Sakai Masahiro 酒井政宏

… Alternative Names

酒井政宏サカイマサヒロ

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Researcher Number	30845334
Other IDs
Affiliation (Current)	2025: 大阪大学, 大学院工学研究科, 准教授
Affiliation (based on the past Project Information) *help	2022 – 2023: 大阪大学, 大学院工学研究科, 助教 2021: 大阪大学, 工学研究科, 助教
Review Section/Research Field	Principal Investigator Basic Section 24020:Marine engineering-related Except Principal Investigator Basic Section 24020:Marine engineering-related
Keywords	Principal Investigator 非線形力学系 / 横揺れ同調現象 / 船舶復原性 / 平均化法 / パラメトリック横揺れ / カオス / 周期倍分岐 / 船舶転覆現象 / 対称性喪失分岐 Except Principal Investigator 荒天航行 … More / クリティカルウエーブ法 / 確率論的平均化法 / リスク評価 / 非線形力学系 / 最適制御 / 加速度 / 復原力喪失 / 最適制御理論 / 非損傷時復原性 / ブローチング / 風力推進 / 波乗り / 短波頂不規則波 / カオス制御 / 転覆確率 / 甲板滞留水 / パラメトリック横揺れ / 自動運航船 / stochastic model / automatic steering / short-crested waves / water on deck / chaos control / stability criteria / stochastic approach / autonomous ship / broaching / pure loss of stability / parametric rolling / risk analysis Less

波浪中における船舶転覆の前兆現象である対称性喪失分岐の解明とその理論推定Principal Investigator
- Principal Investigator
  
  酒井政宏
- Project Period (FY)
  2021 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 24020:Marine engineering-related
- Research Institution
  Osaka University
Development of estimation method for capsize risk for an autonomous ship in waves
- Principal Investigator
  
  Umeda Naoya
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 24020:Marine engineering-related
- Research Institution
  Osaka University

All 2023 2022 2021 2020 2019

All Journal Article Presentation

[Journal Article] Theoretical determination of roll angular jerk of ships in irregular beam seas using PDF line integral method2022
- Author(s)
  Atsuo Maki,Leo Dostal,Yuuki Maruyama,Masahiro Sakai,Kei Sugimoto,Yusuke Fukumoto
- Journal Title
  
  Journal of Marine Science and Technology
  
  Volume: 27 Issue: 1 Pages: 163-172
- DOI
  10.1007/s00773-021-00823-z
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] Theoretical determination of asymmetric rolling amplitude in irregular beam seas2022
- Author(s)
  Atsuo Maki, Leo Dostal, Maruyama, Masahiro Sakai, Toru Katayama, Kei Sugimoto, Yusuke Fukumoto, Naoya Umeda
- Journal Title
  
  Journal of Marine Science and Technology
  
  Volume: 27 Issue: 1 Pages: 40-51
- DOI
  10.1007/s00773-021-00810-4
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] Theoretical estimation of joint probability density function of roll angle and angular acceleration in beam seas using PDF line integral method2022
- Author(s)
  Atsuo Maki,Leo Dostal,Yuuki Maruyama,Kenji Sasa,Masahiro Sakai,Kei Sugimoto,Yusuke Fukumoto,Naoya Umeda
- Journal Title
  
  Journal of Marine Science and Technology
  
  Volume: 27 Issue: 1 Pages: 814-822
- DOI
  10.1007/s00773-022-00873-x
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02360, KAKENHI-PROJECT-20H02398
[Journal Article] An investigation into false-negative cases for low-freeboard ships in the vulnerability criteria of dead ship stability2022
- Author(s)
  Satoko Munakata, Kosuke Takagaki, Naoya Umeda, Hiroaki Koike, Masahiro Sakai, Atsuo Maki, Kohei Manabe, Akihiko Matsuda
- Journal Title
  
  Ocean Engineering
  
  Volume: 266 Pages: 113130-113130
- DOI
  10.1016/j.oceaneng.2022.113130
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] Methodology for assessing fundamental parametric roll other than the principal parametric roll2022
- Author(s)
  Uchida, Y, Sakai, M, Umeda, N
- Journal Title
  
  Proceedings of the 18th International Ship Stability Workshop
  
  Volume: 1 Pages: 185-193
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] Nonlinear dynamics of ship capsizing at sea2022
- Author(s)
  Atsuo Maki, Yuu Miino, Naoya Umeda, Masahiro Sakai, Tetsushi Ueta, Hiroshi Kawakami
- Journal Title
  
  NOLTA
  
  Volume: 13 Issue: 1 Pages: 2-24
- DOI
  10.1587/nolta.13.2
- NAID
  130008139273
- ISSN
  2185-4106
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] An investigation into false-negative cases for low freeboard ships in vulnerability criteria of dead ship stability2021
- Author(s)
  Munakata,K. Takagaki, N. Umeda, M. Sakai, H. Koike, A. Maki, K. Manabe, A. Matsuda
- Journal Title
  
