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Takaaki Takeuchi
武内 崇晃
Takaaki Takeuchi
武内 崇晃
Graduate School of Engineering　Division of Global Architecture, Assistant Professor

keyword Corrosion, Wear，Mooring chain，Offshore wind turbine

Research History 2

  1. 2021/02 - Present
    大阪大学大学院工学研究科 助教授

  2. 2020/04 - 2021/01
    日本学術振興会特別研究員

Education 3

  1. Kyushu University

    2018/04 - 2020/03

  2. Kyushu University

    2017/04 - 2018/03

  3. Kyushu University　School of Engineering

    2013/04 - 2017/03

Committee Memberships 5

  1. 国際溶接学会, 第13委員会WG5 委員　Academic society

    2024/07 - Present

  2. 日本船舶海洋工学会　材料・溶接研究会 委員　Academic society

    2023/10 - Present

  3. 日本船舶海洋工学会　海洋工学研究会 委員　Academic society

    2021/12 - Present

  4. 日本船舶海洋工学会　関西支部KSSG 委員　Academic society

    2021/09 - Present

  5. 超高精度船体構造デジタルツインの研究開発委員会(フェーズ2)　TG/WG-C委員　Other

    2021/04 - 2022/03

Professional Memberships 1

  1. 日本船舶海洋工学会

Research Areas 1

  1. Aerospace, marine, and maritime Engineering / Marine and maritime engineering /

Awards 4

  1. 日本船舶海洋工学会賞（開発賞）

    麻寧緒, 平川和雄, 村川英一, 大沢直樹, 武内崇晃, 岡田公一, 松崎拓也, 加納覚, 志賀千晃, 矢島浩　日本船舶海洋工学会　2024/05

  2. 若手優秀講演賞

    日本船舶海洋工学会　2021/06

  3. 日本船舶海洋工学会奨励賞（乾賞）

    日本船舶海洋工学会　2020/06

  4. 若手優秀講演賞

    日本船舶海洋工学会　2017/05

Papers 19

  1. Numerical study on the effect of cyclic softening on plasticity-induced crack closure

    Xipeng Chen, Takaaki Takeuchi, Teppei Ohkawa, Takayuki Yonezawa, Naoki Osawa

    Proceedings of the 35th (2025) International Ocean and Polar Engineering Conference　2025/06　Research paper (international conference proceedings)

  2. Development of a Wear Coupon Test Machine to Reproduce the Severe-Mild Wear Transition for Mooring Chains of Floating Offshore Wind Turbines

    Takaaki Takeuchi, Yuko Onishi, Eisuke Nozoe

    Proceedings of the ASME 2025 44rd International Conference on Ocean, Offshore and Arctic Engineering　2025/06　Research paper (international conference proceedings)

  3. 切断音解析に基づくプラズマ切断機のノズル劣化検出方法の開発

    山内友矢, 藤井謙佑, 四塚卓之, 武内崇晃, 大沢直樹

    日本船舶海洋工学会論文集　Vol. 41　2025/06　Research paper (scientific journal)

  4. Verification of the fatigue life extension and practicality of the LTT elongated bead welding method for boxing fillet joints.

    Takuya Matsuzaki, Ninshu Ma, Kazuo Hiraoka, Hidekazu Murakawa, Naoki Osawa, Takaaki Takeuchi, Koichi Okada, Chiaki Shiga, Hiroshi Yajima, Satoru Kano

    Journal of the Japan Society of Naval Architects and Ocean Engineers　Vol. 40　p. 133-143　2024/12　Research paper (scientific journal)

    Publisher: Japan Society of Naval Architects and Ocean Engineers

  5. Experimental Study on Wear Coefficient of Mooring Chain for Floating Offshore Structures -Second Report: Elucidation of Wear Characteristics and Proposal of Wear Coefficient through Statistical Analysis-

    Takaaki Takeuchi, Tomohiro Matsuda, Tomoaki Utsunomiya, Koji Gotoh

    Journal of the Japan Society of Naval Architects and Ocean Engineers　Vol. 40　p. 93-102　2024/12　Research paper (scientific journal)

    Publisher: Japan Society of Naval Architects and Ocean Engineers

  6. A Study on Plasma Cutting Machine’s Nozzle Degradation Detection Method Based on Cutting Noise Analysis

    Tomoya Yamauchi, Takaaki Takeuchi, Naoki Osawa, Takayuki Yotsuzuka

    Proceedings of the 77th IIW international Conference　2024/07

  7. Study on Fatigue Assessment Considering Mooring Chain Wear for Floating Offshore Wind Turbines

    Takaaki Takeuchi, Kazuki Kurokawa, Eisuke Nozoe

    Proceedings of the ASME 2024 43rd International Conference on Ocean, Offshore and Arctic Engineering　2024/06　Research paper (international conference proceedings)

