IKUMU WATANABE

ワタナベイクム | IKUMU WATANABE

Affiliation and department：
Job title： Principal Researcher
Other affiliations (1)：

University of Tsukuba Associate Professor

Homepage URL (2)： https://www.nims.go.jp/personal/ikumu/ , https://www.nims.go.jp/personal/ikumu/eindex.html

Research field (4)： Design engineering , Manufacturing and production engineering , Structural and functional materials , Machine materials and mechanics

Research keywords (7)： Computer-Aided Design , Computational Micromechanics , Integrated Computational Materials Engineering , Finite Element Method , Computer-Aided Engineering , Multiscale modeling , Nonlinear computational mechanics

Research theme for competitive and other funds (10)：

2021 - 2024 Characterization of mechanical properties based on interaction of plastic strain field in neighboring indentation test
2020 - 2023 Development of computational techniques for inverse problems and optimizations of sheet metal forming using machine learning
2020 - 2023 放射光・FEMを活用した第三世代超高張力鋼の損傷挙動の解明と逆問題解析への発展
2019 - 2021 topology optimization of link mechanisms for generating mechanical system
2017 - 2020 Improvement of sheet metal forming simulation using precise multiracial material tests and machine learning

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Papers (88)：

Wei Weng, Xiaoyang Zheng, Mizuki Tenjimbayashi, Ikumu Watanabe, Masanobu Naito. De-icing performance evolution with increasing hydrophobicity by regulating surface topography. Science and Technology of Advanced Materials. 2024. 25. 1
Jiaxin Zhou, Ikumu Watanabe, Weikang Song, Keita Kambayashi, Ta-Te Chen. Multi-objective topology optimization of porous microstructure in die-bonding layer of a semiconductor. Science and Technology of Advanced Materials: Methods. 2024. 4. 1
Xiaoyang Zheng, Ta-Te Chen, Xiaoyu Jiang, Masanobu Naito, Ikumu Watanabe. Deep-learning-based inverse design of three-dimensional architected cellular materials with the target porosity and stiffness using voxelized Voronoi lattices. Science and Technology of Advanced Materials. 2023
Xiaoyang Zheng, Ikumu Watanabe, Siqian Wang, Ta-Te Chen, Masanobu Naito. Minimal-Surface-Based Multiphase Metamaterials with Highly Variable Stiffness. Materials & Design. 2023. 112548-112548
Matsuno, T, Fujita, T, Matsuda, T, Shibayama, Y, Hojo, T, Watanabe, I. Unstable stress-triaxiality development and contrasting weakening in two types of high-strength transformation-induced plasticity (TRIP) steels: Insights from a new compact tensile testing method. Journal of Materials Processing Technology. 2023. 322. Article ID: 118174(16 pages)

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MISC (49)：

圓谷貴夫, 渡邊育夢, 澤口孝宏. Fe系γ-εマルテンサイト変態におけるLPSO型構造相の安定性と起源解明. 日本金属学会講演大会(Web). 2021. 168th
平宮涼, 船塚達也, 堂田邦明, 渡邊育夢, 白鳥智美. A6063合金のマイクロ後方押出し加工の成形性に及ぼすパンチ表面ナノテクスチャの影響. 塑性加工連合講演会講演論文集(CD-ROM). 2021. 72nd
平宮涼, 船塚達也, 堂田邦明, 渡邊育夢, 白鳥智美. A6063合金のマイクロ後方押出し加工の成形性に及ぼすパンチ表面性状の影響. 塑性加工春季講演会講演論文集(CD-ROM). 2021. 2021
圓谷貴夫, 圓谷貴夫, 渡邊育夢, 澤口孝宏, 籾田浩義, 小口多美夫. First-principles study on the origin of phase stability of Fe based alloys and Mg-Zn-Y based alloys with long-period stacking order. 軽金属学会大会講演概要. 2021. 140th
渡邊育夢. Micro-Macro Scale Coupling Finite Element Analysis Based on Mathematical Homogenization Method. トライボロジスト. 2020. 65. 11

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Patents (2)：

Books (3)：

非線形有限要素法 : 弾塑性解析の理論と実践
森北出版 2012 ISBN:9784627920217
いまさら聞けない計算力学の常識
丸善 2008 ISBN:9784621080221
キュリアス・マインド : ぼくらが科学者になったわけ
幻冬舎 2008 ISBN:9784344014596

Lectures and oral presentations (38)：

Nano-Indentation Measurement for Heat Resistant Alloys at Elevated Temperatures in Inert Atmosphere
(MATERIALS TRANSACTIONS 2019)
周期材料組織の粗視化ボクセル有限要素モデリング
(日本金属学会講演概要(CD-ROM) 2018)
Evaluation of Elastoplastic Properties from Indentation Test Using Inverse Analysis
(計算工学講演会論文集(CD-ROM) 2018)
押込み試験後の圧痕形状を用いた弾塑性特性の評価
(日本金属学会講演概要(CD-ROM) 2018)
Sensitivity analysis of indentation and inverse estimation of elastoplastic property
(The Proceedings of the Materials and Mechanics Conference 2018)

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Works (4)：

Back Cover: Light-Induced Topological Patterning toward 3D Shape-Reconfigurable Origami (Small 14/2022)
Wei-Hsun Hu, Ming Ji, Ta-Te Chen, Siqian Wang, Mizuki Tenjimbayashi, Yu Sekiguchi, Ikumu Watanabe, Chiaki Sato, Masanobu Naito 2022 - 現在
表紙:金属 Vol.87-1
Cover figure of Advanced Computational Materials Modeling
Ikumu Watanabe
Cover figure of Theoretical and Applied Mechanics Japan Vol.54
Ikumu Watanabe

Education (2)：

2001 - 2006 Tohoku University Graduate School of Engineering
1997 - 2001 Hiroshima University Faculty of Engineering

Work history (7)：

2016/05 - 現在 University of Tsukuba
2010/06 - 現在 National Institute for Materials Science
2021/07 - 2022/06 Cabinet Office
2013/09 - 2015/08 Northwestern University Visiting Scholar
2007/10 - 2010/05 Toyota Central R&D Labs., Inc.

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Committee career (9)：

2020 - 現在 MDPI journal of crystals Topic editor
2019 - 現在文部科学省科学技術予測センター専門調査員
2018 - 現在 Global Research Group on Light Metals Manufacturing Executive Member
2022 - 2023 17th International Conference on Computational Plasticity Scientific committee
2020 - 2022 7th International Conference on Advanced Steels Committee member

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Awards (12)：

2021 - 日本塑性加工学会論文賞深層学習を用いたアルミニウム合金板の集合組織に依存した応力ひずみ曲線とr値の推定
2018 - International Conference on Multiscale Materials Modeling Best poster award Prediction of biaxial tensile deformation behavior of aluminum alloy sheets using CPFEM and machine learning
2018 - International Indentation Workshop Gold poster award for young scientist Evaluation of temperature dependent mechanical behavior of metals using high temperature nanoindentation
2017 - National Institute for Materials Science NIMS WEEK 2017 poster award Molecular dynamics study on gamma precipitation strengthening mechanism in gamma' phase of Ni-based intermetallics
2015 - スマートプロセス学会論文賞結晶塑性FE解析による巨視的弾性応力下の繰返し軟化挙動

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Association Membership(s) (7)：

Minerals, Metals and Materials Society , 日本金属学会 , 日本鉄鋼協会 , 日本機械学会 , 日本計算工学会 , International Association of Computational Mechanics , 土木学会

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