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The article is devoted to ice navigation with particular emphases on the operation of icebreaking that ensures efficiency and safety of ice transport services. The ice transport services are distinguished by a wide range of necessary operations, actions, maneuvers, the modes and dynamic working methods. It reserves a burning relevant a problem of assessment of ice performances in special operating conditions. In this work CAE modeling of the movement in continuous ices, ice cakes and small ice cakes of the multishaft shallow-draft icebreaker ship of the project 1191 is considered. The different combinations of its draft, a list and a trim are investigated. Qualitative features of influence based on the nature of interaction of the vessel with the ice environment are described. Comparative analysis of experimental data of ice loads on the hull and a propulsion, as well as the steering complex are made. Quantitative assessments of ship based on its total ice resistance are given.

Visualization of CAE-solutions of partial problems of ice navigation. Icebreaker sitting and propulsion ability