Okada Tetsuo 岡田哲男

Researcher Number	10753048
Other IDs
Affiliation (Current)	2025: 横浜国立大学, 大学院工学研究院, 教授
Affiliation (based on the past Project Information) *help	2016 – 2025: 横浜国立大学, 大学院工学研究院, 教授
Review Section/Research Field	Principal Investigator Basic Section 24020:Marine engineering-related Except Principal Investigator Basic Section 24020:Marine engineering-related / Naval and maritime engineering
Keywords	Principal Investigator ホイッピング / コンテナ船 / 波浪スペクトル / 操船支援 / モニタリング / 全船有限要素解析 / 二重底 / 縦曲げ応力 / 実船計測 / 船体運動 / ランキンソース法 / 最終強度 / 波浪荷重 … More Except Principal Investigator … More ホイッピング / 疲労 / モニタリング / 弾塑性解析 / き裂進展 / 船体構造 / 機械学習（生成モデル） / トポロジー最適化 / 構造設計 / 疲労強度 / 統計モデル / 疲労き裂進展解析 / 疲労試験 / 強度評価 / オートエンコーダ / 不確定性評価 / 畳み込みニューラルネットワーク（CNN） / 海象推定 / デジタルツイン / 構造安全性 / 動的荷重 / 非線形FEM解析 / 動的縦曲げ最終強度 / 動的影響 / 防撓板 / 船体強度 / FEM解析 / ひずみ速度影響 / 動的最終強度 / ２軸圧縮荷重 / コンテナ船 / 最終強度 Less

トポロジー最適化及び機械学習（生成モデル）を用いた新しい船体構造創出手法の研究
- Principal Investigator
  
  川村恭己
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 24020:Marine engineering-related
- Research Institution
  Yokohama National University
Construction of Fatigue Crack Propagation Simulation System under Variable Amplitude Loading using Elasto Plastic FEM
- Principal Investigator
  
  早川銀河
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 24020:Marine engineering-related
- Research Institution
  Yokohama National University
Development of Statistical Model of Whipping Load and its Effect to Fatigue Crack Propagation
- Principal Investigator
  
  川村恭己
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 24020:Marine engineering-related
- Research Institution
  Yokohama National University
A study on navigation decision support to prevent structural failure of ships based on hull stress monitoringPrincipal Investigator
- Principal Investigator
  
  Okada Tetsuo
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 24020:Marine engineering-related
- Research Institution
  Yokohama National University
An elemental study on the development of digital twin technologies for structural safety assessment
- Principal Investigator
  
  Kawamura Yasumi
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 24020:Marine engineering-related
- Research Institution
  Yokohama National University
A study on the global elastic responses of a large container ship in irregular seasPrincipal Investigator
- Principal Investigator
  
  Okada Tetsuo
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 24020:Marine engineering-related
- Research Institution
  Yokohama National University
A study on the strength of ship structures under the effect of complicated loading such as bi-axial load or whipping load
- Principal Investigator
  
  Kawamura Yasumi
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Naval and maritime engineering
- Research Institution
  Yokohama National University

All 2023 2022 2021 2020 2019 2018 2017 2016

All Journal Article Presentation

[Journal Article] 弾塑性FEMを用いた疲労き裂進展時のき裂先端の塑性挙動の解析－ひずみ計測に基づくRPG荷重の推定法の妥当性の検証－2023
- Author(s)
  早川銀河, 川村恭己, 岡田哲男, 清沢知秀,
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 36 Pages: 539-546
- Data Source
  KAKENHI-PROJECT-23K22966
[Journal Article] 変動荷重下におけるき裂先端近傍のひずみ計測に基づくき裂先端塑性域形成挙動の推定2022
- Author(s)
  早川銀河, 川村恭己, 岡田哲男, Dumbarangage Eashan Gayantha Nandasiri,
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 34 Pages: 241-250
- Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K22966
[Journal Article] 変動荷重下におけるき裂先端近傍のひずみ計測に基づくき裂先端塑性域形成挙動の推定2022
- Author(s)
  早川銀河, 川村恭己, 岡田哲男, Dumbarangage Eashan Gayantha Nandasiri
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 34
- Data Source
  KAKENHI-PROJECT-19H02356
[Journal Article] 大型コンテナ船の実船計測に基づくホイッピング抽出法の提案2022
- Author(s)
  古舘恵太，岡田哲男，川村恭己，早川銀河
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 34 Pages: 399-406
- Data Source
  KAKENHI-PROJECT-21H01544
[Journal Article] Sea state estimation using monitoring data by convolutional neural network (CNN)2021
- Author(s)
  Toshiki Kawai, Yasumi Kawamura, Tetsuo Okada, Taiga Mitsuyuki, Xi Chen,
- Journal Title
  
