hiroshi Kawai, Kohmei Satoh ✉, Yasunori Yusa, Takayuki Uomoto, Ryuji Shioya, Hiroshi Okada
Mechanical Engineering Letters, Vol. 1, p. 15-00349, July 2015 - Speedup of elastic–plastic analysis of large-scale model with crack using partitioned coupling method with subcycling technique
Yasunori Yusa, Shinobu Yoshimura
Computer Modeling in Engineering & Sciences, Vol. 99, Issue 1, pp. 87–104, May 2014 - Mixed-mode fracture mechanics analysis of large-scale cracked structures using partitioned iterative coupling method
Yasunori Yusa, Shinobu Yoshimura
Computer Modeling in Engineering & Sciences, Vol. 91, Issue 6, pp. 445–461, April 2013 - CG-based subdomain local solver with ICT factorization preconditioner for domain decomposition method
Yasunori Yusa ✉, Satsuki Minami, Hiroshi Kawai, Shinobu Yoshimura
Journal of Computational Science and Technology, Vol. 6, Issue 3, pp. 157–168, October 2012 - 分離反復連成解法による大規模破壊力学解析
遊佐泰紀 ✉，片岡俊二，河合浩志，吉村忍
日本機械学会論文集 A 編，Vol. 78，Issue 791，pp. 966–975，2012 年 7 月
主な会議論文（会議録、抄録） Selected conference papers (proceedings and abstracts)
- Stress relief for crack prevention by adding holes to V-bending die
Ryunosuke Yakuno ✉, Hiroki Suwa, Kazuhito Takahashi, Shohei Kajikawa, Yasunori Yusa, Takashi Kuboki
Proceedings of the 14th International Conference on the Technology of Plasticity - Current Trends in the Technology of Plasticity, Vol. 4, pp. 348–358, September 2023 - Fracture mechanics evaluation of V-bending die with a hole using parametric analysis system with coupling-matrix-free iterative s-version FEM
Hiroki Suwa, Yasunori Yusa
Proceedings of the XVI International Conference on Computational Plasticity, p. 645, September 2021 - Implementation of combined Ohno-Wang nonlinear kinematic hardening model and Norton-Bailey creep model using partitioned stress integration technique
Tomoshi Miyamura ✉, Yasunori Yusa, Jun Yin, Kuniaki Koike, Takashi Ikeda, Tomonori Yamada
Computational and Experimental Simulations in Engineering: Proceedings of ICCES2019, pp. 389–396, November 2019 - Computation of mixed mode stress intensity factors in 3D functionally graded material using tetrahedral finite element
Omar Tabaza, Hiroshi Okada ✉, Yasunori Yusa
Computational and Experimental Simulations in Engineering: Proceedings of ICCES2019, pp. 83–90, November 2019 - Simplified SCC simulation considering growth arrest at fusion line of weld
Hiroshi Okada, Masayuki Kamaya, Yasunori Yusa
Proceedings of the ASME 2019 Pressure Vessels and Piping Conference, Vol. 2, p. PVP2019-93516, July 2019 - Large-scale parallel thermal elastic-plastic welding simulation using balancing domain decomposition method
Yasunori Yusa, Yuma Murakami, Hiroshi Okada
Proceedings of the ASME 2019 Pressure Vessels and Piping Conference, Vol. 2, p. PVP2019-93237, July 2019 - Formulation of three-dimensional J-integral for finite strain elastic-plastic fracture problems under any load histories (monotonic and cyclic loads)
Koichiro Arai, Hiroshi Okada, Yasunori Yusa
Proceedings of the ASME 2018 Pressure Vessels and Piping Conference, Vol. 2, p. PVP2018-84241, July 2018 - SCC propagation analyses in a welded joint under various assumed residual stresses and anisotropic SCC propagation law
Hiroshi Okada, Manabu Kikuchi, Masahiro Ono, Yasunori Yusa, Masayuki Kamaya
Proceedings of the ASME 2018 Pressure Vessels and Piping Conference, Vol. 2, p. PVP2018-84238, July 2018 - SCC propagation analysis under weld residual stress and anisotropic crack growth law
Hiroshi Okada, Yasunori Yusa, Manabu Kikuchi, Masahiro Ono, Masayuki Kamaya, Akira Maekawa
Proceedings of the IUTAM Symposium on Multi-scale Fatigue, Fracture and Damage of Materials in Harsh Environments, pp. 137–141, August 2017 - Analysis of cracked model under finite-strain elastoplasticity using partitioned coupling method
Yasunori Yusa, Shinobu Yoshimura
Proceedings of the 11th World Congress on Computational Mechanics, the 5th European Conference on Computational Mechanics, and the 6th European Conference on Computational Fluid Dynamics, Vol. 4, pp. 3988–3996, July 2014
他の会議論文については Google Scholar をご参照ください。
Please refer to Google Scholar for other conference papers.
主な解説等 Selected commentaries etc.
