Rchr
J-GLOBAL ID:202101019569945530
Update date: Sep. 28, 2024 Kumagai Tomohisa
クマガイ トモヒサ | Kumagai Tomohisa
Affiliation and department: Job title:
Senior Scientific Researcher
Research field (3):
Structural and functional materials
, Structural and functional materials
, Machine materials and mechanics
Research keywords (10):
Impact Strength
, Hydrogen Embrittlement
, Classical Molecular Dynamics
, Continuum Dislocation Dynamics
, Peridynamics
, Interatomic Potential
, Steel
, Materials Strength at High Temperature
, Finite Element Method
, First Principles Calculation
Research theme for competitive and other funds (6): Papers (57): -
Eui-Kyun Park, Jin-Ha Hwang, Yun-Jae Kim, Tomohisa Kumagai. Strain-Based damage model for ductile tearing simulation under combined tensile and shear modes. Engineering Fracture Mechanics. 2024
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Hayato TOKUNAGA, Akiyoshi NOMOTO, Tomohisa KUMAGAI, Hiroyuki YAMADA. Strain Rate Dependence of Strain-Induced Martensitic Formation and Tensile Ductility in SUS304 Stainless Steel. Journal of the Society of Materials Science, Japan. 2024. 73. 4. 314-319
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Tomohisa Kumagai, Kazuma Suzuki, Akiyoshi Nomoto, Satoshi Hara, Akiyuki Takahashi. Prediction of the binding energy of self interstitial atoms in alpha iron by a graph neural network. Materialia. 2024. 33. 101977
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Tomohisa Kumagai, Maniesha Singh, Anter El-Azab. A first-principles investigation of internal energy and entropy of formation of charged defects in Th1-xUxO2 (x ≤ 0.5). Journal of Applied Physics. 2024. 135. 6. 065103-1-065103-18
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Kaoru Nakamura, Tomohisa Kumagai, Toshiharu Ohnuma. Atomistic simulation of shear deformation at bcc-Fe grain boundary and precipitation strengthening by Cr23C6. Materials Today Communications. 2022. 33. 104711
more... MISC (1): -
Tomohisa Kumagai. Atomic Structures of Amorphous Carbon Film Generated by Computer Simulations. Tribologist. 2013. 58. 9. 622-627
Lectures and oral presentations (113): -
Effect of Strain Rate on Hydrogen Embrittlement in SCM435 Steel
(JSME Materials and Processing Symposium 2024 2024)
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Strain Rate Dependence of Tensile Properties and Strain-induced Martensitic Formation in SUS304
(14th INTERNATIONAL CONFERENCE on MECHANICAL and PHYSICAL BEHAVIOUR of MATERIALS under DYNAMIC LOADING (DYMAT2024) 2024)
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Investigation of diffusion behavior and activation energies of Self-Interstitial Atoms in α-iron using machine learning interatomic potential
(16th World Congress on Computational Mechanics and 4th Pan American Congress on Computational Mechanics 2024)
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Investigation of diffusion behavior and activation energies of self-interstitial atoms in alpha-iron using machine learning interatomic potential
(2024)
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機械学習を利用した計算科学による照射損傷予測・脆化評価技術の整備
(第2 回若手研究グループ 「原子力エネルギー用材料研究会」 2024)
more... Education (3): - 2004 - 2007 The University of Tokyo The Graduate School of Engineering Department of Mechanical Engineering
- 2002 - 2004 The University of Tokyo The Graduate School of Engineering Department of Mechanical Engineering
- 1998 - 2002 The University of Tokyo The Faculty of Engineering Department of Mechano-Informatics
Professional career (1): Work history (4): - 2021/07 - 現在 Central Research Institute of Electric Power Industry Materials Science Division, Energy Transformation Research Laboratory Senior Research Scientist
- 2010/04 - 2021/06 Central Research Institute of Electric Power Industry Materials Science Laboratory Research Scientist
- 2019/07 - 2020/12 Purdue University School of Materials Engineering Guest Researcher
- 2007/04 - 2010/03 The University of Tokyo The Graduate School of Engineering Department of Mechanical Engineering Assistant Professor
Committee career (14): - 2024/05 - 現在 The Japan Society for Computational Engineering Board Member
- 2016/07 - 現在 PVCS committee, High Pressure Institute, Japan Member
- 2016/07 - 現在 日本高圧力技術協会 圧力規格審議委員会 委員
- 2024/04 - 2025/03 Materials & Mechanics Division, The Japan Society of Mechanical Engineers. Chair, Award Committee
- 2023/04 - 2025/03 Organizing Committee, Materials & Mechanics Division, The Japan Society of Mechanical Engineers. Member
- 2023/04 - 2024/03 Organizing Committee, Materials & Mechanics Division, The Japan Society of Mechanical Engineers. Co-Chair, Award Committee
- 2022/07 - 2024/03 The 27th International Conference on Structural Mechanics in Reactor Technology (The SMiRT 27), Yokohama, Japan Secretary, International Scientific Committee
- 2020/12 - 2022/06 Committee on multiscale materials mechanics, JSMS Organizer
- 2020/02 - 2022/03 SIL3 committee, High Pressure Institute, Japan Member
- 2018/04 - 2020/03 High Pressure Institute, Japan, SIL2 committee Member
- 2018/04 - 2019/03 The Japan Society of Mechanical Engineers Representative member
- 2017/04 - 2019/03 Organizing Committee, Materials & Mechanics Division, The Japan Society of Mechanical Engineers. Member
- 2016/04 - 2018/03 SIL committee, High Pressure Institute, Japan. Member
- 2016/04 - 2017/03 The Japan Society of Mechanical Engineers Reviewer
Show all
Awards (4): - 2018/11 - 電力中央研究所 理事長表彰
- 2016/05 - JSMS, committee on molecular dynamics Best Presentation Award
- 2006/05 - The 11th Molecular Dynamics Symposium Best Presentation Award for Students
- 2005/05 - International Anniversary Symposium on Molecular Dynamics Simulations 2005 MD Award (Best Poster)
Association Membership(s) (3):
The Japan Society for Computational Engineering and Science
, The Society of Materials Science, Japan
, The Japan Society of Mechanical Engineers
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