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OSAWA NAOKI  大沢 直樹

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OSAWA Naoki  大沢 直樹

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Researcher Number 90252585
Other IDs
External Links
Affiliation (Current) 2025: 大阪大学, 大学院工学研究科, 教授
Affiliation (based on the past Project Information) *help 2024: 大阪大学, 大学院工学研究科, 教授
2021 – 2022: 大阪大学, 大学院工学研究科, 教授
2016 – 2021: 大阪大学, 工学研究科, 教授
2013 – 2015: 大阪大学, 工学(系)研究科(研究院), 教授
2010 – 2011: 大阪大学, 大学院・工学研究科, 教授 … More
2009: Osaka University, 工学研究科, 教授
2007 – 2008: 大阪大学, 大学院・工学研究科, 教授
2006: Osaka University, Graduate School of Eng., Professor, 大学院工学研究科, 教授
2005 – 2006: 大阪大学, 工学研究科, 教授
2005: 大阪大学, 大学院・工学研究科, 教授
2004: 大阪大学, 大学院・工学研究科, 助教授
2002 – 2004: 大阪大学, 工学研究科, 助教授
1997 – 2002: Osaka Univ., Graduate School of Eng., Assistant Professor, 大学院・工学研究科, 助教授
1996 – 1998: Osaka Univ., Faculty of Eng., Assistant Professor, 工学部, 助教授
1993 – 1996: Osaka University Faculty of Eng., Research Assistant, 工学部, 助手 Less
Review Section/Research Field
Principal Investigator
Naval and maritime engineering / 船舶工学 / Basic Section 24020:Marine engineering-related / Medium-sized Section 24:Aerospace engineering, marine and maritime engineering, and related fields
Except Principal Investigator
船舶工学 / 海洋工学 / Naval and maritime engineering / Basic Section 24020:Marine engineering-related / Material processing/treatments / 船舶構造・建造
Keywords
Principal Investigator
疲労 / 有限要素法 / 溶接継手 / 非破壊検査 / セルオートマトン / 鉄2価イオン / バラストタンク / 塗膜下腐食 / 熱伝達 / 疲労強度 … More / 結晶塑性 / 繰返し塑性 / 高張力鋼 / 残留応力 / 海洋波ランダム荷重 / 溶接 / HFMI / シミュレーション / 腐食 / マルコフ連鎖モンテカルロ法 / 空間共分散構造 / 船舶海洋構造物 / 鉄二価イオン感応性蛍光物質 / 腐食モデル / 画像処理 / EISモニタリング / スペクトロイメージング / ベイズ統計 / 塗膜下腐食シミュレーション / 鉄二価感応性蛍光試薬 / 実船モニタリング / 海水タンク / Bayes推論 / 空間共分散 / EIS法 / 鉄二価イオン / アノード / ベイズ推論 / 腐食環境モニタリング / 腐食センサ / 動電型起振装置 / 非線形船体応答解析 / 弾性振動影響 / 嵐モデル / 曲げ振動型疲労試験機 / 荒天避航 / 間欠重畳 / スプリンギング / 非線形流力弾性解析 / ホイッピング / コンテナ船 / レインフロー法 / 動電型疲労試験装置 / 流力弾性解析 / 船体弾性振動 / numerical simulation / weld joint / NDT / crack damage / magnetic property / 隅肉溶接継手 / き裂検出 / 数値シミュレーション / き裂損傷 / 磁気特性 / ship structural material / fatigue crack / dual phase steel / crystal plasticity / cyclic plasticity / finite element method / fatigue / ボロノイ分割 / 計算力学 / き裂 / 船体構造用材料 / 疲労き裂 / 二相鋼 / Impinging jet / L.I.F. measurement / Finite different method / Heat transfer / Manufacturing practice / Line-heating / 有限体積法 / LIF法 / 造船工作法 / 衝突噴流 / L.I.F.法 / 有限差分法 / 船体工作法 / 線状加熱 / Fe3+イオン / アミン / 蛍光 / Fe2+イオン / 非破壊モニタリング / エッジ腐食 / スクライブ試験板 / 蛍光プローブ / エポキシ塗料 / 遺伝的アルゴリズム / ガス切断 / 熱伝導 / 非線形最適化 / 熱伝導逆解析 / ピアシング / 準定常熱伝導場 / 切断性能 / 水素ガス / 予熱 / 酸素ガス切断 / 荷重履歴効果 / べき乗硬化則 / ORNL硬化則 / 塑性変形 / 繰返し負荷 / 応力歪特性 … More
Except Principal Investigator
