Tsutsumi Seiichiro

ツツミセイイチロウ | Tsutsumi Seiichiro

Affiliation and department：

Research field (6)： Structural and functional materials , Design engineering , Machine materials and mechanics , Structural and seismic engineering , Building structures and materials , Marine and maritime engineering

Research keywords (12)： weld , 疲労 , 弾塑性 , 構成式 , 巨視的弾性 , 繰返し塑性 , ダメージ , 変形解析 , 破壊 , 粘塑性 , 材料軟化 , steel structures

Research theme for competitive and other funds (17)：

2023 - 2025 地震荷重下の高張力鋼溶接継手のデジタルツインベースの低サイクル疲労評価
2022 - 2025 Multi-scale analysis based on statistical mechanics for materials informatics
2021 - 2024 Development of assessment technology for welding process conditions maximizing fatigue performance of welded structures
2017 - 2020 Hybrid Fatigue Life Assessment considering Meso- and Macro-scale Cyclic Plasticity Analysis
2016 - 2019 Development of Fatigue Assessment Method for Welded Joints subject to Intermittently Hull Vibration Superimposed Wave Loadings

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Papers (200)：

Kasumi MORITA, Masashi MOURI, Seiichiro TSUTSUMI. Evaluation of Fatigue Crack Propagation Behavior in Low Carbon Steel and Their Simulated HAZ and Fatigue Life Assessment of Non-load Carrying Welded Fillet Joint. JOURNAL OF THE JAPAN WELDING SOCIETY. 2024. 93. 5. 298-298
Yuki KOTANI, Tadahisa TSUYAMA, Seiichiro TSUTSUMI. Improvement of Fatigue Strength of Out-of-plane Gusset Welded Joints by Controlled-additional Weld Bead Shape and Toe Grinding. JOURNAL OF THE JAPAN WELDING SOCIETY. 2024. 93. 5. 304-304
Huilin Miao, Takayuki Yamashita, Seiichiro Tsutsumi, Yoshiaki Morisada, Hidetoshi Fujii. Multiple analyses of factors influencing fatigue life of linear friction welded low carbon steel. Journal of Advanced Joining Processes. 2024. 9. 100201-100201
Takayuki Yonezawa, Pengjun Luo, Seiichiro Tsutsumi. Evaluation of fatigue crack initiation and propagation properties of structural steels with different cyclic softening behavior based on local strain. ISIJ International. 2024
Takayuki Yonezawa, Takashige Mori, Seiichiro Tsutsumi. Effects of Cyclic Softening on Fatigue Crack Propagation Properties of Steel. ISIJ International. 2024. 64. 3. 605-612

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MISC (39)：

Masahito Mochizuki, Masakazu Shibahara, Seiichiro Tsutsumi, Yoshiki Mikami, Kazuki Ikushima, Shigetaka Okano. Technical commission on welded structure. Yosetsu Gakkai Shi/Journal of the Japan Welding Society. 2020. 89. 5. 358-365
Mitsuru Ohata, Hiroto Shoji, Seiichiro Tsutsumi, Tomokazu Sano. Development of prediction technique of fracture performance of welded joint. Yosetsu Gakkai Shi/Journal of the Japan Welding Society. 2017. 86. 1. 52-55
堤成一郎, 北村拓也, FINCATO Riccardo, 荻野陽輔, 平田好則, 浅井知. 溶融池形成シミュレーションにより得られる溶接ビード形状を反映した疲労き裂発生寿命予測. 溶接学会全国大会講演概要(Web). 2016. 2016. 99. ROMBUNNO.429(J-STAGE)-373
T. EIMURA, T. SANO, A. HIROSE, S. TSUTSUMI, K. MASAKI, K. ARAKAWA, Y. SANO. IMPROVEMENT OF FATIGUE PROPERTIES OF 2024-T3 ALUMINUM ALLOY USING FEMTOSECOND LASER-PEENING. 9th Pacific Rim International Conference on Advanced Materials and Processing,. 2016. 2016. 72-73
Nishiumi Hiroyuki, Abe Shinya, Fujiyama Shoji, Murakawa Hidekazu, Tanaka Manabu, Tsutsumi Seiichiro. Prediction and reduction of welding deformation produced in long structure by welding. Preprints of the National Meeting of JWS. 2016. 2016. 350-351

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Patents (2)：

受圧構造体
破壊強度向上させる溶接方法

Books (47)：

ハンマーピーニングによる溶接継手の疲労性能向上技術開発 (特集大阪大学接合科学研究所第 18 回産学連携シンポジウム (オンライン開催))
2021
2. 溶接継手疲労寿命に及ぼす熱影響部の繰返し負荷下の材料挙動の影響
2021
1. 鋼材の繰返し弾塑性応答を考慮した溶接継手の疲労き裂発生および伝播寿命評価
2021
Technical Commission on Welded Structure
2020
溶接構造用鋼の延性破壊挙動に対する応力三軸度と Lode 角の影響 (特集幅広い材料の静的強度評価のためのシミュレーション)
2018

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Lectures and oral presentations (547)：

硝酸による亀裂面腐食を活用した疲労寿命延伸技術
(溶接構造シンポジウム2023 2023)
鋼材の疲労亀裂進展挙動に及ぼす亀裂面腐食量の定量評価
(溶接構造シンポジウム2023 2023)
高・低サイクル疲労挙動の繰返し弾塑性モデルと高精度シミュレーション技術の開発
(溶接構造シンポジウム2023 2023)
水素環境下の延性低下を考慮した鋼材の疲労亀裂進展速度予測手法の確立
(溶接構造シンポジウム2023 2023)
繰返し軟・硬化挙動を示す鉄鋼材料の疲労亀裂進展速度の予測手法開発
(溶接構造シンポジウム2023 2023)

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Professional career (2)：

Dr. Eng. (Kyushu University)
Dr. Agr. (Kyushu University)

Work history (4)：

2022/04 - 現在 Osaka University Graduate School of Engineering Division of Global Architecture
2011/10 - Osaka University Joining and Welding Research Institute Associate Professor
2004/04 - 2011/09 Kyushu University
2002/04 - 2004/03 Tohoku University Graduate School of Engineering Department of Civil and Environmental Engineering

Awards (7)：

2021/05 - (一社)日本高圧力技術協会科学技術振興賞
2020/01 - Advances in Engineering Citation in Advances in Engineering
2019/06 - 土木学会応用力学委員会応用力学論文賞
2016/06 - (一社)レーザ加工学会第85回レーザ加工学会講演会優秀ポスター賞
2015/07 - Osaka University Osaka University Presidential Awards for Encouragement

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