Abstract
Simulation of the dynamic load of the tank container when transported as part of a combined train on a rail ferry is carried out. Mathematical models taking into account possible interactions of tank containers with the frame of flat cars are developed. Calculations are made for the tank container of 1CS type size placed on the 13-4012M flat car. It is taken into account that the transportation of the tank container is carried out on the “Geroi Shipki” type rail ferry by the Black Sea. It is found that the greatest acceleration acts on the tank container in case of displacement of the flat car relative to the deck and the tank container relative to the frame. The total value of acceleration is about 0.9g.The stability of the tank container when transported by rail ferry is investigated. Permissible roll angles of the rail ferry that ensure the stability of the tank container relative to the flat car frame are calculated.Computer simulation of the dynamic load of the tank container when transported by rail ferry is carried out. The calculation is made in the CosmosWorks software environment. The fields and numerical values of the accelerations acting on the tank container are determined. The developed models are verified by the F-criterion.The research will help to provide safety and to make recommendations on sea transportation of combined trains by rail ferries, as well as to design tank containers with improved technical-economic, strength and environmental characteristics.
Highlights
The development of foreign economic relations between Eurasian states contributes to the creation of combined transport systems
The following objectives are defined: – to carry out mathematical modeling of the dynamic load of tank containers when transported by rail ferry; – to examine the stability of tank containers relative to flat car frames when transported by rail ferry; – to carry out computer simulation of the dynamic load of tank containers when transported by rail ferry; – to verify the developed models of the dynamic load of tank containers when transported by rail ferry
To ensure the stability of the tank container relative to the flat car frame, the following conditions must be fulfilled: To study the dynamic load of tank containers when transported by rail ferry, computer simulation was performed using the finite element method implemented in the CosmosWorks software package (France) [18, 19]
Summary
The development of foreign economic relations between Eurasian states contributes to the creation of combined transport systems. It is important to note that the dynamic processes accompanying railway rolling stock, including containers (tank containers) during carriage by sea differ significantly from operating conditions on main tracks. This may cause the tipping of containers (tank containers) relative to the placement on the flat car and threaten the rail ferry safety. It is necessary to study the dynamic load of tank containers and to make recommendations for the safety of transportation by rail ferries. These studies will help to create tank containers with improved technical-economic, strength and environmental characteristics
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