Automatic Calculation Method for Mechanical Load of Full Rotation Crane Ship Based on Flow Function Theory

Lv, T. and Du, H., 2020. Automatic calculation method for mechanical load of full rotation crane ship based on flow function theory. In: Yang, Y.; Mi, C.; Zhao, L., and Lam, S. (eds.), Global Topics and New Trends in Coastal Research: Port, Coastal and Ocean Engineering. Journal of Coastal Research,...

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Bibliographic Details
Published in:Journal of coastal research 2020-06, Vol.103 (sp1), p.412-416
Main Authors: Lv, Tingqin, Du, Haixia
Format: Article
Language:English
Subjects:
automatic calculation
Coastal engineering
Coastal inlets
Coastal research
Coasts
crane
Cranes
Flow
Flow function
full rotation
Irregular waves
mechanical load
Mechanical properties
Methods
Nonlinear waves
nonlinearity
Ocean engineering
OEAN MACHINERY AND ENGINEERING
Offshore engineering
Rotation
Ships
Theories
Towing
Wave forces
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Summary:Lv, T. and Du, H., 2020. Automatic calculation method for mechanical load of full rotation crane ship based on flow function theory. In: Yang, Y.; Mi, C.; Zhao, L., and Lam, S. (eds.), Global Topics and New Trends in Coastal Research: Port, Coastal and Ocean Engineering. Journal of Coastal Research, Special Issue No. 103, pp. 412–416. Coconut Creek (Florida), ISSN 0749-0208. In view of the poor accuracy of the traditional calculation method for the mechanical load of the full rotation crane ship, an automatic calculation method for the mechanical load of the full rotation crane ship based on the flow function theory is proposed. Based on the hydrodynamic model and flow function theory, the motion response of the super large full rotation crane ship Lanjing in irregular waves is calculated. Based on Morison equation and current function theory, the nonlinear wave mechanical load of the full rotation crane ship is calculated. The calculation results show that the method can accurately calculate the mechanical load of Lanjing. It can be concluded that with the decrease of the diameter of Lanjing pile, the wave peak point is gradually shifted to the wave peak position, and the lag phenomenon of nonlinear wave force peak is weakened. At the same time, the method can effectively calculate the wave mechanical load of Lanjing in towing and operating conditions.
ISSN:0749-0208
1551-5036
DOI:10.2112/SI103-084.1