Sakamoto Nobuaki 坂本信晶

… Alternative Names

SAKAMOTO Nobuaki 坂本信晶

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Researcher Number	80550003
Other IDs	https://orcid.org/0000-0001-9267-8369
Affiliation (based on the past Project Information) *help	2024: 国立研究開発法人海上・港湾・航空技術研究所, 海上技術安全研究所, 上席研究員 2019 – 2022: 国立研究開発法人海上・港湾・航空技術研究所, その他部局等, 研究員 2013: 独立行政法人海上技術安全研究所, その他部局等, 主任研究員 2012 – 2013: 独立行政法人海上技術安全研究所, その他部局等, 研究員 2011: 独立行政法人海上技術安全研究所, 実海域性能研究グループ, 研究員 2010: 独立行政法人海上技術安全研究所, 流体設計系, 研究員
Review Section/Research Field	Principal Investigator Basic Section 24020:Marine engineering-related / Naval and maritime engineering Except Principal Investigator Basic Section 24020:Marine engineering-related
Keywords	Principal Investigator CFD / 船体周り流場 / EnTKF / データ同化 / 乱流モデル / RaNS / EnKF / 気泡力学 / 舶用プロペラキャビテーション / 二相流 … More / キャビテーションモデル / 界面捕獲法 / プロペラキャビテーション / 粘性CFD / 有限体積法 / 構造重合格子 / THINC法 / キャビテーション / 舶用プロペラ / RANS / 自由航走シミュレーション / 自由航走 / 操縦性能 / 操縦性能推定 / 数値流体力学 / 計算物理 / 流体力学 / 船舶工学 / 海上安全 / 重合格子 / 推進/運動性能 … More Except Principal Investigator 操縦運動 / コンテナ船 / 運河 / free-run-CFD Less

Study on maneuvering motion and navigation safety of a container ship in canal using free-run-CFD
- Principal Investigator
  
  安川宏紀
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 24020:Marine engineering-related
- Research Institution
  Hiroshima University
Development of data-assimilation system for flow around ships by means of EnTKF and RaNSPrincipal Investigator
- Principal Investigator
  
  坂本信晶
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 24020:Marine engineering-related
- Research Institution
  National Institute of Maritime, Port and Aviation Technology
Development of viscous CFD technique for cavitating propeller using improved interface capturing scheme and cavitation modelingPrincipal Investigator
- Principal Investigator
  
  Sakamoto Nobuaki
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 24020:Marine engineering-related
- Research Institution
  National Institute of Maritime, Port and Aviation Technology
Development of free running simulator using viscous CFDPrincipal Investigator
- Principal Investigator
  
  SAKAMOTO Nobuaki
- Project Period (FY)
  2012 – 2013
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Naval and maritime engineering
- Research Institution
  National Maritime Research Institute
Viscous CFD simulation for ships with large amplitude motions by dynamic overset grid methodPrincipal Investigator
- Principal Investigator
  
  SAKAMOTO Nobuaki
- Project Period (FY)
  2010 – 2011
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Naval and maritime engineering
- Research Institution
  National Maritime Research Institute

All 2023 2022 2021 2020 2019 2014 2012 2011 2010

All Journal Article Presentation

[Journal Article] Adaptation of k-omega SST model for separated turbulent flow using EnKF data assimilation2023
- Author(s)
  Nobuaki Sakamoto, Takanori Hino, Kunihide Ohashi
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 36
- Data Source
  KAKENHI-PROJECT-22K04567
[Journal Article] Parameter estimation for 1-eq./2-eq. turbulence models by EnKF data assimilation: twin experiment with 2D flat plate2023
- Author(s)
  Nobuaki Sakamoto
- Journal Title
  
  Proceedings of the ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE2023)
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K04567
[Journal Article] Fundamental Validation of Cavitation and Interface Capturing Models implemented on NAGISA2021
- Author(s)
  Nobuaki Sakamoto, Kunihide Ohashi
- Journal Title
  
