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Maneuvering Motion Modeling of Unconventional Ship Based on Numerical Calculation
Received date: 2024-02-06
Revised date: 2024-03-25
Accepted date: 2024-04-03
Online published: 2024-05-08
To develop a maneuvering model for a typical unconventional ship, a decoupled modeling approach was adopted as the foundation to construct a numerical calculation based maneuvering model framework. To determine the hydrodynamic derivatives for the maneuvering model, static oblique towing test (OTT) and dynamic circular motion test (CMT) were performed by using numerical simulations to obtain the forces on ship body. To improve the accuracy of nonlinear hydrodynamic derivatives, a hybrid method combining cubic spline interpolation with least squares fitting was proposed. The zigzag and rotation tests of the scaled ship model verified the accuracy of the maneuvering model. The results show that the maneuvering motion model established by numerical calculation and the hybrid method has good accuracy and can be used for modeling unconventional ship maneuvering motion.
ZHENG Mao , DING Shigan , LAN Jiafen . Maneuvering Motion Modeling of Unconventional Ship Based on Numerical Calculation[J]. Journal of Shanghai Jiaotong University, 2025 , 59(12) : 1824 -1836 . DOI: 10.16183/j.cnki.jsjtu.2024.053
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