  Proceedings of the 1st International Conference on the Stability and Safety of Ships and Ocean Vehicles
  
  Volume: IS15 Pages: 1-10
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] New Aspects of Stochastic Evaluation of Random Roll Motion of Ship2021
- Author(s)
  Atsuo Maki,Leo Dostal,Yuuki Maruyama,Masahiro Sakai,Naoya Umeda
- Journal Title
  
  Proceedings of the 1st International Conference on the Stability and Safety of Ships and Ocean Vehicles
  
  Volume: IS6 Pages: 1-10
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] NUMERICAL INVESTIGATION ON LOSS OF SYMMETRY OF SHIP ROLL MOTION IN BEAM WAVES2021
- Author(s)
  Masahiro Sakai, Atsuo Maki, Naoya Umeda
- Journal Title
  
  Proceedings of the International Conference on PAAMES/AMEC 2021
  
  Volume: -
- Data Source
  KAKENHI-PROJECT-21K14362
[Journal Article] Bifurcation in Roll Response of Uncoupled Parametric Roll Equation and Its Estimation by an Averaging Method2021
- Author(s)
  Masahiro Sakai; Naoya Umeda; Atsuo Maki
- Journal Title
  
  Proceedings of the 1st International Conference on the Stability and Safety of Ships and Ocean Vehicles
  
  Volume: IS12 Pages: 1-10
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] Bifurcation in Roll Response of Uncoupled Parametric Roll Equation and Its Estimation by an Averaging Method2021
- Author(s)
  Masahiro Sakai, Naoya Umeda, Atsuo Maki
- Journal Title
  
  Proceedings of the 1st International Conference on the Stability and Safety of Ships and Ocean Vehicles
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21K14362
[Journal Article] New Theoretical Estimation Method of Roll Acceleration and Jerk in Beam Seas with Use of PDF Line Integral (4th Report: Joint PDF of Roll and Acceleration)2020
- Author(s)
  Atsuo Maki, Leo Dostal, Yuuki Maruyama, Kenji Sasa, Masahiro Sakai, Kei Sugimoto, Yusuke Fukumoto, Naoya Umeda
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 31 Pages: 119-123
- NAID
  40022809052
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] New Theoretical Estimation Method of Roll Acceleration and Jerk in Beam Seas with Use of PDF Line Integral (3rd Report: New Approximation Formula)2020
- Author(s)
  Atsuo Maki, Leo Dostal, Yuuki Maruyama, Masahiro Sakai, Kei Sugimoto, Yusuke Fukumoto, Naoya Umeda
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 31 Pages: 113-117
- NAID
  40022807866
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] Theoretical Estimation of Roll Amplitude for Nonlinear Equation of Motion in Beam Seas (2nd Report)2020
- Author(s)
  Atsuo Maki, Leo Dostal, Yuuki Maruyama, Masahiro Sakai, Toru Katayama, Kei Sugimoto, Yusuke Fukumoto, Naoya Umeda
- Journal Title
  
  日本船舶海洋工学会講演会論文集
  
  Volume: 31 Pages: 153-157
- NAID
  40022808825
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] Theoretical estimation of roll acceleration in beam seas using PDF line integral method2020
- Author(s)
  Maki Atsuo、Dostal Leo、Maruyama Yuuki、Sakai Masahiro、Sugimoto Kei、Fukumoto Yusuke、Umeda Naoya
- Journal Title
  
  Journal of Marine Science and Technology
  
  Volume: online first Issue: 3 Pages: 828-834
- DOI
  10.1007/s00773-020-00770-1
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] Theoretical Estimation of Roll Amplitude for Nonlinear Equation of Motion in Beam Seas2019
- Author(s)
  Atsuo Maki, Leo Dostal, Yuuki Maruyama, Munehiko Minoura, Toru Katayama, Masahiro Sakai, Kei Sugimoto, Yusuke Fukumoto, Naoya Umeda
- Journal Title
  
  日本船舶海洋工学会講演論文集
  
  Volume: 29 Pages: 317-320
- NAID
  40022395484
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] Wave radar application to the simplified parametric roll operational guidance at actual sea2019
- Author(s)
  T. Yano,N. Umeda,K. Hirayama,M. Baba,M. Sakai
- Journal Title
  
  Proceedings of the 17th International Ship Stability Workshop
  
  Volume: 1 Pages: 91-96
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] A perspective on theoretical estimation of stochastic nonlinear rolling2019
- Author(s)
  A. Maki,Y. Maruyama,N. Umeda,Y. Miino,T. Katayama,M. Sakai,T. Ueta
- Journal Title
  
  Proceedings of the 17th International Ship Stability Workshop
  
  Volume: 1 Pages: 39-46
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H02360
[Journal Article] New Theoretical Estimation Method of Roll Acceleration and Jerk in Beam Seas with Use of PDF Line Integral2019
- Author(s)
  Atsuo Maki, Leo Dostal, Yuuki Maruyama, Munehiko Minoura, Toru Katayama, Masahiro Sakai, Kei Sugimoto, Yusuke Fukumoto, Naoya Umeda
- Journal Title
  
