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ONISHI Junya  大西 順也

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Onishi Junya  大西 順也

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Researcher Number 20376495
Affiliation (Current) 2026: 国立研究開発法人理化学研究所, 計算科学研究センター, 研究員
Affiliation (based on the past Project Information) *help 2022 – 2025: 国立研究開発法人理化学研究所, 計算科学研究センター, 研究員
2016 – 2021: 東京大学, 生産技術研究所, 特任助教
Review Section/Research Field
Principal Investigator
Basic Section 60100:Computational science-related / Computational science
Keywords
Principal Investigator
流体工学 / 混相流 / ハイパフォーマンス・コンピューティング / 微細構造 / 濡れ / DeepONet / PINN / 機械学習 / 数値流体工学 / 最適化 / 熱工学 / 相変化
  • Research Projects

    (4 results)
  • Research Products

    (14 results)
  •  Development of a Physics-Informed Neural Network Framework to Support CFD SimulationsPrincipal Investigator

    • Principal Investigator
      大西 順也
    • Project Period (FY)
      2025 – 2027
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 60100:Computational science-related
    • Research Institution
      Institute of Physical and Chemical Research
  •  微細構造による濡れ性の制御に向けた大規模数値シミュレーションとトポロジー最適化Principal Investigator

    • Principal Investigator
      大西 順也
    • Project Period (FY)
      2022 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 60100:Computational science-related
    • Research Institution
      Institute of Physical and Chemical Research
  •  Numerical Simulation and Modelling of Wetting Phenomena on Surfaces with Micro/Nano-StructuresPrincipal Investigator

    • Principal Investigator
      Onishi Junya
    • Project Period (FY)
      2019 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 60100:Computational science-related
    • Research Institution
      Institute of Physical and Chemical Research
      The University of Tokyo
  •  Large-scale simulation of boiling heat transfer mechanismsPrincipal Investigator

    • Principal Investigator
      Onishi Junya
    • Project Period (FY)
      2016 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Computational science
    • Research Institution
      The University of Tokyo

All 2023 2022 2021 2019 2017 2016

All Presentation

  • [Presentation] Capillary flow in open microchannels with rectangular cross-sections: a numerical study2023

    • Author(s)
      Junya Onishi
    • Organizer
      76th Annual Meeting of the Division of Fluid Dynamics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K12058
  • [Presentation] Capillary flow in open microchannels with rectangular cross-sections: a numerical study2023

    • Author(s)
      Junya Onishi
    • Organizer
      76th Annual Meeting of the Division of Fluid Dynamics
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K11999
  • [Presentation] Numerical simulation of droplet impact using a contact-line friction model2023

    • Author(s)
      Junya Onishi
    • Organizer
      14th Asian Computational Fluid Dynamics Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K11999
  • [Presentation] Numerical simulation of droplet impact using a contact-line friction model2023

    • Author(s)
      Junya Onishi
    • Organizer
      14th Asian Computational Fluid Dynamics Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K12058
  • [Presentation] Numerical Study on the Effect of Cross-sectional Shape on the Capillary Flow in Microchannels2022

    • Author(s)
      J. Onishi and N. Shikazono
    • Organizer
      13th Asian Computational Fluid Dynamics Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K11999
  • [Presentation] Numerical Study on the Effect of Cross-sectional Shape on the Capillary Flow in Microchannels2022

    • Author(s)
      J. Onishi and N. Shikazono
    • Organizer
      13th Asian Computational Fluid Dynamics Conference
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-22K12058
  • [Presentation] 矩形微細流路内のキャピラリー流れに関する数値解析2021

    • Author(s)
      大西 順也,鹿園 直毅
    • Organizer
      日本機械学会 熱工学コンファレンス2021
    • Data Source
      KAKENHI-PROJECT-19K11999
  • [Presentation] Validation of Numerical Simulation of Drop Motion on Surfaces with Micro Patterns2019

    • Author(s)
      Junya Onishi, Naoki Shikazono
    • Organizer
      Proceedings of ASME-JSME-KSME Joint Fluids Engineering Conference 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-19K11999
  • [Presentation] Validation of Numerical Simulation of Drop Motion on Surfaces with Micro Patterns2019

    • Author(s)
      Junya Onishi, Naoki Shikazono
    • Organizer
      Proceedings of ASME-JSME-KSME Joint Fluids Engineering Conference 2019
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-16K05036
  • [Presentation] LW-ACMにおける物体壁面境界の取り扱い方法に関する比較検討2017

    • Author(s)
      大西 順也, 阿部 圭晃, 野々村 拓, 青野 光
    • Organizer
      第30回計算力学講演会
    • Data Source
      KAKENHI-PROJECT-16K05036
  • [Presentation] Performance analysis and tuning of the link-wise artificial compressibility method on multi-/many-core platforms2017

    • Author(s)
      Junya Onishi, Yoshiaki Abe, Taku Nonomura, Hikaru Aono
    • Organizer
      14th International Conference for Mesoscopic Methods in Engineering and Science
    • Data Source
      KAKENHI-PROJECT-16K05036
  • [Presentation] A CARTESIAN GRID METHOD FOR NUMERICAL SIMULATION OF TWO-PHASE FLOW IN A CAPILLARY TUBEWITH ARBITRARY GEOMETRY2017

    • Author(s)
      Junya Onishi, Masashi Saito, Naoki Shikazono
    • Organizer
      Asian Conference on Thermal Sciences
    • Data Source
      KAKENHI-PROJECT-16K05036
  • [Presentation] 細管内二相流の数値計算における気泡形状の精度評価2016

    • Author(s)
      齊藤正士, 大西順也, 鹿園直毅
    • Organizer
      第30回数値流体力学シンポジウム
    • Place of Presentation
      タワーホール船堀(東京)
    • Year and Date
      2016-12-12
    • Data Source
      KAKENHI-PROJECT-16K05036
  • [Presentation] LWACM (link-wise artificial compressibility method)のマクロ変数での計算機への実装とそのアルゴリズム理解2016

    • Author(s)
      大西順也, 阿部圭晃, 野々村拓, 青野光
    • Organizer
      第29回計算力学講演会
    • Place of Presentation
      名古屋大学(名古屋)
    • Year and Date
      2016-09-22
    • Data Source
      KAKENHI-PROJECT-16K05036

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