疲労強度 / 船体構造 / 有限要素法 / 荷重モデル / き裂開閉口挙動 / き裂損傷 / 疲労強度線図 / 波浪荷重 / 残留応力 / 熱弾塑性解析 / 線状加熱 / Finite Element Method / 界面要素 / 安全性評価 / Crack Propagation / き裂伝播 / FEM解析 / fatigue / 繰返し荷重 / 応力-ひずみ応答 / 変動荷重 / 有限要素法解析 / 座屈・最終強度 / 簡易解析法 / 船舶工学 / 船舶 / ブラスト / 塗膜耐久性 / 塗装 / 腐食進行シミュレーション / 可溶性塩類 / 戻り錆 / 塗膜下腐食 / シミュレーション / 大規模解析 / 計算工学 / 溶接工学 / 理想化陽解法FEM / 任意形状 / 変形 / 自動化 / 固有ひずみ法 / 人工知能 / モンテカルロ法 / Parallelization / Nonlinearity / Thermal Elastic Plastic Analysis / Welding Distortion / 逆解析 / 溶接順序 / 固有変形 / 並列化 / 非線形性 / 溶接変形 / Turbulence model / Combustion model / LIF / CFD / Heat transfer / Line heating / レーザ誘起蛍光法 / 火炎内温度分布 / 乱流燃焼モデル / 衝突噴流火炎 / 熱流動解析 / 乱流モデル / 燃焼モデル / LIF法 / 数値流体力学 / 熱伝達 / visualization system / real-time computation / distributed computation / large-scale computation / ship / 視覚化システム / 実時間計算 / 分散処理 / 大規模計算 / welded joint / surface crack / multiple crack / crack propagation analysis / crack opening-and-closing action / fatigue-strength diagram / 嵐モデル / 腐食疲労 / 初期き裂 / 疲労強度予測 / 溶接継手 / 表面き裂 / 複数き裂 / き裂伝播解析 / Crack Propagation Speed / Dynamic Crack Propagation / Ductile Crack / Delamination / Interface Element / Energy Release Rate / 強度評価 / 延性破壊 / シャルピー衝撃試験 / き裂伝播速度 / 動的き裂伝播 / 界面ポテンシャル / 非線形数値破壊力学 / き裂の進展速度 / 動的き裂進展 / 延性き裂 / 剥離 / き裂進展 / エネルギー解放率 / loading model / crack growth / fatigue strength / ocean going / ship structural member / fatigue design / Corrosion Pit / Fatigue Strength Simulati / Corrrrosion Environment / 腐食環境下 / 腐食ピット / 疲労強度シミュレーション / 腐食環境 / Load carrying type / Non-load carrying type / Boxing fillet weldment / Fatigue Strength / Welding procedure / 溶接形式 / 荷重非伝達 / 荷重伝達 / 詳細構造 / 溶接方法 / 角まわし溶接 / Fatigue strength diagram / Sectioning method / FEM analysis / Shake-down residual stress / Boxing fillet welded joint / 残留応力緩和 / 応力-歪関係 / 溶接残留応力 / 切断法 / 残留応力の緩和 / 角まわし溶接継手 / A NEW DESIGN OF MIDSHIP-SECTION / A NEW DESIGN CONCEPT / FEM-ANALYSIS / EASY CONSTRUCTION / SHIP HULL / SLOT CONSTRUCTIONS / 構造設計 / FEM / 座屈、最終強度 / スロット部 / FEM解折 / 中央横断面の試設計 / 設計法の提言 / 工作の容易さ / スロット構造 / real service condition / fatigue limit / wave condition / time history / design chart / 疲労寿命 / 構成方程式 / 疲労き裂 / 波浪変動荷重 / 波高時刻歴モデル / き裂開口応力 / 遭遇海象 / 疲労限 / 実働荷重 / 疲労眼 / 波高時刻歴 / 変動荷重モデル / 実海象状況 / 疲労設計 / strain-hardening / heat-treatment / steel / random loading condition / stress-strain relation / ランダム荷重 / 溶接熱サイクル材 / ヒステリシス・エネルギ / 応力-歪線図 / 加工硬化 / 疲労試験 / 応力 ひずみ応答 / 指数分布 / 熱処理影響 / 鋼材 / 疲労被害 / 船体建造 / 船舶設計 / 特異点分布法 / 純捩り崩壊試験 / Smithの方法による逐次崩壊解析 / 縮小模型崩壊試験体 / 捩り崩壊挙動 / 船体桁の縦曲げ / 非線形船体運動応答解析 / 逐次崩壊試験 / 崩壊確率と信頼性指標 / 構造信頼席解析 / 船体桁の曲げ捩り崩壊 / Smithの方法 / 船体の縱曲げ最終強度 / 極限波浪荷重 / 理想化構造要素法 / 複合荷重 / 構造工学 / 信頼性解析 / 最終強度 / 座屈強度 / 構造解析 / 孔食 / 腐食 / カーゴ・オイルタンク / VLCC / 実態調査 Less
  • Research Projects