  8. Study on Practical Fatigue Assessment Considering Hull Vibration Based on the EWP Concept

    Takaaki Takeuchi, Naoki Osawa, Natsumi Fukutake

    Proceedings of the ASME 2024 43rd International Conference on Ocean, Offshore and Arctic Engineering　2024/06　Research paper (international conference proceedings)

  9. A digital twin for ship structures—R&D project in Japan

    Masahiko Fujikubo, Tetsuo Okada, Hideaki Murayama, Hidetaka Houtani, Naoki Osawa, Kazuhiro Iijima, Kunihiro Hamada, Kimihiro Toh, Masayoshi Oka, Shinichi Hirakawa, Kenichi Shibata, Tetsuro Ashida, Toshiro Arima, Yoshiteru Tanaka, Akira Tatsumi, Takaaki Takeuchi, Taiga Mitsuyuki, Kohei Mikami, Makito Kobayashi, Yusuke Komoriyama, Chong Ma, Xi Chen, Hiroshi Ochi, Rei Miratsu

    Data Centric Engineering　Vol. 5　No. e7　2024/03　Research paper (scientific journal)

  10. Fatigue assessment of ship structures based on equivalent wave probability (EWP) concept (1st report): Proposal of EWP concept and its verification by 8600TEU container ship's onboard hull monitoring

    Takaaki Takeuchi, Naoki Osawa, Akira Tatsumi, Takumi Inoue, Shinichi Hirakawa, Noriaki Seki, Tomomi Yoshida, Rei Miratsu, Shingo Ikeda

    Marine Structures　Vol. 91　No. 103476　p. 103476-103476　2023/09　Research paper (scientific journal)

    Publisher: Elsevier BV

  11. STUDY ON THE EFFECT OF PROOF LOAD TEST ON MOORING CHAIN WEAR FOR FLOATING STRUCTURES

    Takaaki Takeuchi, Kazuki Kurokawa, Masato Hironaka

    Proceedings of the ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering　2023/06　Research paper (international conference proceedings)

  12. Bayesian Inference for the Parameters of Probabilistic Corrosion Model Adopted by IACS

    T. Takeuchi, N. Osawa, N. Yamamoto

    Advances in the Analysis and Design of Marine Structures　2023/04　Research paper (international conference proceedings)

  13. Experimental Study on Wear Coefficient of Mooring Chain for Floating Offshore Structures

    Takaaki Murakami, Takaaki Takeuchi, Tomoaki Utsunomiya, Koji Gotoh

    Journal of the Japan Society of Naval Architects and Ocean Engineers　Vol. 34　p. 63-71　2021/12　Research paper (scientific journal)

    Publisher: Japan Society of Naval Architects and Ocean Engineers

  14. Development of simplified wear estimation method considering rolling motion between mooring chain links for floating structures

    Takaaki Takeuchi, Tomoaki Utsunomiya, Koji Gotoh, Iku Sato

    Proceedings of the ASME 2021 40th International Conference on Ocean, Offshore and Arctic Engineering　2021/07　Research paper (international conference proceedings)

  15. Development of interlink wear estimation method for mooring chain of floating structures: Validation and new approach using three-dimensional contact response

    Takaaki Takeuchi, Tomoaki Utsunomiya, Koji Gotoh, Iku Sato

    Marine Structures　Vol. 77　2021/05　Research paper (scientific journal)

  16. Quantitative Wear Estimation for Floating Structures by Using 3-D Geometry of Mooring Chain

    Takaaki Takeuchi, Tomoaki Utsunomiya, Koji Gotoh, Iku Sato

    Proceedings of the 39th International Conference on Ocean, Offshore and Arctic Engineering　2020/08/03　Research paper (international conference proceedings)

    Publisher: American Society of Mechanical Engineers

  17. Quantitative Wear Estimation for Mooring Chain of Floating Structures and Its Validation

    Vol. 30　2019/12　Research paper (scientific journal)

  18. Quantitative Wear Estimation for Mooring Chain of Floating Structures and its Validation

    Takaaki Takeuchi, Tomoaki Utsunomiya, Koji Gotoh, Iku Sato

    Proceedings of the 38th International Conference on Ocean, Offshore and Arctic Engineering　2019/06/09　Research paper (international conference proceedings)

    Publisher: American Society of Mechanical Engineers

  19. Proposal of Wear Estimation Method for Mooring Chain of Floating Structures

    Vol. 29　2019/06　Research paper (scientific journal)

Misc. 33

  1. Fatigue strength assessment of heavy-thick T-joints improved by pneumatic impact treatment

    Xipeng Chen, Naoki Osawa, Sherif Rashed, Takaaki Takeuchi, Donghui Ma, Jun Okada, Masahito Honnami

