Abstract
The wave-induced motions of ships in maneuvering condition are numerically studied based on potential theory. The total disturbance potential is decomposed into a basic part and a perturbation part. The basic flow is evaluated based on the double-body model with a trailing vortex sheet. The perturbation flow is solved by using a time domain Rankine panel method to determine the hydrodynamic forces, and the wave-induced ship motions are then evaluated by an Adam–Moulton scheme. The solving process of the wave-induced motion is integrated with the maneuvering prediction by using a two–time scale model. Numerical tests are firstly carried out for a Series 60 ship, and the numerical results are compared with the experimental data to validate the numerical method for the basic flow. Then the wave-induced motions of the S-175 container ship in straight course and in turning condition are simulated; the numerical results are compared with the ITTC data and the experimental data, which show fairly good agreements.
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Acknowledgments
The authors would like to thank Dr. De-heng Deng of Shanghai Jiao Tong University for providing the data of the S-175 model test. This study was partially supported by the National Natural Science Foundation of China (Grant No. 51279106) and Lloyd’s Register Foundation (LRF) to which the authors are most grateful. LRF helps to protect life and property by supporting engineering-related education, public engagement and the application of research.
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Zhang, W., Zou, Z. Time domain simulations of the wave-induced motions of ships in maneuvering condition. J Mar Sci Technol 21, 154–166 (2016). https://doi.org/10.1007/s00773-015-0340-3
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DOI: https://doi.org/10.1007/s00773-015-0340-3