    (27 results)
  • Research Products

    (43 results)
  • Co-Researchers

    (48 People)
  •  Development of Stability Assessment Method for HFMI Fatigue Improvement Effect under Ocean Wave Random LoadingPrincipal Investigator

    • Principal Investigator
      大沢 直樹
    • Project Period (FY)
      2024 – 2026
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Review Section
      Basic Section 24020:Marine engineering-related
    • Research Institution
      Osaka University
  •  Study on the effect of recurrence rust generated from water blast on the coating film performance.

    • Principal Investigator
      TAKADA ATSUSHI
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 24020:Marine engineering-related
    • Research Institution
      National Institute of Maritime, Port and Aviation Technology
  •  Advancement of Evaluation Technology for Structural Integrity of Corroded Seawater Tanks of Ships and Offshore StructuresPrincipal Investigator

    • Principal Investigator
      Osawa Naoki
    • Project Period (FY)
      2019 – 2021
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Review Section
      Medium-sized Section 24:Aerospace engineering, marine and maritime engineering, and related fields
    • Research Institution
      Osaka University
  •  Development of Fatigue Assessment Method for Welded Joints subject to Intermittently Hull Vibration Superimposed Wave LoadingsPrincipal Investigator

    • Principal Investigator
      OSAWA NAOKI
    • Project Period (FY)
      2016 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Naval and maritime engineering
    • Research Institution
      Osaka University
  •  Development of full-automatic line heating system

    • Principal Investigator
      Shibahara Masakazu
    • Project Period (FY)
      2016 – 2018
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Naval and maritime engineering
    • Research Institution
      Osaka Prefecture University
  •  Study on the Mechanisms of Under-film Corrosion in the Upper Part of Water Ballast TanksPrincipal Investigator

    • Principal Investigator
      OSAWA NAOKI
    • Project Period (FY)
      2013 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Naval and maritime engineering
    • Research Institution
      Osaka University
  •  Clarification of Hydrogen gas cutting process aimed at greenhouse gas mitigationPrincipal Investigator

    • Principal Investigator
      OHSAWA Naoki
    • Project Period (FY)
      2009 – 2011
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Naval and maritime engineering
    • Research Institution
      Osaka University
  •  Establishment of Method to Assess Longitudinal Strength of Ship's Hull Girder

    • Principal Investigator
      YAO Tetsuya
    • Project Period (FY)
      2006 – 2009
    • Research Category
      Grant-in-Aid for Scientific Research (S)
    • Research Field
      Naval and maritime engineering
    • Research Institution
      Osaka University
  •  船体構造の国際標準規則のあり方に関する国内共同研究の企画

    • Principal Investigator
      SUMI Yohichi
    • Project Period (FY)
      2006
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Naval and maritime engineering
    • Research Institution
      Yokohama National University
  •  Development of the crack detection system of the steel structures by using magnetic propertiesPrincipal Investigator

    • Principal Investigator
      OSAWA Naoki, 冨田 康光
    • Project Period (FY)
      2004 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Naval and maritime engineering
    • Research Institution
      Osaka University
  •  Development of Numerical Estimation Technique for Production of Welded Structure with High Accuracy

    • Principal Investigator
      MURAKAWA Hidekazu
    • Project Period (FY)
      2003 – 2006
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Material processing/treatments
    • Research Institution
      Osaka University
  •  超耐食性船体構造開発のための腐食実態調査

    • Principal Investigator
      冨田 康光
    • Project Period (FY)
      2002
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      船舶工学
    • Research Institution
      Osaka University
  •  Study on Fatigue Crack Initiation and Propagation Process of Ship Structural Materials by Computational Mechanics ApproachPrincipal Investigator

    • Principal Investigator
      OSAWA Naoki
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      船舶工学
    • Research Institution
      Osaka University
  •  Real-time Visualization System for Large-scale Calculation Using Distributed Network

    • Principal Investigator
      HASEGAWA Kazuhiko
    • Project Period (FY)
      2000 – 2001
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      船舶工学
    • Research Institution
      Osaka University
  •  Numerical Investigation of Turbulent Combustion during Line Heating Process