    78 th IIW Annual Assembly　2025/06

  2. Numerical study of the heavy-thick T-joint improved by Portable Pneumatic Needle-Peening treatment

    Xipeng Chen, Naoki Osawa, Sherif Rashed, Takaaki Takeuchi, Donghui Ma, Jun Okada, Masahito Honnami

    日本船舶海洋工学会講演会論文集　No. 40　2025/05

  3. 海洋浮体構造物係留鎖の荷重および周波数に関する摩耗特性の数値的検討

    大西 裕子, 武内 崇晃

    日本船舶海洋工学会講演会論文集　No. 40　2025/05

  4. 円形ホリデー付塗装鋼板に生じる局部腐食のセルオートマトンシミュレーション

    清水 天万音, 林原 仁志, 武内 崇晃, 山本 規雄, 高田 篤志, 大沢 直樹

    日本船舶海洋工学会講演会論文集　No. 40　2025/05

  5. 等価波浪頻度分布に基づく鉱石運搬船の疲労強度評価に関する検討

    山口 藍葉, 武内 崇晃, 大沢 直樹, 平川 真一, 河尻 義貴, 吉田 智美

    日本船舶海洋工学会講演会論文集　No. 40　2025/05

  6. 数値影響関数法に基づくHFMI処理溶接継⼿中表⾯き裂の破壊⼒学解析

    田村剛史, 山本陽太, Phyo Myat Kyaw, 武内崇晃, 大沢直樹

    日本船舶海洋工学会講演会論文集　2024/11

  7. 海洋浮体構造物係留鎖の荷重および周波数に関する摩耗特性の実験的検討

    野添 英佑, 武内 崇晃

    日本船舶海洋工学会講演会論文集　Vol. 38　2024/05

  8. 切断音解析によるNCプラズマ切断機状態識別技術に関する基礎的検討

    藤井 謙佑, 山内 友矢, 武内 崇晃, 大沢 直樹

    日本船舶海洋工学会講演会論文集　Vol. 38　2024/05

  9. 疲労き裂伝播解析による極厚鋼鈑溶接継手部の想定亀裂設定法に関する研究（その2） -実船計測データに基づく弾性振動重畳応力時刻歴による疲労き裂伝播解析-

    岡 暖人, 武内 崇晃, 大沢 直樹, 見良津 黎, 中山 伸, 福武 夏未

    日本船舶海洋工学会講演会論文集　Vol. 38　2024/05

  10. A Second Report of Study on Plasma Cutting Machine’s Nozzle Degradation Detection Method Based on Cutting Noise Analysis

    Tomoya Ymauchi, Takaaki Takeuchi, Naoki Osawa

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　Vol. 37　2023/11

  11. Fatigue Life Extension of Box Welded Joints by Repaired or Reinforced LTT Elongated Bead

    Takuya Matsuzaki, Ninshu Ma, Kazuo Hiraoka, Hidekazu Murakawa, Naoki Osawa, Takaaki Takeuchi, Koichi Okada, Chiaki Shiga, Hiroshi Yajima

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　Vol. 37　2023/11

  12. Fatigue Assessment of Ship Structures Based on the EWP Concept Considering Hull Vibration

    Natsumi Fukutake, Takaaki Takeuchi, Takumi Inoue, Naoki Osawa

    Proceedings of the 36th Asian-Pacific Technical Exchange and Advisory Meeting on Maine Structures　2023/10

  13. Fatigue Life Extension of Welded Joints Repaired by Elongated 16Cr8Ni LTT Bead

    OSAWA Naoki, HIRAOKA Kazuo, Ninshu MA, Murakawa Hidekazu, TAKEUCHI Takaaki, OKADA Koichi, MATSUZAKI Takuya, SHIGA Chiaki, YAJIMA Hiroshi

    Preprints of the National Meeting of JWS　Vol. 2023s　p. 172-173　2023/07

    Publisher: JAPAN WELDING SOCIETY

  14. A Study on Estimation Method for the Size of Embedded Fatigue Crack in Heavy-Thick Welded Joints Based on Fatigue Crack Growth Analysis - Generation Method for Hull Vibration Superimposed Stress History Based on Hull Monitoring -

