TAKAGI Youhei

Affiliation

Faculty of Engineering, Division of Systems Research

Job Title

Associate Professor

Date of Birth

1977

Research Fields, Keywords

Computational Fluid Dynamics, Drag Reduction, Turbulence

Related SDGs



The Best Research Achievement in Research Career 【 display / non-display

The Best Research Achievement in the last 5 years 【 display / non-display

Education 【 display / non-display

  • 2001.4
    -
    2006.3

    Tokyo Institute of Technology   Department of Mechanical and Aerospace Engineering   Doctor Course   Completed

Degree 【 display / non-display

  • Doctor of Engineering - Tokyo Institute of Technology

  • Master of Engineering - Tokyo Institute of Technology

Campus Career 【 display / non-display

  • 2019.4
     
     

    Duty   Yokohama National UniversityFaculty of Engineering   Division of Systems Research   Associate Professor  

  • 2017.3
    -
    2019.3

    Duty   Yokohama National UniversityFaculty of Engineering   Division of Systems Research   Specially Appointed Associate Professor  

  • 2021.4
     
     

    Concurrently   Yokohama National UniversityInterfaculty Graduate School of Innovative and Practical Studies   Associate Professor  

  • 2019.4
     
     

    Concurrently   Yokohama National UniversityGraduate School of Engineering   Department of Systems Integration   Associate Professor  

  • 2019.4
     
     

    Concurrently   Yokohama National UniversityGraduate school of Engineering Science   Department of Mechanical Engineering, Materials Science and Ocean Engineering   Associate Professor  

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External Career 【 display / non-display

  • 2011.9
    -
    2017.3

    Osaka University   Graduate school of Engineering Science   Assistant Professor  

  • 2009.1
    -
    2011.8

    Shizuoka University   Faculty of Engineering   Assistant Professor  

  • 2006.4
    -
    2008.12

    National Maritime Research Institute   CFD Research Center   Researcher  

Academic Society Affiliations 【 display / non-display

  • 2017.5
     
     
     

    The Japan Society of Naval Architects and Ocean Engineers

  • 2014.8
     
     
     

    American Physical Society

  • 2013.6
     
     
     

    オープンCAE学会

  • 2009.6
     
     
     

    The Japan Society of Mechanical Engineers

  • 2009.1
     
     
     

    The Society of Chemical Engineers

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Research Areas 【 display / non-display

  • Frontier Technology (Aerospace Engineering, Marine and Maritime Engineering) / Marine engineering

Qualification acquired 【 display / non-display

  • Floor Above Operation Type Crane Skilled Person

  • Hang Up and Remove Work Skill Person

  • Fundamental Information Engineer/Information Processing Engineer, Class 2

 

Research Career 【 display / non-display

  • Prediction of ship propulsion resistance with machine learning

    The Other Research Programs  

    Project Year: 2017.4

     More detail

    Experimental and numerical data for ship towing tank test are used as the test data of machine learning, and the innovative prediction system for the propulsion resistance of new ship model is developed with low computational cost.

  • Numerical simulation of oil spill due to tsunami and development of the method for reducing the disaster impact

    Cooperative Research  

    Project Year:

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    A numerical simulation for predicting the impact of oil spill disaster triggered by large tsunami at chemical industrial park is carried out, and a method for reducing the impact is developed.

  • Study on drag reduction effect of hydrogel ship painting with meso-scale model

    Grant-in-Aid for Scientific Research  

    Project Year:

     More detail

    To clarify the drag reduction effect of hydrogel painting, a meso-scale model for connecting the macro scale fluid motion with the micro scale structure of painting polymer is developed, and the relation between vortex motion and turbulent dynamics is investigated.