  日本船舶海洋工学会講演論文集
  
  Volume: 29 Pages: 311-315
- NAID
  40022395480
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H02360
[Presentation] Recent Results on Wind and Wave Generation, Stability of Parametric Rolling, Moment Methods and Maneuvering Stabilityfor Ship Dynamics in Irregular Seas2023
- Author(s)
  Masahiro Sakai
- Organizer
  19th International Ship Stability Workshop
- Invited
- Data Source
  KAKENHI-PROJECT-21K14362
[Presentation] Some Remarks on Simplified Operational Guidance for Parametric Rolling2022
- Author(s)
  Naoya Umeda, Masahiro Sakai, Hirokazu Okamoto
- Organizer
  日本船舶海洋工学会秋季講演会
- Data Source
  KAKENHI-PROJECT-19H02360
[Presentation] Complex Sequence of Bifurcation and Chaos in Symmetric Softening Duffing’s Equation2022
- Author(s)
  Masahiro Sakai
- Organizer
  Global Conference on Naval Archtecture and Ocean Engineering 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14362
[Presentation] An Averaging Method for Estimating Parametric Roll in Regular Longitudinal Waves by Uncoupled Roll Model with Restoring Variation due to Vertical Motions2022
- Author(s)
  Masahiro Sakai, Naoya Umeda, Atsuo Maki
- Organizer
  日本船舶海洋工学会秋季講演会
- Data Source
  KAKENHI-PROJECT-19H02360
[Presentation] NUMERICAL INVESTIGATION ON LOSS OF SYMMETRY OF SHIP ROLL MOTION IN BEAM WAVES2021
- Author(s)
  Masahiro Sakai
- Organizer
  International Conference on PAAMES/AMEC 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14362
[Presentation] Bifurcation in Roll Response of Uncoupled Parametric Roll Equation and Its Estimation by an Averaging Method2021
- Author(s)
  Masahiro Sakai
- Organizer
  The 1st International Conference on the Stability and Safety of Ships and Ocean Vehicles
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14362

1. Umeda Naoya (20314370)

# of Collaborated Projects: 1 results

# of Collaborated Products: 17 results
2. 松田秋彦 (10344334)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
3. 牧敦生 (50556496)

# of Collaborated Projects: 1 results

# of Collaborated Products: 15 results

Sakai Masahiro 酒井 政宏

酒井 政宏 サカイ マサヒロ

Research Projects

Research Products

Co-Researchers

波浪中における船舶転覆の前兆現象である対称性喪失分岐の解明とその理論推定Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of estimation method for capsize risk for an autonomous ship in waves

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Theoretical determination of roll angular jerk of ships in irregular beam seas using PDF line integral method2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Theoretical determination of asymmetric rolling amplitude in irregular beam seas2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Theoretical estimation of joint probability density function of roll angle and angular acceleration in beam seas using PDF line integral method2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] An investigation into false-negative cases for low-freeboard ships in the vulnerability criteria of dead ship stability2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Methodology for assessing fundamental parametric roll other than the principal parametric roll2022

Author(s)

Journal Title

Data Source

[Journal Article] Nonlinear dynamics of ship capsizing at sea2022

Author(s)

Journal Title

DOI

NAID

ISSN

Language

Data Source

[Journal Article] An investigation into false-negative cases for low freeboard ships in vulnerability criteria of dead ship stability2021

Author(s)

Journal Title

Data Source

[Journal Article] New Aspects of Stochastic Evaluation of Random Roll Motion of Ship2021

Author(s)

Journal Title

Data Source

[Journal Article] NUMERICAL INVESTIGATION ON LOSS OF SYMMETRY OF SHIP ROLL MOTION IN BEAM WAVES2021

Author(s)

Journal Title

Data Source

[Journal Article] Bifurcation in Roll Response of Uncoupled Parametric Roll Equation and Its Estimation by an Averaging Method2021

Author(s)

Journal Title

Data Source

[Journal Article] Bifurcation in Roll Response of Uncoupled Parametric Roll Equation and Its Estimation by an Averaging Method2021

Author(s)

Journal Title

Data Source

[Journal Article] New Theoretical Estimation Method of Roll Acceleration and Jerk in Beam Seas with Use of PDF Line Integral (4th Report: Joint PDF of Roll and Acceleration)2020

Author(s)

Journal Title

NAID

Data Source

[Journal Article] New Theoretical Estimation Method of Roll Acceleration and Jerk in Beam Seas with Use of PDF Line Integral (3rd Report: New Approximation Formula)2020

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Theoretical Estimation of Roll Amplitude for Nonlinear Equation of Motion in Beam Seas (2nd Report)2020

Sakai Masahiro 酒井政宏

酒井政宏サカイマサヒロ