  日本混相流学会　混相流シンポジウム2021 講演論文集
  
  Volume: -
- Data Source
  KAKENHI-PROJECT-19K04872
[Journal Article] CFD based form factor determination method2021
- Author(s)
  Korkmaz Kadir Burak、Werner Sofia、Sakamoto Nobuaki、Queutey Patrick、Deng Ganbo、Yuling Gao、Guoxiang Dong、Maki Kevin、Ye Haixuan、Akinturk Ayhan、Sayeed Tanvir、Hino Takanori、Zhao Feng、Tezdogan Tahsin、Demirel Yigit Kemal、Bensow Rickard
- Journal Title
  
  Ocean Engineering
  
  Volume: 220 Pages: 108451-108451
- DOI
  10.1016/j.oceaneng.2020.108451
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K04872, KAKENHI-PROJECT-18H01638
[Journal Article] Application of "THINC" interface capturing scheme to the structured overset CFD solver2020
- Author(s)
  Nobuaki Sakamoto, Hiroshi Kobayashi, Kunihide Ohashi
- Journal Title
  
  日本混相流学会　混相流シンポジウム2020 講演論文集
  
  Volume: 1 Pages: 1-2
- Data Source
  KAKENHI-PROJECT-19K04872
[Journal Article] Development of URaNS maneuvering simulator and its application to ESSO OSAKA2014
- Author(s)
  Sakamoto N. and Ohashi K.
- Journal Title
  
  Proceedings of 17^<th> Numerical Towing Tank Symposium
  
  Volume: (掲載予定)
- URL
  https://www.uni-due.de/IST/ismt_nutts8
- Data Source
  KAKENHI-PROJECT-24760680
[Journal Article] Viscous CFD simulations of DTMB model 5512 under pure yaw maneuvering motion2012
- Author(s)
  Sakamoto N. and Ohashi K.
- Journal Title
  
  日本船舶海洋工学会秋季講演会講演会論文集
  
  Pages: 197-200
- NAID
  40020070566
- Data Source
  KAKENHI-PROJECT-24760680
[Journal Article] Unsteady wake analysis for Series60 (C_B=0.6) pitching and heaving in regular head seas by RANS2012
- Author(s)
  Sakamoto N. and Ohashi K.
- Journal Title
  
  第26回数値流体力学シンポジウム講演予稿集
- Data Source
  KAKENHI-PROJECT-24760680
[Journal Article] Investigations of design criteria for ships with split-stern by RANS2012
- Author(s)
  Sakamoto N., Kawanami Y. and Shotaro U.
- Journal Title
  
  Proceedings of 15^<th> Numerical Towing Tank Symposium
- URL
  https://www.uni-due.de/IST/ismt_nutts8
- Data Source
  KAKENHI-PROJECT-24760680
[Journal Article] Simulations of ship motions in waves by unstructured grid based RANS solver2012
- Author(s)
  Sakamoto N., Ohashi K. and Hirata N.
- Journal Title
  
  Proceedings of 10^<th> International Conference on Hydrodynamics (ICHD2012)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-24760680
[Journal Article] Analysis of nonlinear/large-amplitude motions of submerged and floating bodies by URANS simulation with moving grid technique2011
- Author(s)
  Sakamoto, N., Ohashi, K., Kobayashi, H. and Hirata, N
- Journal Title
  
  Proceedings of The 25^<th> Computational Fluid Dynamics Symposium, Suita, Japan
- URL
  http://www2.nagare.or.jp/cfd/cfd25/
- Data Source
  KAKENHI-PROJECT-22760644
[Journal Article] Analysis of nonlinear/large-amplitude motions of submerged and floating bodies by URANS simulation with moving grid techniques2011
- Author(s)
  N.Sakamoto, K.Ohashi, H.Kobayashi, N.Hirata
- Journal Title
  
  第25回数値流体力学シンポジウム講演論文集
- Data Source
  KAKENHI-PROJECT-22760644
[Journal Article] URANS simulation of a ship flow with dynamic motion by a moving grid method2010
- Author(s)
  Sakamoto, N. and Hino, T
- Journal Title
  
