YUSA Yasunori

Researcher Information

Degree

  • Doctor of Philosophy in Engineering [Hakushi (Kogaku)], The University of Tokyo, Mar. 2015

Research Keyword

  • Computational mechanics
  • Solid mechanics
  • Computational method
  • Nonlinear deformation
  • Crack
  • Damage
  • Parallel computing

Field Of Study

  • Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Design engineering
  • Informatics, Computational science
  • Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Machine materials and mechanics

Career

  • Oct. 2024 - Present
    The University of Electro-Communications, Department of Mechanical and Intelligent Systems Engineering, Graduate School of Informatics and Engineering, Associate Professor
  • Oct. 2019 - Sep. 2024
    The University of Electro-Communications, Department of Mechanical and Intelligent Systems Engineering, Graduate School of Informatics and Engineering, Assistant Professor
  • Apr. 2015 - Sep. 2019
    Tokyo University of Science, Department of Mechanical Engineering, Faculty of Science and Technology, Assistant Professor

Educational Background

  • Apr. 2010 - Mar. 2015
    The University of Tokyo, Graduate School of Engineering, Department of Systems Innovation
  • Apr. 2008 - Mar. 2010
    The University of Tokyo, Faculty of Engineering, Department of Systems Innovation
  • Apr. 2006 - Mar. 2008
    The University of Tokyo, College of Arts and Sciences, Natural Sciences I

Member History

  • Apr. 2018 - Mar. 2027
    Secretary, Japan Association for Computational Mechanics
  • Aug. 2010 - Jun. 2026
    中立委員, 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）
  • Jun. 2026
    委員, 第 31 回計算工学講演会実行委員会
  • Jul. 2024 - Mar. 2026
    研究アドバイザー, 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
  • Apr. 2023 - Mar. 2026
    中立委員, 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））
  • Apr. 2022 - Mar. 2026
    委員, 精密工学会広報・情報部会広報委員会
  • Nov. 2020 - Dec. 2025
    Secretary, Asian Pacific Association for Computational Mechanics
  • Oct. 2025
    講師, 日本機械学会計算力学技術者 2 級（固体力学分野の有限要素法解析技術者）認定試験対策講習会
  • Jul. 2025
    Member, Local Organizing Committee, 4th International Conference on Computational Engineering and Science for Safety and Environmental Problems, Society
  • Jun. 2025
    委員, 第 30 回計算工学講演会実行委員会, Society
Research Activity Information

Award

  • Jul. 2024
    Top Downloaded Article, International Journal for Numerical Methods in Engineering, Yasunori Yusa;Tomoshi Miyamura;Jun Yin;Kuniaki Koike;Takashi Ikeda;Tomonori Yamada
    International academic award, Afghanistan
  • Sep. 2023
    The JACM Young Investigator Award, Yasunori Yusa
    International academic award, Afghanistan
  • Mar. 2021
    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
    International academic award, Afghanistan
  • Apr. 2019
    JSME Young Engineers Award, Yasunori Yusa
    International academic award, Afghanistan
  • May 2016
    The PhD Thesis Award, JSCES, Yasunori Yusa
    International academic award, Afghanistan