- 第 6 回 JACM 賞受賞者セミナー開催報告
遊佐泰紀
JACM メールマガジン，Vol. 58，p. 5，2024 年 10 月 - 大規模並列溶接力学解析技術を用いた金属積層造形過程のシミュレーション
遊佐泰紀
溶接技術，Vol. 71，Issue 12，pp. 88–89，2023 年 12 月 - 第 28 回計算工学講演会報告
松本純一，福元豊，長谷川雄太，西口浩司，遊佐泰紀，高木知弘，加藤準治，荒井葉月，田中栄次
計算工学，Vol. 28，Issue 3，pp. 29–30，2023 年 7 月 - 遊佐泰紀研究室：機械のライフサイクルにわたる力学シミュレーション技術の創成
遊佐泰紀
調布ネットワーク，Vol. 2022-1，pp. 18–19，2022 年 6 月 - 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
遊佐泰紀
溶接技術，Vol. 67，Issue 12，pp. 96–97，2019 年 12 月 - 有限要素法シミュレーションの並列計算法
遊佐泰紀
理大科学フォーラム，Vol. 36，Issue 3，pp. 36–41，2019 年 6 月 - 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
遊佐泰紀
溶接学会誌，Vol. 88，Issue 2，pp. 112–115，2019 年 3 月 - The 13th World Congress in Computational Mechanics (WCCM XIII) and 2nd Pan American Congress on Computational Mechanics (PANACM II) 会議報告
萩原世也，奥田洋司，生野達大，遊佐泰紀
JACM メールマガジン，Vol. 42，pp. 4–5，2018 年 10 月 - USNCCM14 (14th U.S. National Congress on Computational Mechanics) 会議報告
遊佐泰紀
JACM メールマガジン，Vol. 37，pp. 4–5，2017 年 9 月 - 12th World Congress on Computational Mechanics (WCCM XII) and 6th Asia-Pacific Congress on Computational Mechanics (APCOM VI) 会議報告
岡田裕，伊井仁志，岩本薫，荻野正雄，河合浩志，髙橋昭如，只野裕一，三目直登，山田崇恭，山田知典，遊佐泰紀
JACM メールマガジン，Vol. 33，pp. 4–8，2016 年 9 月 - USNCCM12 会議報告
岡田裕，萩原世也，山田知典，和田義孝，高橋昭如，遊佐泰紀
JACM メールマガジン，Vol. 22，pp. 3–5，2013 年 12 月
主な受賞 Selected awards
| 2024 年 7 月 11 日 | Top Downloaded Article, International Journal for Numerical Methods in Engineering Yasunori Yusa, Tomoshi Miyamura, Jun Yin, Kuniaki Koike, Takashi Ikeda, Tomonori Yamada |
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|---|---|---|
| 2023 年 9 月 9 日 | 日本計算力学奨励賞 遊佐泰紀 |
The JACM Young Investigator Award Yasunori Yusa |
| 2021 年 3 月 22 日 | 2021 年度精密工学会春季大会学術講演会ベストプレゼンテーション賞 遊佐泰紀 |
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| 2019 年 4 月 18 日 | 日本機械学会奨励賞（研究） 遊佐泰紀 |
JSME Young Engineers Award Yasunori Yusa |
| 2016 年 5 月 27 日 | 日本計算工学会博士論文賞 遊佐泰紀 |
The PhD Thesis Award, JSCES Yasunori Yusa |
担当授業科目 Courses
| 2020 年 4 月～現在 | メカトロニクス基礎実験 A | 前学期 金曜日 第 3 時限、第 4 時限 |
|---|---|---|
| 2020 年 4 月～現在 | 知能機械工学基礎実験第一 | 前学期 金曜日 第 3 時限、第 4 時限 |
| 2020 年 4 月～現在 | メカトロニクス基礎実験 B | 後学期 金曜日 第 3 時限、第 4 時限 |
| 2020 年 4 月～現在 | 知能機械工学基礎実験第二 | 後学期 金曜日 第 3 時限、第 4 時限 |
主な委員会活動 Selected committee activities
| 2018 年 4 月～2027 年 3 月 | 日本計算力学連合 事務局補佐 Secretary, Japan Association for Computational Mechanics |
|---|---|
| 2020 年 11 月～2025 年 12 月 | Secretary, Asian Pacific Association for Computational Mechanics |
| 2022 年 4 月～2026 年 3 月 | 精密工学会 広報・情報部会 広報委員会 委員 |
| 2025 年 7 月 | Member, Local Organizing Committee, 4th International Conference on Computational Engineering and Science for Safety and Environmental Problems |
| 2025 年 6 月 | 第 30 回計算工学講演会 実行委員会 委員 |
| 2010 年 8 月～2026 年 6 月 | 日本溶接協会 原子力研究委員会 SPN-II 小委員会（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） 中立委員 |
| 2023 年 4 月～2026 年 3 月 | 日本溶接協会 原子力研究委員会 FDF-III 小委員会（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 3）） 中立委員 |
| 2024 年 7 月～2026 年 3 月 | 新エネルギー・産業技術総合開発機構 NEDO 先導研究プログラム 浮体式洋上風力発電の HPC と AI 連携活用型解析技術の基盤開発 研究アドバイザー |
他の活動 Other activities
- 東京理科大学 創域理工学部 機械航空宇宙工学科 客員准教授
Visiting Associate Professor, Department of Mechanical and Aerospace Engineering, Faculty of Science and Technology, Tokyo University of Science - 大阪大学 接合科学研究所 共同研究員
Joint Research Collaborator, Joining and Welding Research Institute, The University of Osaka - ADVENTURE プロジェクト
ADVENTURE Project