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J-GLOBAL ID：200901042845721494   Update date: Mar. 20, 2025

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  (12)：
  • 2024 - 2027 Construction of a maneuvering motion model for ships navigating through canals, based on flow field simulation.
  • 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
Show all
Papers (25)：
  • Nobuaki Sakamoto, Takanori Hino, Hiroshi Kobayashi, Kunihide Ohashi. Parameter adaptation of k - ω SST turbulence model for improving resolution of moderately separated flows around 2D wing and 3D ship hulls via EnKF data assimilation. Journal of Marine Science and Technology. 2024. 29. 4. 885-909
  • Ohashi, K., Kawakita, C., Takahashi, C., Masuda, A., Kawai, Y. A Simplified Hybrid Method on Estimation for Dilution Rate from Scrubber Outlet at Full-Scale Conditions using RaNS Simulation. 34th International Ocean and Polar Engineering Conference (ISOPE 2024). 2024
  • 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
ｍore...
Lectures and oral presentations  (97)：
  • DUAL SINGLE-PHASE APPROACH FOR COMPUTING BOTH WATER AND AIR FLOW AROUND A SHIP
    (15th International Conference on Hydrodynamics 2024)
  • 重合格子による有限体積法と格子ボルツマン法のハイブリッド法へのフルマルチグリッド手法の適用について
    (日本流体力学会 年会2024 2024)
  • OVERSET-GRIDS METHOD FOR FLOW COMPUTATION ON COMPLEX GEOMETRY AND ITS PERFORMANCE IMPROVEMENT WITH HYBRID PARALLELIZATION USING SHARED MEMORY AND DISTRIBUTED MEMORY TECHNIQUES
    (ECCOMAS 2024 2024)
  • 狭水路を斜航する船体流体力へのroll運動影響について
    (日本船舶海洋工学会秋季講演会論文集 2024)
  • 回転円筒を模擬したCFD計算による摩擦抵抗に対する表面粗度の影響調査
    (日本船舶海洋工学会春季講演会 2024)
ｍore...
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
Show all
Committee career (8)：
  • 2021/07 - 2025/05 日本船舶海洋工学会 東部支部運営委員会委員
  • 2024/06 - 2024/11 日本船舶海洋工学会 秋季講演会実行委員
  • 2022/05 - 2023/11 PAAMES/AMEC 2023 実行委員
  • 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
Show all
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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