Books 【 display / non-display

  • Applications to Marine Disaster Prevention: Spilled Oil and Gas Tracking Buoy System

    N. Kato, M. Choyekh, S. S. Rathour, Y. Takagi, T. Ochi and H. Suzuki( Role: Joint author)

    Springer  ( ISBN:978-443155989

    Amazon

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    Language:English Book type:Scholarly book

Thesis for a degree 【 display / non-display

  • 一様乱流におけるmulti-mode stretched spiral vortexの形成と乱流生成過程の研究

    高木 洋平

    2006.3

    Doctoral Thesis   Single Work    [Reviewed]

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    東京工業大学(理工学研究科機械宇宙システム専攻)
    一様等方乱流及び一様せん断乱流の直接数値計算を行い、渦管・渦層構造を選択的に抽出する手法を用いて多重モードスパイラル伸長渦の形成過程を明らかにし、モードによって乱流中のエネルギーカスケードに寄与する役割が異なることを示した。

  • 一様等方乱流における乱流生成機構の研究

    髙木 洋平

    2003.3

    Master Thesis   Single Work  

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    東京工業大学(理工学研究科機械宇宙システム専攻)
    一様等方乱流の直接数値計算を行い、渦管・渦層構造を選択的に抽出手法を用いて渦層から渦管に遷移する渦構造形成過程を明らかにし、その過程が乱流エネルギーの生成に関係していることを示した。

Papers 【 display / non-display

  • Hydrodynamic design of energy saving device for ship scale performance improvement

    H. Ikenoue, T. Hino, Y. Takagi

    Proceedings of the 33rd Symposium on Naval Hydrodynamics   2020.10

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    Language:English   Publishing type:Research paper (international conference proceedings)   Joint Work  

  • Numerical analysis of tsunami-triggered oil spill fires from petrochemical industrial complexes in Osaka Bay, Japan, for thermal radiation hazard assessment

    Nishino Tomoaki, Takagi Youhei

    INTERNATIONAL JOURNAL OF DISASTER RISK REDUCTION   42   101352   2020.1  [Reviewed]

    DOI Web of Science

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    Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:Elsevier   Joint Work  

  • Numerical analysis of single oil tank behavior under tsunami inundation by using fluid structure interaction

    Y. Takagi, Y. Kawamura, T. Hino

    Proceedings of the 13th International Seminar of Port-city Universities League   2019.10

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:YNU PRESS   Joint Work  

  • Experimental Study on the Friction Drag Reduction of Hydrogel Paint in a Boundary Layer on Flat Plate

    Y. Takagi, T. Hino, M. Nishimura, H. Aso

    Proc. ASME-JSME-KSME Joint Fluids Engineering Conference 2019,   2019.7

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    Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:AJKFLUIDS   Joint Work  

    AJKFLUIDS2019-4746

    Other Link: https://event.asme.org/AJKFluids/Program/#/AJKFLUIDS2019/sessions/167

  • Effect of Thin and Rough Layers of Porous Materials on Drag

    Petya Valentinova Stoyanova, Lei Wang, Atsushi Sekimoto, Yasunori Okano, Youhei Takagi

    JOURNAL OF CHEMICAL ENGINEERING OF JAPAN   52 ( 6 )   493 - 500   2019.6  [Reviewed]

    DOI

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    Language:English   Publishing type:Research paper (scientific journal)   Publisher:J-STAGE   Joint Work  

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Review Papers 【 display / non-display

  • 化学工学年鑑2020 4.熱工学 4.4数値解析

    高木洋平

    化学工学   84 ( 10 )   493 - 494   2020.10

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (other)   Single Work  

  • スケールアップの効率化に貢献する計算流体力学(シミュレーション)

    高木 洋平

    COSMETIC STAGE   14 ( 4 )   35 - 39   2020.4

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (trade magazine, newspaper, online media)   Publisher:技術情報協会   Single Work  

  • 化学工学年鑑2019 4.熱工学 4.4数値解析

    高木洋平

    化学工学   83 ( 10 )   584 - 585   2019.10

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    Language:Japanese   Publishing type:Article, review, commentary, editorial, etc. (other)   Single Work  

Awards 【 display / non-display

  • 2018年度化学工学会論文審査貢献賞

    2018   化学工学会  

    Individual or group name of awards: 高木洋平

Grant-in-Aid for Scientific Research 【 display / non-display

  • 流れ場依存性を排除した機能性船底塗料の抵抗増減率推算に関する統合的アプローチ

    2020.4 - 2022.3

    科学研究費補助金  Grant-in-Aid for Scientific Research(B)

