Experimental and modelling study on the response of mooring container ships in port under medium to long period waves Online publication date: Thu, 28-May-2020
by Zhu Feng; Geng Ying; Miao Hui
International Journal of Computer Applications in Technology (IJCAT), Vol. 62, No. 4, 2020
Abstract: For understanding the influence of medium to long period waves on the dynamic response of ships, the hydrodynamic analysis of three typical moored container ships under wave interaction is carried out based on potential flow theory. The calculated and experimental results comparison shows that the numerical calculation is more suitable for simulation of long-period wave, as the dynamic response of ship is larger, but more accurate. For the larger ship, the peak response period of the mooring system usually reaches 100 s because the mooring stiffness is relatively small. With extended wave period, the ship motion response increases almost linearly. The symmetrical mooring arrangement and the similar mooring stiffness can effectively reduce the inhomogeneity of mooring forces. In addition, the ship motion and mooring force response can reach a minimum value at a special angle between ship and wave.
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