Abstract
Currently, the safety of rolling stock traffic cannot be assessed only by the technical condition of the car and track. The impact of loads arising during operation and transmitted from the car to parts and components of the bogie can be simulated using the specialized software package Femap. Modern development technologies make it possible to determine the influence of loads to assess strength using elasticity theory methods. When considering this process, it is possible to identify stressedstrained areas under the influence of loads. This procedure makes it possible to prevent the development of cracks in the mechanical part of the car and to simulate the impact of loads on components and parts during their redistribution. During operation, the car experiences not only vertical load, but also lateral, transverse and longitudinal forces that act when the train moves. This article discusses a 3D model of the KVZ-TsNII passenger trolley frame. The load is transferred to vertical and horizontal sliders, a hydraulic vibration damper, a bolster, a central cradle suspension, longitudinal, transverse and side beams. The Femap software package allows to simulate stress-strain areas that arise with normalized indicators and with increasing loads or pressure upon a given part during operation.
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