KAWAMURA Yasumi

Affiliation

Faculty of Engineering, Division of Systems Research

Job Title

Professor

Date of Birth

1966

Research Fields, Keywords

CAE(Computer Aided Engineering, Risk Analysis, Ocean Engineering, Computational Mechanics, Structural Mechanics, Naval Architecture

Mail Address

E-mail address



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

  • 【Book】 Strength of Materials in Multimedia  1998.04

    【Published Thesis】 A Study on a Method for Maintenance of Ship Structures Considering Remaining Life Benefit  2007

    【Published Thesis】 A Study on the Method of Structural Analysis with Uncertainty in Shape by Stochastic Finite Element Method  2015

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

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Education 【 display / non-display 】

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    1994

    The University of Tokyo   Department of Naval Architecture and Ocean Engieering   Doctor Course   Completed

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    1991

    The University of Tokyo   Department of Naval Architecture and Ocean Engineering   Master Course   Completed

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    1989

    The University of Tokyo   Department Naval Architecture and Ocean Engineering   Graduated

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Degree 【 display / non-display 】

  • Doctor of Engineering - The University of Tokyo

  • Master of Engineering - The University of Tokyo

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Campus Career 【 display / non-display 】

  • 2009.1
    　
    　

    Duty   Yokohama National UniversityFaculty of Engineering   Division of Systems Research   Professor  

  • 2007.4
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    2008.12

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

  • 2001.4
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    2007.3

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

  • 1998.4
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    2001.3

    Duty   Yokohama National UniversityGraduate School of Engineering   Associate Professor  

  • 1996.4
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    1998.3

    Duty   Yokohama National UniversitySchool of Engineering   Associate Professor  

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Academic Society Affiliations 【 display / non-display 】

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    日本船舶海洋工学会（旧　日本造船学会）

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    日本機械学会

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    日本計算工学会

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Research Areas 【 display / non-display 】

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

  • Manufacturing Technology (Mechanical Engineering, Electrical and Electronic Engineering, Chemical Engineering) / Mechanics of materials and materials

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Research Career 【 display / non-display 】

  • Lifecycle Assessment of Ship and Marine Structures considering Holistic Risk

    Grant-in-Aid for Scientific Research  

    Project Year：

  • Mesh Generation for Finite Element Method

    Project Year：

  • Structural Design Method based on Structural Reliability Analysis

    The Other Research Programs  

    Project Year：

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Books 【 display / non-display 】

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Thesis for a degree 【 display / non-display 】

  • 統合化有限要素解析システムと有限要素法のプリプロセッシングに関する研究

    川村恭己

    1994.3

    Doctoral Thesis   Single Work  

    DOI

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    東京大学大学院　工学研究科
    有理BスプラインやB-Repモデルによって表現された形状モデルと、オブジェクト指向型のデータ構造により表現した有限要素モデルとを統合化したモデルを提案し、それに基づいたFEMモデリングシステムを構築することによって、船体等の３次元の実構造物における解析モデルの生成・修正が容易になることを示した。さらに、システム構築にオブジェクト指向データベースを導入することにより、データの管理が容易になることを示した。

  • オブジェクト指向型有限要素モデリングシステムの構築

    川村恭己

    1991.3

    Master Thesis   Single Work  

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    東京大学大学院　工学研究科
    事後誤差評価とオブジェクト指向型の有限要素モデルを用いた要素再分割を行う手法について論じ、これら方法が有限要素解の精度向上に極めて有効であることを示した。また、オブジェクト指向型の有限要素モデルの考え方をメッシュ生成を含む、プリプロセッシングに応用することにより、実構造物における解析モデル生成が容易になることを示した。

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Papers 【 display / non-display 】

  • Improved Similarity Law for Scaling Dynamic Responses of Stiffened Plates with Distorted Stiffener Configurations

    Zhou, Hongyu, Tetsuo Okada, Yasumi Kawamura, Deyu Wang, and Ginga Hayakawa

    Applied Sciences   14 ( 14 )   6265   2024.7  [Reviewed]

    DOI

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    Language：English   Publishing type：Research paper (scientific journal)   Single Work  

  • An improved scaled model design method for box girders under hogging moment considering the ultimate bending moment and collapse modes

    Hongyang Ma, Yasumi Kawamura, Tetsuo Okada, Deyu Wang, Ginga Hayakawa

    Marine Structures   98 ( 2024 )   103660   2024.7  [Reviewed]

    DOI

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    Language：English   Publishing type：Research paper (scientific journal)   Single Work  

  • A study on the scantling formulae of a stiffener against lateral pressure under the simultaneous action of axial load

    Daoyang Zhang, Zihan Xu, Tetsuo Okada, Yasumi Kawamura, Ginga Hayakawa, Kinya Ishibashi, Hiroyuki K … Show more authors

    Marine Structures   95   2024.3  [Reviewed]

    DOI

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    Language：English   Publishing type：Research paper (scientific journal)   Joint Work  

  • Bisection Constraint Method for Multiple-Loading Conditions in Structural Topology Optimization

    Pham-Truong, Thi, Yasumi Kawamura, Tetsuo Okada

    Applied Sciences   13 ( 24 )   13005   2023.12  [Reviewed]

    DOI

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    Language：English   Publishing type：Research paper (scientific journal)   Joint Work  

  • Uncertainty Analysis Method for Estimating Wave Parameters Based on Ship Responses (1st Report-Influence of the Ship Speed and Uncertainty in the measurement data)