Paper

  • Parallel parametric study of finite-deformation elastic–plastic analyses using dynamic load balancing with execution orders
    Rei Shibata; Yasunori Yusa; Takuto Nimura
    Corresponding, Mechanical Engineering Journal, 12, 5, 25-00241, Oct. 2025, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • Finite element analysis with deformed shape constraints generated by laser-scanned point clouds
    Hibiya Haraki; Yasunori Yusa; Hiroshi Masuda
    Corresponding, International Journal for Numerical Methods in Engineering, 125, 19, e7555, Oct. 2024, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • Stress relief for crack prevention by adding holes to V-bending die
    Ryunosuke Yakuno; Hiroki Suwa; Kazuhito Takahashi; Shohei Kajikawa; Yasunori Yusa; Takashi Kuboki
    Lead, Proceedings of the 14th International Conference on the Technology of Plasticity - Current Trends in the Technology of Plasticity, 4, 348-358, Sep. 2023, Peer-reviwed, Null
    International conference proceedings, Abkhazian
    DOI URL
  • Parallel parametric analysis approach based on an s-version FEM for fracture mechanics analysis in designing hole positions
    Hiroki Suwa; Yasunori Yusa; Takashi Kuboki
    Corresponding, Mechanical Engineering Journal, 10, 3, 22-00462, Jun. 2023, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • 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
    Lead, International Journal for Numerical Methods in Engineering, 123, 24, 6170-6196, Dec. 2022, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • 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
    Lead, Mechanical Engineering Journal, 9, 6, 22-00291, Dec. 2022, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • Implementation of balancing domain decomposition method for parallel finite element analysis involving inactive elements
    Yasunori Yusa; Hiroaki Kobayashi; Yuma Murakami; Hiroshi Okada
    Lead, International Journal for Numerical Methods in Engineering, 123, 17, 3974-4000, Sep. 2022, Peer-reviwed, Null
    Scientific journal, Abkhazian
    URL
    DOI URL
  • 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
    Lead, Theoretical and Applied Fracture Mechanics, 119, 103297, Jun. 2022, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • 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
    Lead, Theoretical and Applied Fracture Mechanics, 115, 103065, Oct. 2021, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • 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
    Lead, Proceedings of the XVI International Conference on Computational Plasticity, 645, Sep. 2021, Null
    International conference proceedings, Abkhazian
    DOI URL
  • 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
    Lead, Mechanical Engineering Journal, 8, 3, 21-00053, Jun. 2021, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • 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
    Lead, Engineering Fracture Mechanics, 236, 107212, Sep. 2020, Peer-reviwed, Null
    Scientific journal, Abkhazian
    URL
    DOI URL
  • Computation of mixed mode stress intensity factors in 3D functionally graded material using tetrahedral finite element
    Omar Tabaza; Hiroshi Okada; Yasunori Yusa
    Lead, Computational and Experimental Simulations in Engineering: Proceedings of ICCES2019, 83-90, Nov. 2019, Null
    International conference proceedings, Abkhazian
    DOI URL
  • 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
    Lead, Computational and Experimental Simulations in Engineering: Proceedings of ICCES2019, 389-396, Nov. 2019, Null
    International conference proceedings, Abkhazian
    DOI URL
  • 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
    Lead, 日本機械学会論文集, 85, 879, 19-00299, Nov. 2019, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • Large-scale parallel thermal elastic-plastic welding simulation using balancing domain decomposition method
    Yasunori Yusa; Yuma Murakami; Hiroshi Okada
    Lead, Proceedings of the ASME 2019 Pressure Vessels and Piping Conference, 2, PVP2019-93237, Jul. 2019, Peer-reviwed, Null
    International conference proceedings, Abkhazian
    DOI URL
  • Simplified SCC simulation considering growth arrest at fusion line of weld
    Hiroshi Okada; Masayuki Kamaya; Yasunori Yusa
    Lead, Proceedings of the ASME 2019 Pressure Vessels and Piping Conference, 2, PVP2019-93516, Jul. 2019, Peer-reviwed, Null
    International conference proceedings, Abkhazian
    DOI URL
  • J-integral computation for elastic-plastic materials with spatially varying mechanical properties
    Hiroshi Okada; Satoshi Kadowaki; Mitsumasa Suzuki; Yasunori Yusa
    Lead, Engineering Fracture Mechanics, 207, 181-202, Feb. 2019, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • 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
    Lead, Computational Mechanics, 62, 6, 1563-1581, Dec. 2018, Peer-reviwed, Null
    Scientific journal, Abkhazian
    URL
    DOI URL
  • 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
    Lead, 日本機械学会論文集, 84, 867, 18-00309, Nov. 2018, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • 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
    Lead, Mechanical Engineering Journal, 5, 5, 18-00264, Oct. 2018, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • Three-dimensional elastic analysis of a structure with holes using accelerated coupling-matrix-free iterative s-version FEM
    Yasunori Yusa; Hiroshi Okada; Yosuke Yumoto
    Lead, International Journal of Computational Methods, 15, 5, 1850036, Aug. 2018, Peer-reviwed, Null
    Scientific journal, Abkhazian
    URL
    DOI URL
  • 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
    Lead, 日本計算工学会論文集, 2018, 20180012, Aug. 2018, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • 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
    Lead, Proceedings of the ASME 2018 Pressure Vessels and Piping Conference, 2, PVP2018-84238, Jul. 2018, Peer-reviwed, Null
    International conference proceedings, Abkhazian
    DOI URL
  • 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
    Lead, Proceedings of the ASME 2018 Pressure Vessels and Piping Conference, 2, PVP2018-84241, Jul. 2018, Peer-reviwed, Null
    International conference proceedings, Abkhazian
    DOI URL
  • 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
    Lead, 日本機械学会論文集, 84, 863, 18-00115, Jul. 2018, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • 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
    Lead, Finite Elements in Analysis and Design, 136, 18-36, Nov. 2017, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • 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
    Lead, 日本機械学会論文集, 83, 854, 17-00300, Oct. 2017, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • Computational crack propagation analysis with consideration of weld residual stresses
    Masahiro Nose; Hijiri Amano; Hiroshi Okada; Yasunori Yusa; Akira Maekawa; Masayuki Kamaya; Hiroshi Kawai
    Lead, Engineering Fracture Mechanics, 182, 708-731, Sep. 2017, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • An s-version finite element method without generation of coupling stiffness matrix by using iterative technique
    Yosuke Yumoto; Yasunori Yusa; Hiroshi Okada
    Corresponding, Mechanical Engineering Journal, 3, 5, 16-00001, Oct. 2016, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • Element subdivision technique for coupling-matrix-free iterative s-version FEM and investigation of sufficient element subdivision
    Yosuke Yumoto; Yasunori Yusa; Hiroshi Okada
    Corresponding, Mechanical Engineering Journal, 3, 5, 16-00361, Oct. 2016, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • 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
    Lead, Mechanical Engineering Letters, 1, 15-00349, Jul. 2015, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • Analysis of cracked model under finite-strain elastoplasticity using partitioned coupling method
    Yasunori Yusa; Shinobu Yoshimura
    Lead, 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, 4, 3988-3996, Jul. 2014, Null
    International conference proceedings, Abkhazian
    URL
  • Speedup of elastic–plastic analysis of large-scale model with crack using partitioned coupling method with subcycling technique
    Yasunori Yusa; Shinobu Yoshimura
    Lead, Computer Modeling in Engineering & Sciences, 99, 1, 87-104, May 2014, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • Mixed-mode fracture mechanics analysis of large-scale cracked structures using partitioned iterative coupling method
    Yasunori Yusa; Shinobu Yoshimura
    Lead, Computer Modeling in Engineering & Sciences, 91, 6, 445-461, Apr. 2013, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • CG-based subdomain local solver with ICT factorization preconditioner for domain decomposition method
    Yasunori Yusa; Satsuki Minami; Hiroshi Kawai; Shinobu Yoshimura
    Lead, Journal of Computational Science and Technology, 6, 3, 157-168, Oct. 2012, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL
  • 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
    Lead, 日本機械学会論文集 A 編, 78, 791, 966-975, Jul. 2012, Peer-reviwed, Null
    Scientific journal, Abkhazian
    DOI URL