    Takaaki Takeuchi, Rei Miratsu, Naoki Osawa, Tsutomu Fukui

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　Vol. 36　p. 553-560　2023/06

  15. Study on Long-Term Wear of Mooring Chains for Floating Structures

    Masato Hironaka, Takaaki Takeuchi

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　Vol. 36　p. 547-552　2023/06

  16. Study on Bayesian Inference for the Determination of Cell-Automaton Under-Film Corrosion Simulation Parameters

    Yu Fujiwara, Takaaki Takeuchi, Naoki Osawa, Atsushi Takada

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　Vol. 36　p. 533-537　2023/06

  17. A Study on Plasma Cutting Machine’s Nozzle Degradation Detection Method Based on Cutting Noise Analysis

    Tomoya Ymauchi, Yutaka Suzuki, Takayuki Yotsuzuka, Takaaki Takeuchi, Naoki Osawa

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　Vol. 36　p. 203-210　2023/06

  18. Development of Fatigue Assessment Method Based on Equivalent Wave Probability (EWP) Concept

    Takumi Inoue, Takaaki Takeuchi, Naoki Osawa

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　No. 35　p. 745-751　2022/11

  19. Study on Wear Estimation for Mooring Chain Using NREL 5-MW Floating Wind Turbine Model

    Kazuki Kurokawa, Takaaki Takeuchi

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　Vol. 34　p. 473-479　2022/05

  20. Experimental and Analytical Study on Wear Coefficient of Mooring Chain by Using 3-D Measurement

    Takaaki Murakami, Takaaki Takeuchi, Tomoaki Utsunomiya, Koji Gotoh

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　Vol. 34　p. 251-257　2022/05

  21. Study on Bayesian Inference of Corrosion Model for Ship Structures  MCMC Modeling for the Determination of IACS Corrosion Model Parameters

    Kento Morigaki, Naoki Osawa, Takaaki Takeuchi

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　Vol. 34　p. 237-240　2022/05

  22. Study on Fatigue Assessment Based on Equivalent Wave Scatter with Data-assimilated Modeling Error by Onboard Measurement

    Takaaki Takeuchi, Takumi Inoue, Naoki Osawa

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　Vol. 34　p. 229-235　2022/05

  23. Short- and Long-Term Prediction of Structural Integrity of 8,600TEU Container Ship

    Naoki Osawa, Akira Tatsumi, Takaaki Takeuchi

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　Vol. 34　p. 163-167　2022/05

  24. Fatigue life extension of boxing fillet joints with new LTT elongated weld bead available to all welding positions

    Ninshu MA, Kazuo HIRAOKA, Hidekazu MURAKAWA, Naoki OSAWA, Takaaki TAKEUCHI, Zhongyuan FENG, Thein Lin AUNG, Kohichi OKADA, Takuya MATSUZAKI, Satoru KANO, Chiaki SHIGA, Hiroshi YAJIMA

    IIW2022　2022　Research paper, summary (international conference)

  25. Study on Fatigue Assessment of Non-measurement Point Based on Equivalent Wave Scatter Data by Onboard Measurement

    Takumi Inoue, Takaaki Takeuchi, Naoki Osawa

    Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers　Vol. 33　p. 293-298　2021/11

  26. Stress Analysis of Floating Offshore Wind Turbine Using Flexible Multibody Modelling

    No. 32　p. 657-660　2021/05

  27. Proposal of Simplified Wear Estimation Method for Mooring Chain of Floating Structures by Considering Roll-Up Motion

    No. 32　p. 393-401　2021/05

  28. Quantitative Wear Estimation for Floating Structures by Using 3-D Geometry of Mooring Chain

    No. 30　2020/05

  29. Experimental Study on Wear Coefficient of Mooring Chain in Wet Condition

    No. 30　2020

  30. 浮体構造物係留鎖における定量的摩耗量推定の実施と検証

    武内崇晃, 宇都宮智昭, 後藤浩二, 佐藤郁

    日本船舶海洋工学会講演会論文集　No. 28　2019

  31. 浮体施設係留チェーンの動的挙動及び摩耗量推定手法に関する検討

    武内崇晃, 宇都宮智昭, 後藤浩二

    日本船舶海洋工学会講演会論文集　No. 26　2018

  32. Study on Wear Estimation Method for Mooring Chain of Floating Wind Turbines

    Vol. 27　2018

  33. 浮体施設の係留チェーン摩耗量推定手法に関する検討

    武内崇晃, 藤公博, 宇都宮智昭, 後藤浩二

    日本船舶海洋工学会講演会論文集　No. 24　2017

Publications 2

  1. 海洋構造物 船舶海洋工学シリーズ12

    飯島, 一博, 井上, 俊司, 岡田, 真三, 尾崎, 雅彦, 神田, 雅光, 鈴木, 英之, 高木, 健, 前田, 克弥, 正信, 聡太郎, 松浦, 正己, 和田, 良太, 平林, 紳一郎, 武内, 崇晃, 日本船舶海洋工学会能力開発センター教科書編纂委員会

    成山堂書店　2024/01

    ISBN: 9784425715428

  2. Non-Destructive Testing and Condition Monitoring Techniques in Wind Energy - 1st edition

    Academic Press　2023/06

    ISBN: 9780323996662

Academic Activities 1

  1. 日本船舶海洋工学会関西支部会務委員会

    2025/04 - Present