Kurahashi Takahiko

クラハシタカヒコ | Kurahashi Takahiko

Affiliation and department：
Job title： Professor
Homepage URL (2)： https://mcweb.nagaokaut.ac.jp/~kurahashi/index.php , https://mcweb.nagaokaut.ac.jp/~kurahashi/index.php?id=50

Research field (3)： Machine materials and mechanics , Structural and seismic engineering , Soft computing

Research keywords (7)： Inverse analysis , Computational mechanics , Data science , Non-destructive sensing , Machine learning , Topology optimization , Shape optimization

Research theme for competitive and other funds (14)：

2022 - 2025 Development of a new small device for hammering test and numerical experiments based on the defect topology identification method
2023 - 2025 "Clog-free" microchannel: Elucidation of yeast adsorption mechanism considering surface free energy and pressure
2022 - 2023 高精度潮流発電ポテンシャルの算定に向けた新規流れ場推定技術の構築
2018 - 2021 Development of oscillation control bearing based on the unsteady topology optimal design analysis
2015 - 2018 High accurate flow field estimation analysis based on the Kalman filter FEM for selection of tidal stream power generator locations

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Papers (83)：

Kosuke Shimizu, Masayuki Kishida, Takahiko Kurahashi. Level-set based topology optimization for bi-linear type elasto-plastic problems. JSIAM Letters. 2024. 16. 21-24
Masaya KOBAYASHI, Takahiko KURAHASHI. Numerical studies on a proposed stepwise binarization method for the topology optimization analysis of the sloshing control problem. Journal of Fluid Science and Technology. 2024. 19. 1. JFST0001-JFST0001
Takahiko KURAHASHI, Kengo TAKEUCHI, Towa KOIKE, Masayuki KISHIDA, Yuki MURAKAMI, Fujio IKEDA. Numerical studies for defect topology identification based on the adjoint variable and the finite element methods. Mechanical Engineering Journal. 2023. 10. 3. 23-00090
Masayuki KISHIDA, Takahiko KURAHASHI. Development of a novel non-positive definite correspondence modified optimality criteria method for multi-objective density-based topology optimization. Mechanical Engineering Journal. 2023. 10. 6. 23-00353
M. Shimada, K. Yamamoto, T. Kurahashi, Y. Murakami, F. Ikeda, I. Ihara. Identification of non-dimensional density distribution of concrete structures based on self-attention using hammering response data. Engineering Optimization. 2023. 55. 7. 1083-1099

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MISC (111)：

T.Kurahashi, M.Nakazawa, M.Kishida, K.Shimizu, T.Iyama. Comparing the topology optimization results of the stiffest structure using two types of topological derivatives. Research Reports of National Institute of Technology(KOSEN), Nagaoka College. 2024. 59. 1. 20-25
D.Q. Thuan, T. Kurahashi, H. Arata, T. Iyama. Optimization of Texture Design Parameters for Friction Reduction Based on Design of Experiments and Finite Element Fluid Analysis. Research Reports of National Institute of Technology(KOSEN), Nagaoka College. 2024. 59. 1. 11-19
Y. Sugiyama, T. Kurahashi, T. Eto. Shape Optimization of an object in an incompressible viscous fluid for drag minimization (Considerations for introducing a shape selection process using deep reinforcement learning). Research Reports of National Institute of Technology(KOSEN), Nagaoka College. 2024. 59. 1. 6-10
T.Kurahashi, S.Ichikawa, M.Kishida, M.Ikarashi, T.Iyama. Density-based topology optimization for maximally stiff structure problem using two-phase materials. Research Reports of National Institute of Technology(KOSEN), Nagaoka College. 2024. 59. 1. 1-5
櫻井真希, 瀧澤裕文, 込山晃市, 倉橋貴彦, 村上祐貴. VRを用いたRC構造物の打音点検技能の可視化-Visualization of Hammering Test Skills for Reinforced Concrete Structures using VR. コンクリート構造物の補修,補強,アップグレード論文報告集 Proceedings of the Concrete Structure Scenarios, JSMS / 日本材料学会編. 2023. 23. 325-330

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Patents (1)：

水位状況推定プログラム、水位状況推定システムおよび水位状況推定方法

Books (3)：

計算力学の基礎 : 数値解析から最適設計まで
共立出版 2023 ISBN:9784320082304
Advances in Structural and Multidisciplinary Optimization
Springer 2017
Perusal of the Finite Element Method
INTECH 2016

Lectures and oral presentations (179)：

Influence of mesh resolution in FEM for estimation accuracy in data assimilation based on the Kalman filter (Application of Kalman filter FEM for flow field estimation in Hichirippu-numa model)
(ICTAM 2024 2024)
Topology optimization analysis for strain energy minimization problem
(DX manufacturing workshops at Nagaoka 2023 2023)
Level-set-based topology optimization for bi-linear type elasto-plastic problems
(ICIAM2023 2023)
Application of density-based topology optimization for maximally stiff structure problem using two-phase materials
(ICIAM2023 2023)
Texture shape optimization for minimization of friction coefficient based on the modified accelerated gradient method
(ICIAM2023 2023)

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Education (1)：

- 2007 Chuo University Graduate School, Division of Science and Engineering

Professional career (1)：

Dr. of Engineering (Chuo University)

Work history (7)：

2023/09 - 現在 Department of Mechanical Engineering, Institute of GIGAKU, Nagaoka University of Technology Professor
2014/04 - 2023/08 Department of Mechanical Engineering, Nagaoka University of Techonology Associate Professor
2012/04 - 2014/03 National Institute of Technology, Nagaoka College Department of Mechanical Engineering
2012/01 - 2012/03 Nagaoka University of Technology Department of Mechanical Engineering Associate Professor
2008/04/01 - 2011/12/31 Department of Mechanical Engineering, Nagaoka University of Techonology Assistant Professor

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Awards (3)：

2022/03 - 日本機械学会日本機械学会三浦賞
2017/03/15 - 日本機械学会日本機械学会畠山賞
2014/03/07 - 日本機械学会日本機械学会北陸信越支部賞学生賞 Akinの特異要素を用いたFEMによる異材接合体に対する三次元特異応力場の評価

Association Membership(s) (4)：

日本材料学会 , 日本応用数理学会 , 日本機械学会 , 日本計算数理工学会

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