    Investigator(s):高木洋平

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    Grant type:Competitive

  • 沿岸災害に起因する堤外地の大規模災害リスク低減のための統合的アプローチ

    2019.4 - 2022.3

    科学研究費補助金  Grant-in-Aid for Scientific Research(A)

    Investigator(s):青木伸一

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    Grant type:Competitive

  • 南海トラフ地震津波による石油流出火災シミュレーションと津波避難ビルの火災被害予測

    2018.4 - 2021.3

    科学研究費補助金  Grant-in-Aid for Scientific Research(B)

    Investigator(s):西野智研

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    Grant type:Competitive

  • せん断応答性を有するハイドロゲル塗膜のメソスケールモデルによる抵抗低減効果の予測

    2017.4 - 2020.3

    科学研究費補助金  Grant-in-Aid for Scientific Research(C)

    Investigator(s):高木洋平

      More details

    Grant type:Competitive

Other external funds procured 【 display / non-display

  • ペンギン体表面からの気泡放出を模擬した推進抵抗低減技術の開発

    2018.4 - 2019.3

    造船学術研究推進機構交付金

    Investigator(s):高木洋平

Presentations 【 display / non-display

  • Numerical estimation of the behavior of oil storage tank under tsunami inundation by using fluid-structure interaction analysis

    Y. Takagi, S. Numata, T. Hino

    The 5th International Symposium on Natural and Technological Accident Risk Reduction at Large Industrial Parks  (オンライン) 

     More details

    Event date: 2021.3

    Language:English   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  • チャネル乱流における変形する気泡が流れ場に及ぼす影響

    高木洋平, 岩本真莉絵, 日野孝則

    第34回数値流体力学シンポジウム  (オンライン)  日本流体力学会

     More details

    Event date: 2020.12

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  • 船体周り流体解析における計算格子が抵抗成分評価に与える影響

    高木洋平

    オープンCAE・FrontISTR合同シンポジウム2020  (オンライン)  オープンCAE学会・FrontISTR Commons

     More details

    Event date: 2020.12

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  • 船首砕波のCFDシミュレーション

    水出昌宏, 日野孝則, 高木洋平

    日本船舶海洋工学会令和2年秋季講演会  (オンライン)  日本船舶海洋工学会

     More details

    Event date: 2020.11

    Language:Japanese   Presentation type:Oral presentation (general)  

    Venue:オンライン  

  • Hydrodynamic design of energy saving device for ship scale performance improvement

    H. Ikenoue, T. Hino, Y. Takagi

    The 33rd Symposium on Naval Hydrodynamics  (Online) 

     More details

    Event date: 2020.10

    Language:English   Presentation type:Oral presentation (general)  

    Venue:Online  

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Preferred joint research theme 【 display / non-display

  • Diffusion prediction of environment pollutant

  • Utilization of high-end CAE

  • Development of drag reduction technique

Past of Collaboration and Commissioned Research 【 display / non-display

  • 機械学習を用いた風環境予測精度の向上と防災技術への応用

    Offer organization: 学際大規模情報基盤共同利用・共同研究拠点   Cooperative Research within Japan  

    Project Year: 2020.4  -  2021.3 

  • 機械学習を用いた建物表面ピーク風圧予測の効率化に関する基礎検討

    Offer organization: 日鉄エンジニアリング株式会社   Cooperative Research within Japan  

    Project Year: 2020.4  -  2021.3 

 

Charge of on-campus class subject 【 display / non-display

  • 2021   流体力学演習

    College of Engineering Science

  • 2021   応用流体力学輪講

    College of Engineering Science

  • 2021   応用流体力学実験

    College of Engineering Science

  • 2021   応用流体力学演習

    College of Engineering Science

  • 2021   流体力学Ⅰ

    College of Engineering Science

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Committee Memberships 【 display / non-display

  • 日本船舶海洋工学会東部支部運営委員

    2019.6  運営委員

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    Committee type:Academic society 

  • 一般財団法人 オープンCAE学会

    2013.6  理事

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    Committee type:Academic society 

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