Θαλάσσιος κυματισμός και μοντέλα προσδιορισμού βέλτιστης διαδρομής πλοίου
Wave modeling and optimal routing models

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Keywords
Weather routing ; Optimal routing ; Βέλτιστη διαδρομή πλοίου ; Αλγόριθμος Dijkstra ; Ισόχρονη μέθοδος ; Three-Dimensional Modified Isochrone MethodAbstract
In the context of this dissertation, selected methods which are used in finding the optimal ship route are presented and specific examples are analyzed and through their study, it is showed the effect of them in different areas under the influence of different weather conditions emerges.
Finding the best ship route is an issue that concerns shipping more and more as the accounting findings of optimal ship routing are constantly upgraded and evolved by adding more parameters so that they can be as accurate as possible in order to find the best route and maximum fuel savings. It is a big issue for shipping with an impact on the economy since the goal of every merchant ship is the best time-fuel combination and this is supported through the methods presented.
Firstly, the Dijkstra algorithm is presented, the way in which it finds the shortest path and the points that it has advantages and disadvantages. Next, the isochrone method and the way of finding the optimal route including the state of the sea are presented. Finally, some practical ship navigation applications are mentioned, through which it is shown with the numerical data, the importance and the results obtained with the help of the three-dimensional Dijkstra algorithm and the three-dimensional modified isochrone method.