Abstract

The paper considers principles of creating methods for calculation of railway stations and polygons. It shows that methods in existing instructions are theoretically based, in the essence, on logical soundness. The authors propose to consider a system approach in original statement as a scientific basis. A system is considered as a generally natural form of construction of organized matter which allows steadily functioning in environment with disorganization. An important property of the system is adaptability when structural elements enter a dynamic interaction. The authors state that in calculation models an element is assigned (consciously or not) a certain functional role that often doesn’t match a real role. Accordance of these roles is assumed as a main criterion of correctness of a calculation method. But the functional role is determined not only by properties of the element but also by a character of its interaction with other elements. That is why you can’t calculate a capacity of structural elements separately. The authors show on specific examples that it is possible to calculate the capacity only in a comprehensive model of the whole system. As a result, it is necessary to consider simulation modeling as a main method for calculation of systems of railway transport.

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