This work presents a nonlinear time-domain numerical study on the hydroelastic phenomena in regular and irregular head waves based on the Rankine panel method. Firstly, a numerical damping beach approach is applied to satisfy the radiation condition and the velocity potential is solved. Secondly, a three-dimensional nonlinear time-domain hydroelastic method is proposed, and the hydroelastic method is generalised to the irregular wave problem in which the influence from the various incident wave frequencies is considered by adopting time-domain convolution theory and memory function. Thirdly, segmented model tests of a 15,000-TEU container ship are performed. A testing system is designed and the measured results are analysed. Finally, load responses of the container ship in regular and irregular waves are predicted. From the comparison between experimental measurements and numerical results, it is confirmed that the present concept for dealing with nonlinear hydroelastic responses is reliable and accurate.


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    Title :

    Nonlinear time-domain hydroelastic analysis for a container ship in regular and irregular head waves by the Rankine panel method


    Contributors:

    Published in:

    Publication date :

    2019-08-18


    Size :

    15 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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