    Chen Xi, Takami Tomoki, Oka Masayosi, Kawamura Yasumi, Okada Tetsuo

    Journal of the Japan Society of Naval Architects and Ocean Engineers   38 ( 0 )   65 - 74   2023.12  [Reviewed]

    DOI CiNii Research

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    Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：The Japan Society of Naval Architects and Ocean Engineers   Joint Work  

    <p>　The main purpose of this paper is to develop a new intrusive method to replace the traditional non-intrusive methods, such as Monte Carlo Simulation (MCS). By using the proposed method, the estimation of the stochastic response surface does not require time consuming multiple simulations, but the uncertainties in wave parameter can be estimated by optimizing the stochastic objective function only once. This study discusses the uncertainty in wave parameters estimated by using the present method when both the transfer function and the measurement data contain uncertainties. The validity of the present method is discussed by comparing its results to the results of uncertainty analyses through the MCS in which solutions of the deterministic problems are collected.</p>

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Review Papers 【 display / non-display 】

  • Analysis of Situation Awareness of Remote Ship Operator Using Simulator

    KAWASHIMA Sonoko, ITOH Hiroko, KAWAMURA Yasumi, OTSUKA Hiroki

    NAVIGATION   223 ( 0 )   21 - 21   2023

    DOI CiNii Research

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    Authorship：Corresponding author   Language：Japanese   Publishing type：Meeting report   Publisher：Japan Institute of Navigation   Joint Work  

  • 国際会議出席報告)第16回国際船舶海洋構造会議(ISSC2006)出席報告

    KANRIN（日本船舶海洋工学会学会誌   ( 9 )   59 - 70   2006.9

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    Language：Japanese   Publishing type：Article, review, commentary, editorial, etc. (scientific journal)   Joint Work  

  • （特集メッシュジェネレーションの技術とその動向）六面体メッシュ生成の現状について

    計算工学   11 ( 2 )   1345 - 1348   2006

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

  • 特集ＣＡＥ、1.3プリポストプロセッサの動向

    TechnoMarine (日本造船学会誌）   ( 876 )   10 - 15   2003.11

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

  • 材料力学教育へのマルチメディアの利用

    川村恭己、角洋一、廣田一博、山田英城

    機械の研究   48 ( 10 )   1011 - 1018   1997

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    Language：Japanese   Publishing type：Article, review, commentary, editorial, etc. (scientific journal)   Joint Work  

    近年注目を集めているマルチメディア技術を用いて制作された材料力学教育ソフトウェアとその効果について解説した。

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Awards 【 display / non-display 】

  • OMAE 2023 CONFERENCE BEST PAPER AWARD

    2024.6   アメリカ機械学会（The American Society of Mechanical Engineers）   Bayesian Updating of Estimated Parameters Representing Multi-Modal Directional Wave Spectrum Using Measured Ship Hull Stresses

    Individual or group name of awards：久保宏美、岡田哲男、陳曦、川村恭己、満行泰河、早川銀河

  • 日本航海学会論文賞

    2024.5   日本航海学会   Analysis of the Situation Awareness of Remote Ship Operation in an Emergency: A Simulation-based Study for Small Ships

    Individual or group name of awards：河島園子、伊藤博子、川村恭己、大塚宙樹

  • 日本船舶海洋工学会論文賞、日本海事協会賞

    2021.5   日本船舶海洋工学会、日本海事協会   大型コンテナ船に生じる弾性振動応答を考慮した疲労強度の簡易推定手法

    Individual or group name of awards：宮下 哲治, 岡田 哲男, 川村 恭己, 関 紀明, 花田 崚

  • 日本機械学会奨励賞(技術)

    1999    

  • 日本造船学会論文賞

    1995    

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

  • 総合的リスクを考慮したライフサイクル構造評価手法に関する研究

    2011.4 - 2014.3

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

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    Grant type：Competitive

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Presentations 【 display / non-display 】

  • Design Principles and Criteria

    E. Rizzuto, J. Downes, M. Radon, G. Egorov, Y. Kawamura, S. O'Neil, R. Skjong, A. Teixeira

    Proc. of the 19th International Ship and offshore Structures Congress (ISSC 2015) 

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    Event date： 2015.9

    Language：English   Presentation type：Oral presentation (general)  

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Preferred joint research theme 【 display / non-display 】

  • 船舶海洋構造物のリスク評価に関わる研究

  • Automatic Mesh Generation

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

  • 2024   Practical Engineering Training in Ocean-Space

    Graduate school of Engineering Science

  • 2024   Overseas Training in Marine and Space System Engineering

    Graduate school of Engineering Science

  • 2024   Industrial Training in Ocean and Space System Engineering

    Graduate school of Engineering Science

  • 2024   Exercise in Systems Design for Ocean-Space D

    Graduate school of Engineering Science

  • 2024   Exercise in Systems Design for Ocean-Space C

    Graduate school of Engineering Science

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Committee Memberships 【 display / non-display 】

  • 日本船舶海洋工学会

    2023.4  理事

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    Committee type：Academic society 

  • 日本船舶海洋工学会東部構造研究会

    2022.4  委員長

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    Committee type：Academic society 

  • 日本船舶海洋工学会

    2017.4  代議員

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    Committee type：Other 

  • 日本船舶海洋工学会東部構造研究会

    2005  委員・

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    Committee type：Other 

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