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

Solid mechanics

Computational mechanics

Computational method

Nonlinear deformation

Crack

Parallel computing

Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Design engineering

Manufacturing technology (mechanical, electrical/electronic, chemical engineering), Machine materials and mechanics

Informatics, Computational science

Oct. 2019 - Present
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

Apr. 2010 - Mar. 2015
The University of Tokyo, Graduate School of Engineering, Department of Systems Innovation

Apr. 2018 - Mar. 2027
Secretary, Japan Association for Computational Mechanics (JACM)

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 (APACM)

Jul. 2025
Member, Local Organizing Committee, 4th International Conference on Computational Engineering and Science for Safety and Environmental Problems (COMPSAFE 2025)

Nov. 2020 - Oct. 2024
委員, 第 26 回～第 29 回計算工学講演会実行委員会

Sep. 2024
Member, Organizing Committee, KSME-JSME Joint Symposium on Computational Mechanics & CAE 2024

Sep. 2023
The JACM Young Investigator Award, Yasunori Yusa

Mar. 2021
Best Presentation Award, 2021 JSPE Spring Meeting, Yasunori Yusa

Apr. 2019
JSME Young Engineers Award, Yasunori Yusa

May 2016
The PhD Thesis Award, JSCES, Yasunori Yusa

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, 4, 348-358, Sep. 2023, Peer-reviwed
International conference proceedings

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, 10, 3, 22-00462, Jun. 2023, Peer-reviwed
Scientific journal

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, 123, 24, 6170-6196, Dec. 2022, Peer-reviwed
Scientific journal

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, 9, 6, 22-00291, Dec. 2022, Peer-reviwed
Scientific journal

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, 123, 17, 3974-4000, Sep. 2022, Peer-reviwed
Scientific journal

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, 119, 103297, Jun. 2022, Peer-reviwed
Scientific journal

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, 115, 103065, Oct. 2021, Peer-reviwed
Scientific journal

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, 645, Sep. 2021
International conference proceedings

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, 8, 3, 21-00053, Jun. 2021, Peer-reviwed
Scientific journal

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, 236, 107212, Sep. 2020, Peer-reviwed
Scientific journal

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, 85, 879, 19-00299, Nov. 2019, Peer-reviwed
Scientific journal

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, 2, PVP2019-93237, Jul. 2019, Peer-reviwed
International conference proceedings

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, 2, PVP2019-93516, Jul. 2019, Peer-reviwed
International conference proceedings

Computation of mixed mode stress intensity factors in 3D functionally graded material using tetrahedral finite element
Omar Tabaza; Hiroshi Okada; Yasunori Yusa
Proceedings of the 24th International Conference on Computational & Experimental Engineering and Sciences, 83-90, Mar. 2019
International conference proceedings

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
Proceedings of the 24th International Conference on Computational & Experimental Engineering and Sciences, 389-396, Mar. 2019
International conference proceedings

J-integral computation for elastic-plastic materials with spatially varying mechanical properties
Hiroshi Okada; Satoshi Kadowaki; Mitsumasa Suzuki; Yasunori Yusa
Engineering Fracture Mechanics, 207, 181-202, Feb. 2019, Peer-reviwed
Scientific journal

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, 62, 6, 1563-1581, Dec. 2018, Peer-reviwed
Scientific journal

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, 84, 867, 18-00309, Nov. 2018, Peer-reviwed
Scientific journal

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, 5, 5, 18-00264, Oct. 2018, Peer-reviwed
Scientific journal

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, 15, 5, 1850036, Aug. 2018, Peer-reviwed
Scientific journal

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, 2018, 20180012, Aug. 2018, Peer-reviwed
Scientific journal

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, 2, PVP2018-84238, Jul. 2018, Peer-reviwed
International conference proceedings

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, 2, PVP2018-84241, Jul. 2018, Peer-reviwed
International conference proceedings

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, 84, 863, 18-00115, Jul. 2018, Peer-reviwed
Scientific journal

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, 136, 18-36, Nov. 2017, Peer-reviwed
Scientific journal

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, 83, 854, 17-00300, Oct. 2017, Peer-reviwed
Scientific journal

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, 182, 708-731, Sep. 2017, Peer-reviwed
Scientific journal

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, 137-141, Aug. 2017, Peer-reviwed
International conference proceedings

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, 3, 5, 16-00001, Oct. 2016, Peer-reviwed
Scientific journal

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, 3, 5, 16-00361, Oct. 2016, Peer-reviwed
Scientific journal

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, 1, 15-00349, Jul. 2015, Peer-reviwed
Scientific journal

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, 5th European Conference on Computational Mechanics, and 6th European Conference on Computational Fluid Dynamics, 4, 3988-3996, Jul. 2014
International conference proceedings

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, 99, 1, 87-104, May 2014, Peer-reviwed
Scientific journal

Mixed-mode fracture mechanics analysis of large-scale cracked structures using partitioned iterative coupling method
Yasunori Yusa; Shinobu Yoshimura
Computer Modeling in Engineering & Sciences, 91, 6, 445-461, Apr. 2013, Peer-reviwed
Scientific journal

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, 6, 3, 157-168, Oct. 2012, Peer-reviwed
Scientific journal

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, 78, 791, 966-975, Jul. 2012, Peer-reviwed
Scientific journal

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
Jun. 2022, 調布ネットワーク, 2022-1, 18-19, Invited, Introduction other

有限要素法シミュレーションの並列計算法
遊佐泰紀
Jun. 2019, 理大科学フォーラム, 36, 3, 36-41, Invited, Introduction research institution

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
Mar. 2019, 溶接学会誌, 88, 2, 112-115, Invited, Introduction scientific journal

メカトロニクス基礎実験 A・知能機械工学基礎実験第一
Apr. 2020 - Present

メカトロニクス基礎実験 B・知能機械工学基礎実験第二
Apr. 2020 - Present