  Proceedings of The 24^<th> Computational Fluid Dynamics Symposium, Hiyoshi, Japan
- URL
  http://www2.nagare.or.jp/cfd/cfd24/
- Data Source
  KAKENHI-PROJECT-22760644
[Journal Article] URANS simulation of a ship flow with dynamic motion by a moving grid method2010
- Author(s)
  Nobuaki Sakamoto, Takanori Hino
- Journal Title
  
  第24回数値流体力学シンポジウム講演論文集
- Data Source
  KAKENHI-PROJECT-22760644
[Journal Article] Unsteady flow simulations for dynamically-moving 2D and 3D geometries by unstructured grid based RANS solver2010
- Author(s)
  Sakamoto, N. and Hino, T
- Journal Title
  
  Proceedings of The 13^<th> Numerical Towing Tank Symposium, Duisburg, Germany
- URL
  http://www.uni-due.de/IST/ismt_nutts8
- Data Source
  KAKENHI-PROJECT-22760644
[Journal Article] Unsteady flow simulation for dynamically-moving 2D and 3D geometries by unstructured grid based RANS solver2010
- Author(s)
  Nobuaki Sakamoto, Takanori Hino
- Journal Title
  
  Proceedings of the 13^<th> Numerical Towing Tank Symposium
  
  Pages: 118-123
- Data Source
  KAKENHI-PROJECT-22760644
[Presentation] Parameter estimation for 1-eq./2-eq. turbulence models by EnKF data assimilation: twin experiment with 2D flat plate2023
- Author(s)
  Nobuaki Sakamoto
- Organizer
  ASME 2023 42nd International Conference on Ocean, Offshore and Arctic Engineering (OMAE2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K04567
[Presentation] Adaptation of k-omega SST model for separated turbulent flow using EnKF data assimilation2023
- Author(s)
  Nobuaki Sakamoto
- Organizer
  令和5年日本船舶海洋工学会春季講演会
- Data Source
  KAKENHI-PROJECT-22K04567
[Presentation] Preliminary Study of Parameter Estimation for Turbulence Models by EnKF Data Assimilation2022
- Author(s)
  Nobuaki Sakamoto
- Organizer
  西部支部性能研究会ワークショップ WETNAOE2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K04567
[Presentation] Fundamental Validation of Cavitation and Interface Capturing Models implemented on NAGISA2021
- Author(s)
  Nobuaki Sakamoto
- Organizer
  混相流シンポジウム2021
- Data Source
  KAKENHI-PROJECT-19K04872
[Presentation] Application of "THINC" interface capturing scheme to the structured overset CFD solver2020
- Author(s)
  Nobuaki Sakamoto
- Organizer
  混相流シンポジウム2020
- Data Source
  KAKENHI-PROJECT-19K04872
[Presentation] Overset RaNS Computation of Flow around Bulk Carrier with ESD in Full Scale and its Validation2019
- Author(s)
  Nobuaki Sakamoto, Hiroshi Kobayashi and Kunihide Ohashi
- Organizer
  令和元年日本船舶海洋工学会秋季講演会
- Data Source
  KAKENHI-PROJECT-19K04872
[Presentation] Estimation of Flows around a Full-Scale Ship by Structured Overset RaNS Code “NAGISA”2019
- Author(s)
  Nobuaki Sakamoto, Hiroshi Kobayashi and Kunihide Ohashi
- Organizer
  11th International Workshop on Ship and Marine Hydrodynamics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K04872
[Presentation] Development of URaNS maneuvering simulator and its application to ESSO OSAKA2014
- Author(s)
  Sakamoto N. and Ohashi K.
- Organizer
  17^<th> Numerical Towing Tank Symposium
- Place of Presentation
  Marstrand, Sweden(発表予定)
- Data Source
  KAKENHI-PROJECT-24760680
[Presentation] Development of URANS maneuvering simulator and its application to ESSO OSAKA2014
- Author(s)
  Nobuaki SAKAMOTO and Kunihide OHASHI
- Organizer
  17th Numerical Towing Tank Symposium
- Place of Presentation
  Marstrand, Sweden
- Data Source
  KAKENHI-PROJECT-24760680
[Presentation] Simulations of Ship Motions in Waves by Unstructured Grid based RANS Solver2012
- Author(s)
  Nobuaki SAKAMOTO, Kunihide OHASHI and Nobuyuki HIRATA
- Organizer
  10th International Conference on Hydrodynamics
- Place of Presentation
  St.Petersburg, Russia
- Data Source
  KAKENHI-PROJECT-24760680
[Presentation] Unsteady wake analysis for Series60 (CB=0.6) pitching and heaving in regular head seas by URANS2012
- Author(s)
