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J-GLOBAL ID：200901042845721494   Update date: Sep. 15, 2024

Ohashi Kunihide

オオハシ クニヒデ | Ohashi Kunihide
Affiliation and department：
National Maritime Research Institute Fluids Engineering and Ship Performance Evaluation Department

About National Maritime Research Institute Fluids Engineering and Ship Performance Evaluation Department


Job title： Deputy Director
Research field  (2)： Marine and maritime engineering ,  Fluid engineering
Research keywords  (2)： Turbulence model, LevelSet, FreeSurface, Wave motion, Overset method, Two phase flow ,  Turbulence model, LevelSet, FreeSurface, Wave motion, Overset method, Two phase flow
Research theme for competitive and other funds  (10)：
  • 2019 - 2022 Extreme Value Prediction Method of Combined Load Response in a Ship Using KL Expansion Based Wave Representation and Reduced Order Model
  • 2019 - 2022 Development of numerical method for liquid movement inside of tank and strongly coupling with ship motion and structural response at an actual sea condition
  • 2016 - 2020 実船の流場計測等による船舶の高度性能評価システムの構築のための調査研究業務
  • 2016 - 2019 Development of Numerical Simulation Method for Estimation of Complex Behavior about a Ship in Actual Sea
  • 2013 - 2015 省エネ付加物性能評価のための流場データベースの構築とCFD解析ガイドラインの策定
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Papers (26)：
  • Ryosuke Suzuki, Kunihide Ohashi, Michio Ueno. Estimation of steady wave forces and moment acting on an obliquely moving ship in short waves, and its application in a manoeuvring simulation. Applied Mathematical Modelling. 2024
  • Nobuaki Sakamoto, Kunihide Ohashi, Hiroshi Kobayashi, Takanori Hino. Overset RaNS simulations and validations for the effect of false bottom to the KCS under static drift and static rudder in shallow water. Journal of Marine Science and Technology. 2023
  • Nobuaki Sakamoto, Takuya Ohmori, Kunihide Ohashi, Hiroshi Kobayashi. False bottoms revisited: computational study for KCS under pure yaw motion in shallow water (H/T = 1.2). Journal of Marine Science and Technology. 2022
  • Jennie Andersson, Alex Abolfazl Shiri, Rickard E. Bensow, Jin Yixing, Wu Chengsheng, Qiu Gengyao, Ganbo Deng, Patrick Queutey, Yan Xing-Kaeding, Peter Horn, et al. Ship-scale CFD benchmark study of a pre-swirl duct on KVLCC2. Applied Ocean Research. 2022. 123. 103134-103134
  • Sakamoto, N, Suzuki, R, Ohmori, T, Kobayashi, H, Ohashi, K. CFD Based Turning Circle Maneuvering Simulation for a Merchant Ship with High-lift Rudder. ISOPE 2021. 2021
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MISC (8)：
  • Masanari Kagamisono, Hironori Yasukawa, Nobuaki Sakamoto, Kunihide Ohashi, Takuya Omori, Akihiko Matsuda, Ryusuke Okuda, Masaaki Sano. Ship turning simulations in shallow water using a Free-Run CFD. Conference Proceedings The Japan Society of Naval Architects and Ocean Engineers. 2023. 37. 401-409
  • Nobuaki Sakamoto, Takanori Hino, Kunihide Ohashi. Adaptation of a parameter in k-omega SST model for separated turbulent flow using EnKF data assimilation. Conference Proceedings The Japan Society of Naval Architects and Ocean Engineers. 2023. 36. 79-85
  • Katsunao Takahashi, Yoshitaka Furukawa, Takuya Ohmori, Nobuaki Sakamoto, Kunihide Ohashi, Hiroshi Ibaragi. Hydrodynamic Forces Acting on Hull and Rudder of Ship Drifting in Narrow Waterway under Wind Disturbance. Conference Proceedings The Japan Society of Naval Architects and Ocean Engineers. 2022. 35. 323-326
  • Takuya Ohmori, Nobuaki Sakamoto, Kunihide Ohashi. CFD Calculation Method of Fluid Force during Turning Motion in Narrow Waterway. Conference Proceedings The Japan Society of Naval Architects and Ocean Engineers. 2022. 35. 373-376
  • Nobuaki Sakamoto, Ryosuke Suzuki, Takuya Ohmori, Toru Nakanishi, Kunihide Ohashi. Viscous CFD Estimation of Rudder-related Parameters in MMG model for a Ship with Flap Rudder. Conference Proceedings The Japan Society of Naval Architects and Ocean Engineers. 2022. 35. 367-372
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Lectures and oral presentations  (84)：
  • Numerical simulation of turning motion in regular head waves
    (第36回数値流体力学シンポジウム 2022)
  • Numerical simulation for ship motion of a damaged ship in beam sea
    (第36回数値流体力学シンポジウム 2022)
  • 流体構造連成による波浪中での船体運動と応力解析
    (第36回数値流体力学シンポジウム 2022)
  • Viscous CFD Estimation of Rudder-related Parameters in MMG model for a Ship with Flap Rudder
    (日本船舶海洋工学会秋季講演会論文集 2022)
  • 舵表面圧力の積分で得られる舵直圧力に関する実験的検証
    (日本船舶海洋工学会秋季講演会論文集 2022)
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Education (3)：
  • - 2001 Kyushu University
  • - 1998 九州大学大学院 工学研究科 船舶海洋システム工学専攻 修士課程修了
  • - 1996 Kyushu University School of Engineering
Professional career (1)：
  • Dr. Engineering (Kyushu University)
Work history (8)：
  • 2023/04 - 現在 Fluids Engineering and Ship Performance Evaluation Department Deputy Director
  • 2018/04 - 2023/03 Fluids Engineering and Ship Performance Evaluation Department CFD Research Group Head of CFD Research Group
  • 2010 - 2018 Fluid Engineering and Evaluation Ship Performance Department CFD Research Group
  • 2009 - 2010 Ecole Centrale de Nantes
  • 2008 - 2010 CFD研究開発センター 主任研究員
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Committee career (6)：
  • 2021/07 - 現在 日本船舶海洋工学会 東部支部運営委員会委員
  • 2022/10 - 2023/06 日本船舶海洋工学会 春季講演会実行委員
  • 2021/06 - 2021/11 日本船舶海洋工学会 秋季講演会実行委員
  • 2015 - 2017 日本船舶海洋工学会 推進・運動性能研究会 庶務幹事
  • 2015 - 2017 日本船舶海洋工学会 分野研究企画部会委員
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Awards (2)：
  • 2017 - 日本船舶海洋工学会 日本船舶海洋工学会賞(発明考案等)
  • 2012 - 国土交通省 国土交通大臣表彰 「発明考案」[次世代の船舶用CFDソフトウェアシステムの開発]
Association Membership(s) (2)：
THE JAPAN SOCIETY OF FLUID MECHANICS ,  日本船舶海洋工学会
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