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ISSN 2083-6473
ISSN 2083-6481 (electronic version)
 

 

 

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Prof. Tomasz Neumann
 

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Gdynia Maritime University
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Features of an Ultra-large Container Ship Mathematical Model Adjustment Based on the Results of Sea Trials
1 National University “Odessa Maritime Academy”, Odessa, Ukraine
ABSTRACT: The research addresses the problem of an ultra-large container ship mathematical model adjustment based on sea trials. In order to verify the model’s adequacy, simulated data had to be compared to the trial report data, which was obtained in ballast condition with significant trim. In such circumstances, model coefficients cannot be calculated by known methods and have to be corrected as per trial data. It is proposed to determine translational motion coefficients first. To get optimal results, it was also proposed to divide the objective function into kinematic and dynamic components, with each component being assigned a weighting factor. A separate objective function component was assigned to the zig-zag maneuver, which includes the first and second overshoot angles.
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Citation note:
Pipchenko O.D., Tsymbal M., Shevchenko V.: Features of an Ultra-large Container Ship Mathematical Model Adjustment Based on the Results of Sea Trials. TransNav, the International Journal on Marine Navigation and Safety of Sea Transportation, Vol. 14, No. 1, doi:10.12716/1001.14.01.20, pp. 163-170, 2020

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