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A Simulative Comparison of Ship Domains and Their Polygonal Approximations
Author(s) -
Rafał Szłapczynśki,
Joanna Szłapczyńska
Publication year - 2015
Publication title -
transnav the international journal on marine navigation and safety of sea transportation
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.253
H-Index - 5
eISSN - 2083-6481
pISSN - 2083-6473
DOI - 10.12716/1001.09.01.17
Subject(s) - overtaking , domain (mathematical analysis) , collision , collision avoidance , approximations of π , computer science , algorithm , head (geology) , simulation , mathematics , geometry , mathematical analysis , geology , engineering , civil engineering , computer security , geomorphology
The paper investigates the impact of a precise ship domain shape on the size of collision avoidancemanoeuvres. The considered collision avoidance manoeuvres include both course and speed alterations.Various ship domains are compared with their polygonal approximations, which vary in the number of pointsof a domain contour and placement of these points. The best of all considered approximations is determined inthe course of simulation experiments performed for head‐on, crossing and overtaking situations. The chosennumber and placement of contour points combine precision of domain approximation with reasonablecomputational time.

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