    • Principal Investigator
      TOMITA Yasumitsu
    • Project Period (FY)
      2000 – 2001
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      船舶工学
    • Research Institution
      Osaka University
  •  Study on the fatigue strength of Ships and Offshore Structures under Variable Amplitude Loading Conditions

    • Principal Investigator
      HASHIMOTO Kiyoshi
    • Project Period (FY)
      1999 – 2001
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      船舶工学
    • Research Institution
      Osaka University
  •  Study on the Development of Automatc Line-Heating SystemPrincipal Investigator

    • Principal Investigator
      OSAWA Naoki
    • Project Period (FY)
      1998 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      船舶工学
    • Research Institution
      Osaka University
  •  Study on Fatigue Strength Evaluation of Ship Structural Members in The Ocean Going

    • Principal Investigator
      TOMITA Yasumitsu
    • Project Period (FY)
      1997 – 1999
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      海洋工学
    • Research Institution
      Osaka University
  •  Development of Nonlinear Numerical Fracture Mechanics Based on Energy Release Rate

    • Principal Investigator
      MURAKAWA Hidekazu
    • Project Period (FY)
      1997 – 1999
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      海洋工学
    • Research Institution
      Osaka University
  •  船体構造用多結晶金属材料の疲労被害と繰返し塑性変形挙動の関係に関ずる研究Principal Investigator

    • Principal Investigator
      大沢 直樹
    • Project Period (FY)
      1996 – 1997
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      船舶工学
    • Research Institution
      Osaka University
  •  Study on details of a new welding procedure that had good fatigue strength

    • Principal Investigator
      TOMITA Yasumitsu
    • Project Period (FY)
      1995 – 1997
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      船舶工学
    • Research Institution
      Osaka University
  •  Study of Fatigue Strength Simulation under Corrosion Environments

    • Principal Investigator
      HASHIMOTO Kiyoshi
    • Project Period (FY)
      1995 – 1996
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      船舶工学
    • Research Institution
      Osaka University
  •  繰返し荷重下の軟鋼の加工硬化特性に関する研究Principal Investigator

    • Principal Investigator
      大沢 直樹
    • Project Period (FY)
      1994
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      船舶工学
    • Research Institution
      Osaka University
  •  A RESEARCH ON THE SROT PARTS OF THE SHIP-HULL UNDER CONSIDERING EASY CONSTRUCTION

    • Principal Investigator
      FUNAKI Toshihiko
    • Project Period (FY)
      1994 – 1996
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      船舶工学
    • Research Institution
      Osaka University
  •  EFFECTS OF STATIC LOAD ON FATIGUE STRENGTH

    • Principal Investigator
      TOMITA Yasumitsu
    • Project Period (FY)
      1994 – 1995
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      海洋工学
    • Research Institution
      Osaka University
  •  Study of Fatigue Design Chart for Ship and Offshore Structures

    • Principal Investigator
      TOMITA Yasumitsu
    • Project Period (FY)
      1993 – 1994
    • Research Category
      Grant-in-Aid for Co-operative Research (A)
    • Research Field
      船舶工学
    • Research Institution
      Osaka University
  •  Study of Stress-Strain Relation and Fatigue Strength of Steel under Random Loading Conditions

    • Principal Investigator
      TOMITA Yasumitsu
    • Project Period (FY)
      1992 – 1993
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      船舶構造・建造
    • Research Institution
      Osaka University

All 2023 2022 2021 2018 2017 2016 2015 2014 2012 2011 2010 2006 2004 2003 Other

All Journal Article Presentation Patent

  • [Journal Article] Bayesian Inference for the Parameters of Probabilistic Corrosion Model Adopted by IACS2023

    • Author(s)
      Takaaki Takeuchi, Naoki Osawa, Norio Yamamoto
    • Journal Title

      Advances in the Analysis and Design of Marine Structures

      Volume: -

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19H00804
  • [Journal Article] Bayes推論によるセルオートマトン塗膜下腐食 計算パラメタの決定方法に関する研究2023

    • Author(s)
      藤原悠,武内崇晃,大沢直樹,高田篤史
    • Journal Title

      日本船舶海洋工学会講演論文集

      Volume: 36

    • Data Source
      KAKENHI-PROJECT-19H00804
  • [Journal Article] 船体腐食モデルのBayes推定に関する一考察 : IACS腐食モデルパラメタ決定のためのMCMCモデリング2022

