Rchr
J-GLOBAL ID：201901011152835288
Update date: Oct. 01, 2024
Sakai Masahiro
サカイ マサヒロ | Sakai Masahiro
Affiliation and department：
Job title：
Associate Professor
Homepage URL (2)：
http://www.naoe.eng.osaka-u.ac.jp/naoe/naoe5/jp/
,
http://www.naoe.eng.osaka-u.ac.jp/naoe/naoe5/en/
Research field (1)：
Marine and maritime engineering
Research keywords (4)：
Marine Acoustics
, Ship-Radiated Underwater Noise
, Nonlinear Dynamical System
, Ship Stability
Research theme for competitive and other funds (4)：
- 2021 - 2025 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
- 2019 - 2023 Development of estimation method for capsize risk for an autonomous ship in waves
- 2015 - 2019 Development of ship performance prediction methods for environmental regulation and stability criteria
- 2012 - 2015 Development of ship stability assessment procedures in waves by taking operational aspects into account
Papers (18)：
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Chika YAMADA, Toshio TSUCHIYA, Etsuro SHIMIZU, Masahiro SAKAI. Sound Propagation Simulation to Estimate Ship Noise Source Levels and the Area of Effect on Marine Mammals Calculated by Underwater Hydrophones. Journal of Marine Acoustic Society of Japan. 2024. 51. 1. 31-42
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Atsuo Maki, Masahiro Sakai, Tetsushi Ueta. Review of the analytical prediction method of surf-riding threshold in following sea, and its relation to IMO Second-Generation Intact Stability Criteria. Nonlinear Theory and Its Applications, IEICE. 2024. 15. 3. 588-617
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Masahiro Sakai, Reo Haga, Toshio Tsuchiya, Tomonari Akamatsu, Naoya Umeda. Statistical analysis of measured underwater radiated noise from merchant ships using ship operational and design parameters. The Journal of the Acoustical Society of America. 2023. 154. 2. 1095-1105
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Takehiro Yano, Naoya Umeda, Keiichi Hirayama, Mitsunori Baba, Masahiro Sakai. Wave Radar Application to the Simplified Parametric Roll Operational Guidance at Actual Sea. Contemporary Ideas on Ship Stability. 2023. 323-333
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Satoko Munakata, Kosuke Takagaki, Naoya Umeda, Hiroaki Koike, Masahiro Sakai, Atsuo Maki, Kohei Manabe, Akihiko Matsuda. An investigation into false-negative cases for low-freeboard ships in the vulnerability criteria of dead ship stability. Ocean Engineering. 2022. 266. 113130-113130
ｍore...
MISC (46)：
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Masahiro Sakai. Automatic Classification of Underwater Sounds Measured Under a Shipping Lane Using Machine Learning and its Validation with AIS Data. Paper presented at the 34th International Ocean and Polar Engineering Conference. 2024
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酒井政宏, 森川瞭. Numerical Study of Effects of Constant Heel on Maximum Angle of Parametric Roll. 日本船舶海洋工学会講演会論文集(CD-ROM). 2024. 38
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藤原大, 酒井政宏, 勝村佳司, 牧敦生. Consideration of Effect of Natural Roll Period on Parametric Roll in Long-Crested Irregular Waves Using a Stochastic Averaging Method. 日本船舶海洋工学会講演会論文集(CD-ROM). 2024. 38
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山田知佳, 土屋利雄, 清水悦郎, 酒井政宏. 代表的な音速プロファイルを持つ海域における船舶雑音の伝搬シミュレーション 伝船舶雑音が海生哺乳動物に与える影響の検討. 超音波Techno. 2024. 36. 2. 84-90
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Chika Yamada, Toshio Tsuchio, Etsuro Shimizu, Masahiro Sakai. Simulation result of the effects of radiation noise from long-distance ships on marine mammals. INTER-NOISE and NOISE-CON Congress and Conference Proceedings. 2023. 268. 6. 2133-2139
ｍore...
Lectures and oral presentations (19)：
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Automatic Classification of Underwater Sounds Measured Under a Shipping Lane Using Machine Learning and its Validation with AIS Data
(The 34th International Ocean and Polar Engineering Conference 2024)
-
Validation of estimated underwater radiated noise propagation from a ship using the parabolic equation method by underwater sound measurements in actual sea
(INTER-NOISE and NOISE-CON Congress and Conference Proceedings 2023)
-
Introduction of International discussion on underwater radiated noise from ships and its measuement under projects in Japan
(2023)
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Recent Results on Wind and Wave Generation, Stability of Parametric Rolling, Moment Methods and Maneuvering Stability for Ship Dynamics in Irregular Seas
(Proceedings of the 19th International Ship Stability Workshop 2023)
-
Research on Distinction of Underwater Radiated Noise from a Ship Using CNN
(日本船舶海洋工学会講演会論文集(CD-ROM) 2023)
ｍore...
Education (3)：
- - 2019 Osaka University Graduate School, Division of Engineering
- - 2016 Osaka University Graduate School, Division of Engineering
- - 2014 Osaka University Faculty of Engineering
Professional career (1)：
- PhD. (Eng.) (Osaka University)
Work history (2)：
- 2024/10 - 現在 Osaka University Graduate School of Engineering Division of Global Architecture Associate Professor
- 2019/04 - 2024/10 Osaka University Graduate School of Engineering Division of Global Architecture Assistant Professor
Committee career (2)：
- 2023 - 現在 一般財団法人 日本船舶技術研究協会 目標指向型復原性基準プロジェクト 委員
- 2022 - 現在 一般財団法人 日本船舶技術研究協会 水中騒音対策検討プロジェクト 委員
Awards (2)：
- 2024/06 - Marine Acoustics Society of Japan Best Paper Award
- 2022/11 - Osaka University Osaka University Prize
Association Membership(s) (2)：
Marine Acoustics Society of Japan
, The Japan Society of Naval Architects and Ocean Engineering
