Koibuchi Hiroshi

コイブチヒロシ | Koibuchi Hiroshi

Affiliation and department：
Homepage URL (2)： https://koibuchihiroshi.sakura.ne.jp/ , https://koibuchihiroshi.sakura.ne.jp/index-e.html

Research field (4)： Fluid engineering , Computational science , Bio-, chemical, and soft-matter physics , Nanostructure physics

Research keywords (11)： Numerical Fluid Dynamics , Discrete Geometry , Elastic Property , ferromagnetism , Liquid Crystal , Polymer , Membranes , Mathematical modeling , Computational Physics , Mathematical Physics , Computational Mechanics

Research theme for competitive and other funds (10)：

2022 - 2023 Mechanism study of hydrogen embrittlement by martensite transition visualization system and X-ray tomography
2020 - 2022 New geometric interpretation of internal structure of materials and its application to elucidation of the deformation mechanism
2020 - 2021 Stochastic Fluid Dynamics Simulations for Velocity Distribution of Protoplasmic Streaming
2019 - 2020 Mathematical modeling and MC study of deformation of ferroelectric polymers under electric field
2017 - 2020 Mathematical Modeling and Numerical studies for Mnisotropic and non-linear Deformation of Polymeric Materials

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Papers (95)：

Gildas Diguet, Madoka Nakayama, Sohei Tasaki, Fumitake Kato, Hiroshi Koibuchi, Tetsuya Uchimoto. Numerical study of anisotropic diffusion in Turing patterns based on Finsler geometry modeling. Physical Review E. 2024. 109. 1
Shuta Noro, Satoshi Hongo, Shinichiro Nagahiro, Hisatoshi Ikai, Hiroshi Koibuchi, Madoka Nakayama, Tetsuya Uchimoto, Gildas Diguet. Langevin and Navier-Stokes simulation of three-dimensional protoplasmic streaming. Physica A: Statistical Mechanics and its Applications. 2023. 129154-129154
G. Diguet, B. Ducharne, S. El Hog, F. Kato, H. Koibuchi, T. Uchimoto, H.T. Diep. Monte Carlo studies of skyrmion stabilization under geometric confinement and uniaxial strain. Journal of Magnetism and Magnetic Materials. 2023. 579. 170819-170819
SahbiEl Hog, Fumitake Kato, Satoshi Hongo, Hiroshi Koibuchi, Gildas Diguet, Tetsuya Uchimoto, Hung T. Diep. The stability of 3D skyrmions under mechanical stress studied via Monte Carlo calculations. Results in Physics. 2022. 38. 105578-105578
Sahbi El Hog, Fumitake Kato, Hiroshi Koibuchi, Hung T. Diep. Finsler geometry modeling and Monte Carlo study of skyrmion shape deformation by uniaxial stress. Physical Review B. 2021. 104. 2. 024402-1-024402-17

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MISC (71)：

H. Koibuchi, S. Hongo, F. Kato, S. El Hog, G. Diguet, T. Uchimoto, H. T. Diep. Monte Carlo studies on shape deformation and stability of 3D skyrmions under mechanical stresses. Journal of Physics: Conference Series. 2022. 2090. 1. 012080-012080
鯉渕弘資, 内一哲哉, RIEU Jean-Paul, MAKSIMOWA Olga, EGOROV Vladislav, ANDREEVA Irina, 本郷哲, 永弘進一郎, 井海寿俊, 中山まどか. Stochastic Fluid Dynamics Simulations for Velocity Distribution of Protoplasmic Streaming. 東北大学流体科学研究所共同利用・共同研究拠点流体科学国際研究教育拠点活動報告書(CD-ROM). 2021. 2020
Hiroshi Koibuchi, Masahiko Okumura, Shuta Noro. Finsler geometry modeling for anisotropic diffusion in Turing patterns. Journal of Physics: Conference Series. 2021. 1730. 1. 012035-012035
Masahiko Okumura, Ippei Homma, Shuta Noro, Hiroshi Koibuchi. Finsler geometry modeling of complex fluids: reduction in viscous resistance. Journal of Physics: Conference Series. 2021. 1730. 1. 012036-012036
Shuta Noro, Masahiko Okumura, Satoshi Hongo, Shinichiro Nagahiro, Toshiyuki Ikai, Madoka Nakayama, Hiroshi Koibuchi. Langevin simulations of protoplasmic streaming in non-Euclidean geometry. Journal of Physics: Conference Series. 2021. 1730. 1. 012037-012037

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Books (1)：

Frustrated Spin Systems, 3rd Edition
World Scientific 2020

Lectures and oral presentations (30)：

Stochastic Fluid Dynamics Simulations of Velocity Distribution in Protoplasmic Streaming
(International Conference on Flow Dynamics (ICFD) 2020 2020)
Mathematical modeling of skyrmion shape deformation under uni-axial stresses
(IC-Msquare 2019 (Slovakia, Bratislava) 2019)
Mathematical modeling of polymeric materials: Finsler geometry models and Monte Carlo simulations
(15th International Workshop on Complex Systems (Italy, Trento) 2019)
Mathematical modeling and simulations of soft-elastic materials under large strain
(International Conference on Flow Dynamics (ICFD) 2018 2018)
Mathematical Modeling of Rubber Elasticity
(International Conference on Mathematical Modeling in Physical Sciences 2018 (モスクワ,ロシア) 2018)

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Education (5)：

- 1982 Tokyo Institute of Technology Science of Engineering
- 1982 Tokyo Institute of Technology Graduate School, Division of Science and Engineering
- 1979 Saitama University
- 1979 Saitama University Faculty of Science and Engineering
- 1976 Ibaraki National College of Technology

Professional career (1)：

Dr. (Tokyo Institute of Technology)

Work history (7)：

2022/04 - 2023/03 Ibaraki National College of Technology Researcher
2021/04 - 2022/03 National Institute of Technology (KOSEN), Sendai College
2019/04 - 2021/03 National Institute of Technology (Kosen), Sendai College General Engineering Part time professor
2017/04 - 2019/03 National Institute of Technology, Ibaraki College Industrial Engineering Department Professor
2005/04 - 2017/03 National Institute of Technology, Ibaraki College Mechanical and Systems Engineering Professor

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