    • Author(s)
      森垣堅登, 大沢直樹, 武内崇晃
    • Journal Title

      日本船舶海洋工学会講演論文集

      Volume: 34 Pages: 237-240

    • Data Source
      KAKENHI-PROJECT-19H00804
  • [Journal Article] 実船海水バラスト環境における無塗装鋼材のEIS腐食モニタリング2022

    • Author(s)
      林原仁志, 石渡隼也, 井上朝哉, 高田篤志, 大沢直樹, 小島隆志
    • Journal Title

      材料と環境2022講演論文集

      Volume: -

    • Data Source
      KAKENHI-PROJECT-19H00804
  • [Journal Article] 海水バラストタンク乾湿交番環境における鋼材腐食速度の過渡変化 評価2021

    • Author(s)
      林原仁志, 石渡隼也, 井上朝哉, 高田篤志, 大沢直樹, 小島隆志
    • Journal Title

      日本船舶海洋工学会講演論文集

      Volume: 33

    • Data Source
      KAKENHI-PROJECT-19H00804
  • [Journal Article] 海水バラストタンク乾湿交番環境における鋼材腐食速度の過渡変化評価2021

    • Author(s)
      林原仁志,石渡隼也,井上朝哉,高田篤志,大沢直樹,小島隆志
    • Journal Title

      日本船舶海洋工学会講演論文集

      Volume: 33

    • Data Source
      KAKENHI-PROJECT-19H00804
  • [Journal Article] A Study on the Stochastic Aspects of the Whipping Vibrations in a Container Ship2018

    • Author(s)
      Luis De Gracia, Naoki Osawa, Kazuhiro Iijima, Toichi Fukasawa, Hitoi Tamaru
    • Journal Title

      Proceeding of the ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering

      Volume: 3

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-16H02432
  • [Journal Article] A Study on the Influence of Ship Weather Routing in Fatigue Life Prediction of Ship Structures2018

    • Author(s)
      Luis De Gracia, Naoki Osawa, Hitomi Tamaru, Toichi Fukasawa
    • Journal Title

      日本船舶海洋工学会講演論文集

      Volume: 23 Pages: 117-122

    • NAID

      40021612190

    • Data Source
      KAKENHI-PROJECT-16H02432
  • [Journal Article] 間欠高周波重畳波浪荷重を受ける溶接継手の疲労強度に関する実験的研究2018

    • Author(s)
      大沢直樹,中村哲也,寺井幸司,山本規雄,岩田麟太郎
    • Journal Title

      日本船舶海洋工学会講演論文集

      Volume: 23 Pages: 127-130

    • NAID

      40021612202

    • Data Source
      KAKENHI-PROJECT-16H02432
  • [Journal Article] A Study on the Stochastic Characteristics of Wave Load Sequences including Whipping Vibrations in a Container Ship2017

    • Author(s)
      Luis De Gracia, Naoki Osawa, Kazuhiro Iijima, Toichi Fukasawa
    • Journal Title

      Proceedings of International conference proceeding of the 31st Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures (TEAM 2017)

      Volume: 1 Pages: 780-785

    • Data Source
      KAKENHI-PROJECT-16H02432
  • [Journal Article] セルオートマトンによる塗膜下腐食シミュレーション手法に関する研究(第2報:バラストタンク内エッジ腐食の解析)2016

    • Author(s)
      大沢直樹,塩谷和彦,高田篤志,竹野成流,片山志乃,織田拓哉
    • Journal Title

      日本船舶海洋工学会講演論文集

      Volume: 23

    • NAID

      130006068483

    • Data Source
      KAKENHI-PROJECT-25289318
  • [Journal Article] Development of Under-film Corrosion Simulation Mehod based on Cellular Automation2016

    • Author(s)
      Osawa, N., Kanou, Y., Kawamura, Y., Takada, A., Shiotani, K., Takeno, S., Katayama, S., Kristov, I.W.
    • Journal Title

      Proc. The 35th Int. Conf. on Ocean, Offshore and Arctic Enginnering (OMAE2016)

      Volume: 1

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-25289318
  • [Journal Article] Development of Fe(II) Fluorescent Indicator for Underfilm Corrosion Monitoring of Water Ballast Tank2015

    • Author(s)
      Naoki Osawa, Ryuji Kojima, Atsushi Takada, Sho Takano, Seiru Takeno, Shino Katayama
    • Journal Title

      Proceedings of the Twenty-fifth (2015) International Offshore and Polar Engineering Conference

      Volume: IV

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-25289318
  • [Journal Article] Development of Fe(II) Fluorescent Indicator for Underfilm Corrosion Monitoring of Water Ballast Tank2015

