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The basic feature of the sea ice platform Prirazlomnaya considered as an element of the transport system is its complex and heterogeneous structure, consisting of cargo handling equipment of various types, locations, operational restrictions and regulations, depending on the environment and the vessels served. Therefore, the traditional method of simulating common “weather windows” for the entire transport node is not applicable in this case. We present the alternative extended approach based on the solution of two interrelated problems: 1) information support with data on environmental parameters and 2) formalization of weather-oriented criteria for the ability of a particular vessel’s operation in a particular berthing facility. To solve the first problem, an original algorithm for dynamic modeling of weather conditions has been developed. It is a stochastic generator of virtual weather «scenarios» in the form of the samples of a multidimensional random process. The qualitative properties and quantitative characteristics of such process are identified according to actual observations. The internal logic of the realized weather generator, allowing simulation a record of 17 characteristics of meteorological, wind-wave and ice conditions with an arbitrary time step, is a synthesis of formal statistical modeling and physically-sound approaches. To solve the second problem, a specific algorithm for estimation the operational availability of each platform cargo terminal by natural conditions has been also developed. Its basic peculiarity is that the availability of each cargo terminal influenced by the values of al environmental parameters (wind speed, wind direction, wave height, ice data etc.) obtained as the output signal of the implemented stochastic weather generator. A final decision about the availability status of each terminal or platform handling equipment is made based on the formalized and verified rules and criteria.

vestnik gosudarstvennogo universiteta morskogo i rečnogo flota imeni admirala s. o. makarova/vestnik gosudarstvennogo universiteta morskogo i rečnogo flota imeni admirala s.o. makarova

MODELING OF CARGO OPERATION ABILITY ON PRIRAZLOMNAYA PLATFORM ACCORDING TO THE WEATHER CONDITIONS