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Mathematical Model for Calculation of Oscillations in the Main Bearing Frame of Railcar with Changing Stiffness and Physical Parameters

Authors: Mukhamedova, Ziyoda;

Mathematical Model for Calculation of Oscillations in the Main Bearing Frame of Railcar with Changing Stiffness and Physical Parameters

Abstract

В данной статье представлен алгоритм расчета для моделирования напряженно- деформированного состояния несущего каркаса рамы кузова аварийно-восстановительной автомотрисы; приведены результаты численного исследования по напряженно- деформированному состоянию несущего каркаса рамы кузова аварийно-восстановительной автомотрисы с учетом переменности сечения, массы, изгибной и продольной жесткости по её длине; дается обоснование выбора диагностических параметров для оценки динамической прочности, надежности и прогнозируемого ресурса работы несущего каркаса рамы кузова аварийно-восстановительной автомотрисы

This article covers the use of analytical technique of solutions for flexural and longitudinal oscillations of the bearing framework of a railcar body frame in the form of an elastic core of variable section with a variable weight, flexural and longitudinal rigidity. The calculation is performed for the modernization of the body frame of emergency and repair rail service car, taking into account the variability of section, mass, longitudinal and bending stiffness along the length to prolong the service life of their useful operation

Keywords

прочность, railcar, reliability, каркас рамы кузова, надежность, аналитико-численный метод, автомотриса, analytical-numerical method, main frame of the body, strength

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
2
Average
Top 10%
Average
gold