Research on MDO of ship propulsion shafting dynamics considering the coupling effect of a propeller-shafting-hull system

• Autorzy: Liu Jinlin , Gu Zheng , Liu Shuyong

Identyfikatory

DOI

10.2478/pomr-2023-0009

• Języki publikacji: EN

Abstrakty

EN

Dynamic designs for ship propulsion shafting can be categorised as complex multi-disciplinary coupling systems. The traditional single disciplinary optimisation design method has become a bottleneck, restricting the further improvement of shafting design. In this paper, taking a complex propulsion shafting as the object, a dynamic analysis model of the propeller-shafting-hull system was established. In order to analyse the coupling effect of propeller hydrodynamics on shafting dynamics, the propeller’s hydrodynamic force in the wake flow field was calculated as the input for shafting alignment and vibration analysis. On this basis, the discipline decomposition and analysis of the subdisciplines in design of shafting dynamics were carried out. The coupling relationships between design variables in the subdisciplines were studied and the Multi-disciplinary Design Optimisation (MDO) framework of shafting dynamics was established. Finally, taking the hollowness of the shaft segments and the vertical displacement of bearings as design variables, combined with the optimal algorithm, the MDO of shafting dynamics, considering the coupling effect of the propellershafting-hull system, was realised. The results presented in this paper can provide a beneficial reference for improving the design quality of ship shafting.

Słowa kluczowe

EN

ship propulsion shafting; dynamic modelling; shafting alignment; shafting vibration; multi-disciplinary design optimisation

• Wydawca: Gdańsk University of Technology, Faculty of Ocean Engineering & Ship Technology
• Czasopismo: Polish Maritime Research
• Rocznik: 2023
• Tom: nr 1
• Strony: 86--97
• Opis fizyczny: Bibliogr. 21 poz., rys., tab.

Twórcy

autor

Liu Jinlin

• Naval University of Engineering, College of Power Engineering, Wuhan, China

• https://orcid.org/0009-0002-0860-2586

autor

Gu Zheng

• Naval University of Engineering, College of Power Engineering, Wuhan, China

• https://orcid.org/0000-0002-0633-9019

autor

Liu Shuyong

• Naval University of Engineering, College of Power Engineering, Wuhan, China

• https://orcid.org/0000-0003-2863-4059

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).