  Journal of Marine Science and Technology
  
  Volume: - Issue: 3 Pages: 947-962
- DOI
  10.1007/s00773-020-00785-8
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02356
[Journal Article] Dimensionality Reduction of Wave Spectra by an Autoencoder for Development of a NN-based Sea State Estimation Method2021
- Author(s)
  Hiroki Katao, Yasumi Kawamura, Tetsuo Okada, Taiga Mitsuyuki, Ginga Hayakawa,
- Journal Title
  
  Proceedings of TEAM2020/2021, The 34th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures, Dec.6 - 8, 2021, Istanbul, Turkey
  
  Volume: - Pages: 90-99
- Data Source
  KAKENHI-PROJECT-19H02356
[Journal Article] 有限要素法を用いた防撓板の最終強度の不確定性評価について2020
- Author(s)
  高崎隼, 川村恭己, Wang Gaoyang, 岡田哲男, 早川銀河
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 30
- NAID
  40022395675
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02356
[Journal Article] 実船計測に基づくホイッピング現象の統計的なモデル化とその疲労き裂進展への影響に関する研究2020
- Author(s)
  早川銀河, 川村恭己, 岡田哲男, 髙橋諒
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 31 Pages: 185-190
- NAID
  40022808809
- Data Source
  KAKENHI-PROJECT-19H02356
[Journal Article] 大型コンテナ船の実船計測データに基づく縦曲げ及び捩り振動の減衰比について2020
- Author(s)
  花田崚, 岡田哲男, 川村恭己, 早川銀河, 宮下哲治
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 31 Pages: 191-197
- NAID
  40022808884
- Data Source
  KAKENHI-PROJECT-18H01637
[Journal Article] A study on sea state estimation using monitoring data of large container ships -estimation of directional wave spectrum by machine learning-2019
- Author(s)
  Toshiki Kawai, Nao Ou, Yasumi Kawamura, Tetsuo Okada, Taiga Mitsuyuki, Xi Chen
- Journal Title
  
  Proceedings of the 33rd Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures (TEAM 2019), Oct. 14 - 17, 2019, Tainan, Taiwan
  
  Volume: -
- NAID
  40022064620
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02356
[Journal Article] Statistical analysis of vertical and torsional whipping response based on full scale measurement of a large container ship2019
- Author(s)
  Ryo Hanada, Tetsuo Okada, Yasumi Kawamura, Tetsuji Miyashita
- Journal Title
  
  33rd Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures (TEAM2019), Tainan, Taiwan(TEAM2019)
  
  Volume: 2019
- Data Source
  KAKENHI-PROJECT-18H01637
[Journal Article] A study on hull girder ultimate strength of a container ship under dynamic loading considering the effect of strain-rate dependency on material properties2018
- Author(s)
  Fumiko Tanaka, Sho Kotajima, Yasumi Kawamura, Tetsuo Okada
- Journal Title
  
  Proceedings of the 31th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures (TEAM 2018), Oct.15 - 18, 2018, Wuhan, China
  
  Volume: 1 Pages: 67-73
- Data Source
  KAKENHI-PROJECT-16H04598
[Journal Article] 動的荷重下におけるコンテナ船構造の縦曲げ最終強度及び崩壊挙動の数値シミュレーション（第3報）2018
- Author(s)
  田中芙美子、川村恭己、古田島将、岡田哲男
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 27 Pages: 281-286
- NAID
  40021746626
- Open Access
- Data Source
  KAKENHI-PROJECT-16H04598
[Journal Article] 動的荷重下におけるコンテナ船構造の縦曲げ最終強度および崩壊挙動のシミュレーション（第2報）2017
- Author(s)
  古田島将, 川村恭己, 岡田哲男
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 25 Pages: 365-370
- Data Source
  KAKENHI-PROJECT-16H04598
[Journal Article] A Study on the Method to Estimate Ship Hull Girder Ultimate Strength Considering Biaxial Compression in Bottom Stiffened Plates2017
- Author(s)
  Yoshiaki Naruse, Yasumi Kawamura, Tetsuo Okada
- Journal Title
  