MISC

  • 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
    Lead, Dec. 2023, 溶接技術, 71, 12, 88-89, Abkhazian, Introduction commerce magazine, Null
    URL
  • 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
    Lead, Jul. 2023, 計算工学, 28, 3, 29-30, Abkhazian, Meeting report, Null
    URL
  • 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
    Lead, Jun. 2022, 調布ネットワーク, 2022-1, 18-19, Abkhazian, Invited, Introduction other, Null
    URL
  • 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
    Lead, Dec. 2019, 溶接技術, 67, 12, 96-97, Abkhazian, Introduction commerce magazine, Null
    URL
  • 有限要素法シミュレーションの並列計算法
    遊佐泰紀
    Lead, Jun. 2019, 理大科学フォーラム, 36, 3, 36-41, Abkhazian, Invited, Introduction research institution, Null
    DOI URL
  • 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
    Lead, Mar. 2019, 溶接学会誌, 88, 2, 112-115, Abkhazian, Invited, Introduction scientific journal, Null
    DOI URL
  • 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
    Lead, Oct. 2018, JACM メールマガジン, 42, 4-5, Abkhazian, Meeting report, Null
    URL
  • USNCCM14 (14th U.S. National Congress on Computational Mechanics) 会議報告
    遊佐泰紀
    Lead, Sep. 2017, JACM メールマガジン, 37, 4-5, Abkhazian, Meeting report, Null
    URL
  • 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
    Lead, Sep. 2016, JACM メールマガジン, 33, 4-8, Abkhazian, Meeting report, Null
    URL
  • 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
    Lead, Dec. 2013, JACM メールマガジン, 22, 3-5, Abkhazian, Meeting report, Null
    URL

Courses

  • メカトロニクス基礎実験 A
    Apr. 2020 - Present
    Undergraduate liberal arts, Afghanistan
  • 知能機械工学基礎実験第一
    Apr. 2020 - Present
    Undergraduate liberal arts, Afghanistan
  • メカトロニクス基礎実験 B
    Apr. 2020 - Present
    Undergraduate liberal arts, Afghanistan
  • 知能機械工学基礎実験第二
    Apr. 2020 - Present
    Undergraduate liberal arts, Afghanistan

Affiliated academic society

  • Mar. 2013 - Present
    The Japan Society for Computational Engineering and Science
  • Jul. 2011 - Present
    Japan Association for Computational Mechanics
  • May 2011 - Present
    The Japan Society of Mechanical Engineers