  Nobuaki SAKAMOTO and Kunihide OHASHI
- Organizer
  第２６回数値流体力学シンポジウム
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-24760680
[Presentation] Investigations of Design Criteria for Ships with Split-Stern by RANS2012
- Author(s)
  Nobuaki SAKAMOTO, Yasutaka KAWANAMI and Shotaro UTO
- Organizer
  15th Numerical Towing Tank Symposium
- Place of Presentation
  Cortona, Italy
- Data Source
  KAKENHI-PROJECT-24760680
[Presentation] Unsteady wake analysis for Series60 (C_B=0.6) pitching and heaving in regular head seas by RANS2012
- Author(s)
  Sakamoto N. and Ohashi K.
- Organizer
  第26回数値流体力学シンポジウム
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-24760680
[Presentation] Viscous CFD Simulations of DTMB model 5512 under　Pure Yaw Maneuvering Motion2012
- Author(s)
  Nobuaki SAKAMOTO and Kunihide OHASHI
- Organizer
  日本船舶海洋工学会秋季講演会
- Place of Presentation
  千葉
- Data Source
  KAKENHI-PROJECT-24760680
[Presentation] Simulations of ship motions in waves by unstructured grid based RANS solver2012
- Author(s)
  Sakamoto N., Ohashi K. and Hirata N.
- Organizer
  10^<th> International Conference on Hydrodynamics (ICHD2012)
- Place of Presentation
  St.Petersburg, Russia
- Data Source
  KAKENHI-PROJECT-24760680
[Presentation] Investigations of design criteria for ships with split-stern by RANS2012
- Author(s)
  Sakamoto N., Kawanami Y. and Shotaro U.
- Organizer
  15^<th> Numerical Towing Tank Symposium
- Place of Presentation
  Cortona, Italy
- Data Source
  KAKENHI-PROJECT-24760680
[Presentation] Viscous CFD simulations of DTMB model 5512 under pure yaw maneuvering motion2012
- Author(s)
  Sakamoto N. and Ohashi K.
- Organizer
  日本船舶海洋工学会秋季講演会
- Place of Presentation
  千葉
- Data Source
  KAKENHI-PROJECT-24760680
[Presentation] Analysis of nonlinear/large-amplitude motions of submerged and floating bodies by URANS simulation with moving grid technique2011
- Author(s)
  Sakamoto, N., Ohashi, K., Kobayashi, H. and Hirata, N
- Organizer
  The 25^<th> Computational Fluid Dynamics Symposium
- Place of Presentation
  Suita, Japan
- Data Source
  KAKENHI-PROJECT-22760644
[Presentation] Analysis of nonlinear/large-amplitude motions of submerged and floating bodies by URANS simulation with moving grid techniques2011
- Author(s)
  坂本信晶
- Organizer
  第25回数値流体力学シンポジウム
- Place of Presentation
  大阪大学吹田キャンパス
- Year and Date
  2011-12-21
- Data Source
  KAKENHI-PROJECT-22760644
[Presentation] Unsteady flow simulations for dynamically-moving 2D and 3D geometries by unstructured grid based RANS solver2010
- Author(s)
  Sakamoto, N. and Hino, T
- Organizer
  The 13^<th> Numerical Towing Tank Symposium
- Place of Presentation
  Duisburg, Germany
- Data Source
  KAKENHI-PROJECT-22760644
[Presentation] URANS simulation of a ship flow with dynamic motion by a moving grid method2010
- Author(s)
  坂本信晶
- Organizer
  第24回数値流体力学シンポジウム
- Place of Presentation
  慶應大学日吉キャンパス
- Year and Date
  2010-12-20
- Data Source
  KAKENHI-PROJECT-22760644
[Presentation] Unsteady flow simulation for dynamically-moving 2D and 3D geometries by unstructured grid based RANS solver2010
- Author(s)
  坂本信晶
- Organizer
  第14回推進性能・運動性能合同研究会(日本船舶海洋工学会)
- Place of Presentation
  横浜波止場会館
- Year and Date
  2010-10-19
- Data Source
  KAKENHI-PROJECT-22760644
[Presentation] Unsteady flow simulation for dynamically-moving 2D and 3D geometries by unstructured grid based RANS solver2010
- Author(s)
  坂本信晶
- Organizer
  The 13^<th> Numerical Towing Tank Symposium
- Place of Presentation
  Duisburg, Germany
- Year and Date
  2010-10-11
- Data Source
  KAKENHI-PROJECT-22760644
[Presentation] URANS simulation of a ship flow with dynamic motion by a moving grid method2010
- Author(s)
  Sakamoto, N. and Hino, T
- Organizer
  Proc. The 24^<th> Computational Fluid Dynamics Symposium
- Place of Presentation
  Hiyoshi, Japan
- Data Source
  KAKENHI-PROJECT-22760644