    • Author(s)
      Osawa, N., Kojima, R., Takada, A., Takano, S., Katayama, S
    • Journal Title

      Proc. 25th Int. Ocean and Polar Engineering Conference (ISOPE2015)

      Volume: 4 Pages: 482-487

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-25289318
  • [Journal Article] セルオートマトンによる塗膜下腐食シミュレーション手法に関する基礎的研究2015

    • Author(s)
      大沢直樹, 狩野泰秀, 川村恭己, 竹野成流, 片山志乃
    • Journal Title

      日本船舶海洋工学会講演論文集

      Volume: 20

    • NAID

      40020807725

    • Data Source
      KAKENHI-PROJECT-25289318
  • [Journal Article] エポキシ塗装鋼板塗膜下腐食モニタリングのための鉄2価イオン感応性蛍光プローブの開発2015

    • Author(s)
      大沢直樹,高田篤志,小島隆志,高野翔
    • Journal Title

      日本船舶海洋工学会論文集

      Volume: 22 Pages: 93-99

    • NAID

      130005103492

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-25289318
  • [Journal Article] エポキシ塗装鋼板塗膜下腐食モニタリングのための 鉄2価イオン感受性蛍光プローブの開発2014

    • Author(s)
      大沢直樹, 高田篤志, 小島隆志, 高野翔
    • Journal Title

      日本船舶海洋工学会講演論文集

      Volume: 19 Pages: 453-456

    • NAID

      40020457400

    • Data Source
      KAKENHI-PROJECT-25289318
  • [Journal Article] STUDY OF HEAT TRANSFER DURING PIERCING PROCESS OF OXYFUEL GAS CUTTING2012

    • Author(s)
      N. Osawa, J. Sawamura, Y. Ikegami and N. Okamoto
    • Journal Title

      Welding in the World

      Volume: March/April(in press)

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21360428
  • [Journal Article] Study on the relation between heat transfer property of the preheating gas and the performance of oxy-fuel gas cutting2012

    • Author(s)
      N.Osawa, J. Sawamura, Y. Ikegami, K. Yamaguchi
    • Journal Title

      Proc. 26th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures

      Pages: 417-422

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21360428
  • [Journal Article] STUDY OF HEAT TRANSFER DURING PIERCING PROCESS OF OXYFUEL GAS CUTTING2012

    • Author(s)
      N.Osawa, J.Sawamura, Y.Ikegami, N.Okamoto
    • Journal Title

      Welding in the World

      Volume: 03/04(印刷中)

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21360428
  • [Journal Article] Study on Numerical Computation Technique for Quasi-Stable Heat Conduction Field Around a Kerf of Oxygen-Fuel Cutting2011

    • Author(s)
      N. Osawa, J. Sawamura., N. Okamoto., K. Yamaguchi
    • Journal Title

      Proc. 25th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures

      Pages: 76-82

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21360428
  • [Journal Article] Study on Numerical Computation Ttechnique for Quasi-Stable Heat Conduction Field Around a Kerf of Oxygen-Fuel Cutting2011

    • Author(s)
      Osawa N., Sawamura J., Okamoto N., Yamaguchi K.
    • Journal Title

      Proc.25th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures

      Pages: 76-82

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21360428
  • [Journal Article] 酸素ガス切断におけるピアシング予熱中の入熱に関する研究2010

    • Author(s)
      大沢 直樹, 澤村 淳司, 池上 祐一, 岡本尚也
    • Journal Title

      溶接学会論文集

      Volume: Vol. 28, No.4 Pages: 427-435

    • NAID

      10030150438

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21360428
  • [Journal Article] 酸素ガス切断におけるピアシング予熱中の入熱に関する研究2010

    • Author(s)
      大沢直樹, 澤村淳司, 池上祐一, 岡本尚也
    • Journal Title

      溶接学会論文集

      Volume: Vol.28, No.4 Pages: 427-435

    • NAID

      10030150438

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21360428
  • [Journal Article] Research on Development of a Non-destructive Crack Inspection System by Using Magnetic Properties2006

    • Author(s)
      Hashimoto K, Osawa N
    • Journal Title

      Proceedings of The Sixteenth International Offshore and Polar Engineering Conference Vol.4

      Pages: 86-91

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16206084
  • [Journal Article] Study on Non-Destructive Detection System by Magnetic Characteristics2006

    • Author(s)
      K.Hashimoto, N.Osawa
    • Journal Title

      Proceedings of the 20^<th> Asian Technical Exchange and Advisory Meeting on Marine Structures

