MODELIRANJE BRODSKE RAVNOTEŽE I NJIHANJA NASTALOG UTJECAJEM MORSKIH VALOVA
MODELLING OF THE SHIP STABILITY AND SWINGING CAUSED BY THE SEA WAVES

Summary/Abstract: Weather conditions during the ship‘s voyage can cause various motions that try to disrupt its state of balance and stability. The characteristics of the ship have an important effect on its final swinging that determines how it comports in case of the sudden change in torque caused by shifting of the wind, sea, payload or the water intrusion. Over the past few decades the importance of reducing the boat swinging and minimalizing the loading during bad weather has become evident in the design of fast container ships and tankers of large dimensions. Such ship properties are important to assess at an early stage of the structure design because essential calculations could possibly eliminate or reduce boat swinging that ultimately affects passengers, cargo and construction elements of the ship itself. Therefore, knowledge about physical phenomena of dynamical boat swinging and the very nature of the sea wave‘s creation is necessary for the ultimate understanding of the ship balance. In this paper such relations are described with use of mathematical models.

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