1. OHASHI Kunihide

# of Collaborated Projects: 2 results

# of Collaborated Products: 12 results
2. 安川宏紀 (40363022)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 松田秋彦 (10344334)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 佐野将昭 (40582763)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 児玉良明

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

Sakamoto Nobuaki 坂本 信晶

SAKAMOTO Nobuaki 坂本 信晶

Research Projects

Research Products

Co-Researchers

Study on maneuvering motion and navigation safety of a container ship in canal using free-run-CFD

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of data-assimilation system for flow around ships by means of EnTKF and RaNSPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of viscous CFD technique for cavitating propeller using improved interface capturing scheme and cavitation modelingPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of free running simulator using viscous CFDPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Viscous CFD simulation for ships with large amplitude motions by dynamic overset grid methodPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Journal Article] Adaptation of k-omega SST model for separated turbulent flow using EnKF data assimilation2023

Author(s)

Journal Title

Data Source

[Journal Article] Parameter estimation for 1-eq./2-eq. turbulence models by EnKF data assimilation: twin experiment with 2D flat plate2023

Author(s)

Journal Title

Data Source

[Journal Article] Fundamental Validation of Cavitation and Interface Capturing Models implemented on NAGISA2021

Author(s)

Journal Title

Data Source

[Journal Article] CFD based form factor determination method2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Application of "THINC" interface capturing scheme to the structured overset CFD solver2020

Author(s)

Journal Title

Data Source

[Journal Article] Development of URaNS maneuvering simulator and its application to ESSO OSAKA2014

Author(s)

Journal Title

URL

Data Source

[Journal Article] Viscous CFD simulations of DTMB model 5512 under pure yaw maneuvering motion2012

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Unsteady wake analysis for Series60 (C_B=0.6) pitching and heaving in regular head seas by RANS2012

Author(s)

Journal Title

Data Source

[Journal Article] Investigations of design criteria for ships with split-stern by RANS2012

Author(s)

Journal Title

URL

Data Source

[Journal Article] Simulations of ship motions in waves by unstructured grid based RANS solver2012

Author(s)

Journal Title

Data Source

[Journal Article] Analysis of nonlinear/large-amplitude motions of submerged and floating bodies by URANS simulation with moving grid technique2011

Sakamoto Nobuaki 坂本信晶

SAKAMOTO Nobuaki 坂本信晶