      Pages: 113-117

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16206084
  • [Journal Article] Research on Development of a Non-destructive Crack Inspection System by Using Magnetic Properties2006

    • Author(s)
      Hashimoto K, Osawa N
    • Journal Title

      Proceedings of The Sixteenth International Offshore and Polar Engineering Conference Vol. 4

      Pages: 86-91

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16206084
  • [Journal Article] 船体構造用二相銅の微視的構造と疲労き裂周り変形挙動に関する一考察2004

    • Author(s)
      大沢直樹, 富田康光, 橋本聖史, 有本正義
    • Journal Title

      日本造船学会講演論文集 4

      Pages: 103-104

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14550859
  • [Journal Article] Study on Non-Destructive Detection System by Magnetic Characteristics2004

    • Author(s)
      K.Hashimoto, Y.Tomita, N.Osawa
    • Journal Title

      Proceedings of The Eighteenths Asian Technical Exchange and Advisory Meeting on Marine Structures 18

      Pages: 79-86

    • Data Source
      KAKENHI-PROJECT-16206084
  • [Journal Article] 磁気特性を用いた非破壊検査によるき裂損傷検出システムに関する研究2004

    • Author(s)
      橋本聖史, 冨田康光, 大沢直樹
    • Journal Title

      日本造船学会講演会論文集 4号

      Pages: 131-132

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16206084
  • [Journal Article] Study on Non-Destructive Detection System by Magnetic Characteristics2004

    • Author(s)
      K.Hashimoto, Y.Tomita, N.Osawa
    • Journal Title

      Proceedings of The Eighteenths Asian Technical Exchange and Advisory Meeting on Marine Structures Vol.18

      Pages: 79-86

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16206084
  • [Journal Article] 船体構造用二相鋼の微視的構造と疲労き裂周り変形挙動の関係に関する一考察2004

    • Author(s)
      大沢直樹, 冨田康光, 橋本聖史, 有本正義
    • Journal Title

      日本造船学会講演論文集 4

      Pages: 103-104

    • Data Source
      KAKENHI-PROJECT-14550859
  • [Journal Article] Study on Crack Detection System by Non-Destructive Test using the Magnetic Characteristics2004

    • Author(s)
      K.Hashimoto, Y.Tomita, N.Osawa
    • Journal Title

      Conference Proceedings The Society of Naval Architects of Japan Vol.4

      Pages: 131-132

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-16206084
  • [Journal Article] Study on Non-Destructive Detection System by Magnetic Characteristics2004

    • Author(s)
      K.Hashimoto, Y.Tomita, N.Osawa
    • Journal Title

      Proceedings of The Eighteenths Asian Technical Exchange and Advisory Meeting on Marine Structures Vol. 18

      Pages: 79-86

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16206084
  • [Journal Article] 船体構造用銅の微視細胞と繰返し塑性変形挙動の相関に関する一考察2003

    • Author(s)
      大沢直樹, 富田康光, 橋本聖史, 本田卓郎
    • Journal Title

      日本造船学会講演論文集 2

      Pages: 7-8

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-14550859
  • [Journal Article] Study on the relation between microstructure and cyclic plastic deformation behavior in ship structural steel

    • Author(s)
      Naoki Osawa, Yasumitsu Tomita, Kiyoshi Hashimoto, Takuro Honda
    • Journal Title

      Conference Proc.Soc.Naval Architects of Japan Vol.2

      Pages: 7-8

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14550859
  • [Journal Article] Study on relation between microstructure and deformation behavior in the vicinity of fatigue crack tip

    • Author(s)
      Naoki Osawa, Yasumitsu Tomita, Kiyoshi Hashimoto, Masayoshi Arimoto
    • Journal Title

      Conference Proc.Soc.Naval Architects of Japan Vol.4

      Pages: 103-104

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14550859
  • [Patent] 非破壊検査装置及び非破壊検査方法2006

    • Inventor(s)
      橋本聖史, 冨田康光, 大沢直樹
    • Industrial Property Rights Holder
      大阪大学
    • Industrial Property Number
      2006-337383
    • Filing Date
      2006-12-14
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-16206084
  • [Presentation] Bayes推論によるセルオートマトン塗膜下腐食 計算パラメタの決定方法に関する研究2023

    • Author(s)
      大沢直樹
    • Organizer
      日本船舶海洋工学会令和5年度春季講演会
    • Data Source
      KAKENHI-PROJECT-19H00804
  • [Presentation] Bayesian Inference for the Parameters of Probabilistic Corrosion Model Adopted by IACS2023

