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Evaluation index system of navigational environment impact factors.

Evaluation index system of navigational environment impact factors.

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Figure 4. Probability of the natural occurrence variation in...
Figure 5. Variations in impact probabilities with navigational...
Figure 6. Accident cases and full sample impact probability distribution.
Evaluation index system of navigational environment impact factors.
+4 Research indicators.
Research on Uncertainty Evolution of Ship Collision Status Based on Navigation Environment
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  • Nov 2022
There is a need to study the evolutionary laws of the risks in the navigation environments of complex marine areas. This can promote shipping safety using an early-warning system. The present study determines shipping flows and meteorological conditions in a marine area on the basis of meteorological and automatic identification system (AIS) data....
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Context 1
... environment impact factors are usually divided into three categories: hydrometeorology factors, channel condition factors, and traffic factors. According to relevant studies [4,14,15], the established index system is shown in Table 1. ...

Citations

... Thus, flange and shaft can be connected by using chamfers as shown in Fig. 1a. Due to the frequent changes of winds, waves and currents and other geographical environment and navigational status of ships during sailing [1], the main shaft could be subjected to cyclic torsional and bending loads, and the structural inhomogeneity could also lead to the occurrence of elastic stress concentration effects. This main shaft with one notch for research purpose can be shown in Fig. 1b, T is the torque, D is diameter of cross section of smooth part of the specimen, d is diameter of cross section of notch part, h is the radius difference of cross section between smooth part and notch part, and ρ is curvature radius of the u-notch. ...
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