Determination of the dynamic critical maneuvering area in an encounter between two vessels: Operation with negligible environmental disruption

Mateusz Gil; Jakub Montewka; Przemysław Krata; Tomasz Hinz; Spyros Hirdaris

doi:10.1016/j.oceaneng.2020.107709

Determination of the dynamic critical maneuvering area in an encounter between two vessels: Operation with negligible environmental disruption

Abstract

This paper introduces the concept of Collision Avoidance Dynamic Critical Area (CADCA) for onboard Decision Support Systems (DSS). The indicator proposed is derived via identification of a minimum required maneuvering zone in an encounter between two vessels. The CADCA model accounts for ship maneuvering dynamics and associated hydrodynamic actions emerging from different rudder angles and forward speed effects. The method presented is novel as it considers the variability of a critical area due to dynamic changes in operational parameters for both vessels. Results of the simulations carried out in negligible weather conditions confirm that computed zones may differ significantly in terms of shapes and limits. It is demonstrated that the size of the CADCA depends on the rudder angle, forward speed, as well as the dimensions of the vessels.

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Authors (5)

Mateusz Gil
Jakub Montewka prof. dr hab. inż.
- Aalto University
Przemysław Krata dr hab. inż.
- Gdynia Maritime University
Tomasz Hinz dr inż.
- Aalto University
Spyros Hirdaris

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Keywords

COLLISION AVOIDANCE DYNAMIC CRITICAL AREA (CADCA) EVASIVE MANEUVER MARITIME RISK AND SAFETY SHIP MANEUVERING AREA LAST-MINUTE MANEUVER (LMM) COLREGS

Details

Category:

Articles

Type:

artykuły w czasopismach

Published in:

OCEAN ENGINEERING no. 213,
ISSN: 0029-8018

Language:

English

Publication year:

2020

Bibliographic description:

Gil M., Montewka J., Krata P., Hinz T., Hirdaris S.: Determination of the dynamic critical maneuvering area in an encounter between two vessels: Operation with negligible environmental disruption// OCEAN ENGINEERING -Vol. 213, (2020), s.107709-

DOI: