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4_2023_sen_3

Title of the article COMPUTER-BASED STRENGTH ANALYSIS OF TANK-CONTAINERS UNDER IMPACT
Authors

GEGEDESH Maryna G., Ph. D. in Eng., Assoc. Prof., Associate Professor of the Department “Technical Physics and Engineering Mechanics”, Belarusian State University of Transport, Gomel, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.

PETRACHKOU Syarhei A., Head of the Research Laboratory “Freight, Commercial Work and Tariffs”, Belarusian State University of Transport, Gomel, Republic of Belarus, This email address is being protected from spambots. You need JavaScript enabled to view it.">This email address is being protected from spambots. You need JavaScript enabled to view it.
In the section DYNAMICS, DURABILITY OF VEHICLES AND STRUCTURES
Year 2023
Issue 4(65)
Pages 25–30
Type of article RAR
Index UDK 629.463.3:621.642.2:004.94
DOI https://doi.org/10.46864/1995-0470-2023-4-65-25-30
Abstract The paper presents the strength analysis results for a tank-container designed for liquid cargo transportation by rail, automobile and water transport based on computer modeling. The most severe in terms of loads and extreme operation mode of tank-containers is chosen as the conditions for the computer experiment, implying an impact in the longitudinal direction when railway cars collide during their dismantling from the hill at marshalling stations. Calculations are performed using the static analysis module Static Structural of the ANSYS Workbench engineering software package for two loading options for a transport tank: a standard one, corresponding to GOST 33211-2014, and a refined loading option for the tank-container shell. Based on the numerical solution of the differential equations system for the liquid cargo movement, the analysis of which is performed using the finite volume method in the CFX module of the ANSYS Workbench engineering software package, the obtained values of hydrodynamic pressures in the tank are accepted as the initial data for the refined computer simulation. Conclusions are drawn on the influence of taking into account the distribution of hydrodynamic pressure inside the transport tank on the stress-strain state of the tank-container. The distributions of normal, equivalent von Mises stresses, as well as deformations for two loading schemes are obtained. Using the Fatigue Tool of the Static Structural static analysis module, the number of cycles that the structure can withstand is determined, taking into account the equivalent stresses concentration areas. The conclusions are formulated based on the computational results, and the recommendations are offered to improve transportation safety and ensure the safety of cargo using tank-containers.
Keywords tank-container, stress-strain state, strength, fatigue damage, hydrodynamic loading of the tank shell
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