  Proceedings of the ASME 2017 36th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2017)
  
  Volume: OMAE2017-61430
- DOI
  10.1115/omae2017-61430
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H04598
[Journal Article] 動的荷重下におけるコンテナ船構造の縦曲げ最終強度及び崩壊の数値シミュレーション2016
- Author(s)
  古田島将、川村恭己、王德禹、岡田哲男
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 22号 Pages: 547-551
- Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04598
[Journal Article] A Study on Ultimate Strength of container-ship hull girder under dynamic loading2016
- Author(s)
  Sho Kotajima, Yasumi Kawamura, Deyu Wang, Tetsuo Okada
- Journal Title
  
  Proceedings of the 30th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures (TEAM 2016)
  
  Volume: 1 Pages: 338-345
- Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H04598
[Journal Article] 2軸圧縮を考慮した船体縦曲げ最終強度算定手法に関する研究2016
- Author(s)
  成瀬慶晃, 川村恭己, 岡田哲男
- Journal Title
  
  日本船舶海洋工学会論文集
  
  Volume: 23 Issue: 0 Pages: 239-249
- DOI
  10.2534/jjasnaoe.23.239
- NAID
  130006897742
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-16H04598
[Presentation] Bayesian updating of estimated parameters representing multi-modal directional wave spectrum using measured ship hull stresses2023
- Author(s)
  岡田哲男
- Organizer
  42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE 2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H01544

1. Kawamura Yasumi (50262407)

# of Collaborated Projects: 7 results

# of Collaborated Products: 0 results
2. 早川銀河 (80939158)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
3. 満行泰河 (40741335)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
4. 鈴木克幸 (10235939)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 小川竣 (80979930)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 川村恭巳

# of Collaborated Projects: 0 results

# of Collaborated Products: 18 results

Okada Tetsuo 岡田 哲男

Research Projects

Research Products

Co-Researchers

トポロジー最適化及び機械学習（生成モデル）を用いた新しい船体構造創出手法の研究

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Construction of Fatigue Crack Propagation Simulation System under Variable Amplitude Loading using Elasto Plastic FEM

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of Statistical Model of Whipping Load and its Effect to Fatigue Crack Propagation

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

A study on navigation decision support to prevent structural failure of ships based on hull stress monitoringPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

An elemental study on the development of digital twin technologies for structural safety assessment

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

A study on the global elastic responses of a large container ship in irregular seasPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

A study on the strength of ship structures under the effect of complicated loading such as bi-axial load or whipping load

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] 弾塑性FEMを用いた疲労き裂進展時のき裂先端の塑性挙動の解析 －ひずみ計測に基づくRPG荷重の推定法の妥当性の検証－2023

Author(s)

Journal Title

Data Source

[Journal Article] 変動荷重下におけるき裂先端近傍のひずみ計測に基づくき裂先端塑性域形成挙動の推定2022

Author(s)

Journal Title

Data Source

[Journal Article] 変動荷重下におけるき裂先端近傍のひずみ計測に基づくき裂先端塑性域形成挙動の推定2022

Author(s)

Journal Title

Data Source

[Journal Article] 大型コンテナ船の実船計測に基づくホイッピング抽出法の提案2022

Author(s)

Journal Title

Data Source

[Journal Article] Sea state estimation using monitoring data by convolutional neural network (CNN)2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dimensionality Reduction of Wave Spectra by an Autoencoder for Development of a NN-based Sea State Estimation Method2021

Author(s)

Journal Title

Data Source

[Journal Article] 有限要素法を用いた防撓板の最終強度の不確定性評価について2020

Author(s)

Journal Title

NAID

Data Source

[Journal Article] 実船計測に基づくホイッピング現象の統計的なモデル化とその疲労き裂進展への影響に関する研究2020

Author(s)

Journal Title

NAID

Okada Tetsuo 岡田哲男

[Journal Article] 弾塑性FEMを用いた疲労き裂進展時のき裂先端の塑性挙動の解析－ひずみ計測に基づくRPG荷重の推定法の妥当性の検証－2023