    • Author(s)
      Naoki Osawa
    • Organizer
      MARSTRUCT2023
    • Data Source
      KAKENHI-PROJECT-19H00804
  • [Presentation] Study on the relation between heat transfer property of the preheating gas and the performance of oxy-fuel gas cutting2012

    • Author(s)
      N.Osawa, J. Sawamura, Y. Ikegami, K. Yamaguchi
    • Organizer
      Proc. 26th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures
    • Data Source
      KAKENHI-PROJECT-21360428
  • [Presentation] Study on Numerical Computation Technique for Quasi-Stable Heat Conduction Field Around a Kerf of Oxygen-Fuel Cutting2011

    • Author(s)
      N. Osawa, J. Sawamura., N. Okamoto., K. Yamaguchi
    • Organizer
      Proc. 25th Asian-Pacific Technical Exchange and Advisory Meeting on Marine Structures
    • Data Source
      KAKENHI-PROJECT-21360428
  • [Presentation] Study of Heat Transfer during Piercing Process of Oxy-fuel Cutting2010

    • Author(s)
      Naoki Osawa
    • Organizer
      International Institute of Welding 2010 Annual Assembly
    • Data Source
      KAKENHI-PROJECT-21360428
  • 1.  HASHIMOTO Kiyoshi (50183554)
    # of Collaborated Projects: 14 results
    # of Collaborated Products: 13 results
  • 2.  TOMITA Yasumitsu (30029251)
    # of Collaborated Projects: 12 results
    # of Collaborated Products: 10 results
  • 3.  FUNAKI Toshihiko (90029174)
    # of Collaborated Projects: 7 results
    # of Collaborated Products: 0 results
  • 4.  MURAKAWA Eiichi (60166270)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 0 results
  • 5.  YAO Tetsuya (20029284)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 6.  SAWAMURA Junji (90359670)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 9 results
  • 7.  TAKADA Atsushi (90470054)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 10 results
  • 8.  FUJIMOTO Yukio (60136140)
    # of Collaborated Projects: 3 results
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  • 9.  HAYASHI Sigehiro (60263216)
    # of Collaborated Projects: 2 results
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  • 10.  FUJIKUBO Masahiko (30156848)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 11.  IIJIMA Kazuhiro (50302758)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 2 results
  • 12.  TANAKA Yoshiteru (40373419)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 13.  SUMI Yohichi (80107367)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 14.  TOYOSADA Masahiro (30188817)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 15.  KOJIMA Ryuji (70392694)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 7 results
  • 16.  IWATA Mitumasa (80034346)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 17.  FUKASAWA Toichi (80143171)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 3 results
  • 18.  Shibahara Masakazu (20350754)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 19.  KAWABE Hiroshi (00384876)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 20.  NAKACHO Keiji (10112070)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  HASEGAWA Kazuhiko (60106804)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 22.  TAKAGI Ken (90183433)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 23.  UMEDA Naoya (20314370)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 24.  SUZUKI Hiroyoshi (00252601)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 25.  SERIZAWA Hisashi (20294134)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 26.  TSUMURA Takuya (00283812)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 27.  TANAKA Manabu (20243272)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 28.  OKUMOTO Yasuhisa (50247962)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 29.  吉川 孝男 (50380572)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 30.  服部 陽一 (40198768)
    # of Collaborated Projects: 1 results
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  • 31.  牛尾 誠夫 (80029248)
    # of Collaborated Projects: 1 results
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  • 32.  堤 成一郎 (70344702)
    # of Collaborated Projects: 1 results
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  • 33.  田丸 人意 (00361808)
    # of Collaborated Projects: 1 results
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  • 34.  伊藤 真介 (50535052)
    # of Collaborated Projects: 1 results
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  • 35.  生島 一樹 (80734003)
    # of Collaborated Projects: 1 results
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  • 36.  北野 克和 (10302910)
    # of Collaborated Projects: 1 results
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  • 37.  井上 朝哉 (10359127)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 38.  林原 仁志 (20511588)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 39.  石渡 隼也 (60834645)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 3 results
  • 40.  麻 寧緒 (10263328)
    # of Collaborated Projects: 1 results
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  • 41.  武内 崇晃 (80899980)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 42.  DEGUCHI Yoshikazu
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 43.  Luis De Gracia
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 44.  大藪 弘彦
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 45.  吉川 光昭
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 46.  加藤 謙治
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 47.  吉田 昌平
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 48.  吉川 光明
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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